./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/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_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/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_ec01366b-4f32-41e1-adcd-c876ea3aee6b/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 5b4659b27a54f579598b48dab11e67b47aff28d030592fa757cae575afffc3b5 --- 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 02:08:59,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:08:59,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:08:59,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:08:59,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:08:59,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:08:59,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:08:59,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:08:59,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:08:59,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:08:59,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:08:59,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:08:59,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:08:59,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:08:59,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:08:59,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:08:59,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:08:59,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:08:59,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:08:59,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:08:59,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:08:59,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:08:59,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:08:59,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:08:59,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:08:59,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:08:59,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:08:59,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:08:59,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:08:59,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:08:59,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:08:59,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:08:59,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:08:59,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:08:59,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:08:59,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:08:59,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:08:59,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:08:59,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:08:59,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:08:59,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:08:59,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-22 02:08:59,987 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:08:59,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:08:59,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:08:59,989 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:08:59,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:08:59,990 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:08:59,990 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:08:59,990 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:08:59,991 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:08:59,991 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:08:59,992 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:08:59,992 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:08:59,993 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:08:59,993 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:08:59,993 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:08:59,993 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:08:59,993 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:08:59,994 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:08:59,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:08:59,995 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:08:59,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:08:59,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:08:59,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:08:59,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:08:59,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:08:59,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:08:59,996 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:08:59,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:08:59,997 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:08:59,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:08:59,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:08:59,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:08:59,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:08:59,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:08:59,999 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:08:59,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:08:59,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:08:59,999 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:09:00,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:09:00,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:09:00,000 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:09:00,000 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_ec01366b-4f32-41e1-adcd-c876ea3aee6b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b4659b27a54f579598b48dab11e67b47aff28d030592fa757cae575afffc3b5 [2022-11-22 02:09:00,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:09:00,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:09:00,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:09:00,336 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:09:00,336 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:09:00,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2022-11-22 02:09:03,480 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:09:03,816 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:09:03,817 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2022-11-22 02:09:03,839 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/data/3684eb354/d49a1b5ea93648a0bdc4b7bd28412a6d/FLAGd96209e14 [2022-11-22 02:09:03,858 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/data/3684eb354/d49a1b5ea93648a0bdc4b7bd28412a6d [2022-11-22 02:09:03,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:09:03,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:09:03,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:09:03,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:09:03,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:09:03,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:09:03" (1/1) ... [2022-11-22 02:09:03,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7602825e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:03, skipping insertion in model container [2022-11-22 02:09:03,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:09:03" (1/1) ... [2022-11-22 02:09:03,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:09:03,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:09:04,201 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_ec01366b-4f32-41e1-adcd-c876ea3aee6b/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i[24132,24145] [2022-11-22 02:09:04,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:09:04,227 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:09:04,300 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_ec01366b-4f32-41e1-adcd-c876ea3aee6b/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i[24132,24145] [2022-11-22 02:09:04,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:09:04,335 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:09:04,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:04 WrapperNode [2022-11-22 02:09:04,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:09:04,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:09:04,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:09:04,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:09:04,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:04" (1/1) ... [2022-11-22 02:09:04,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:04" (1/1) ... [2022-11-22 02:09:04,405 INFO L138 Inliner]: procedures = 122, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2022-11-22 02:09:04,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:09:04,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:09:04,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:09:04,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:09:04,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:04" (1/1) ... [2022-11-22 02:09:04,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:04" (1/1) ... [2022-11-22 02:09:04,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:04" (1/1) ... [2022-11-22 02:09:04,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:04" (1/1) ... [2022-11-22 02:09:04,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:04" (1/1) ... [2022-11-22 02:09:04,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:04" (1/1) ... [2022-11-22 02:09:04,459 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:04" (1/1) ... [2022-11-22 02:09:04,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:04" (1/1) ... [2022-11-22 02:09:04,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:09:04,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:09:04,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:09:04,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:09:04,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:04" (1/1) ... [2022-11-22 02:09:04,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:09:04,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:09:04,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:09:04,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:09:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-11-22 02:09:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-11-22 02:09:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:09:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:09:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:09:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:09:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:09:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:09:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:09:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:09:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:09:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:09:04,699 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:09:04,701 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:09:04,757 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-11-22 02:09:04,934 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:09:04,966 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:09:04,967 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-22 02:09:04,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:09:04 BoogieIcfgContainer [2022-11-22 02:09:04,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:09:04,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:09:04,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:09:04,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:09:04,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:09:03" (1/3) ... [2022-11-22 02:09:04,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c976606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:09:04, skipping insertion in model container [2022-11-22 02:09:04,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:04" (2/3) ... [2022-11-22 02:09:04,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c976606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:09:04, skipping insertion in model container [2022-11-22 02:09:04,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:09:04" (3/3) ... [2022-11-22 02:09:04,978 INFO L112 eAbstractionObserver]: Analyzing ICFG sll_circular_traversal-1.i [2022-11-22 02:09:05,021 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:09:05,021 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:09:05,062 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:09:05,068 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;@4e1eb45f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:09:05,069 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:09:05,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 20 states have internal predecessors, (28), 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 02:09:05,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 02:09:05,082 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:09:05,082 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:09:05,083 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:09:05,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:09:05,087 INFO L85 PathProgramCache]: Analyzing trace with hash -342196433, now seen corresponding path program 1 times [2022-11-22 02:09:05,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:09:05,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598227047] [2022-11-22 02:09:05,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:05,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:09:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:05,388 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 02:09:05,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:09:05,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598227047] [2022-11-22 02:09:05,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598227047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:09:05,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:09:05,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:09:05,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413820705] [2022-11-22 02:09:05,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:09:05,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:09:05,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:09:05,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:09:05,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:09:05,456 INFO L87 Difference]: Start difference. First operand has 22 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 20 states have internal predecessors, (28), 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 02:09:05,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:09:05,527 INFO L93 Difference]: Finished difference Result 38 states and 53 transitions. [2022-11-22 02:09:05,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:09:05,529 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 02:09:05,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:09:05,536 INFO L225 Difference]: With dead ends: 38 [2022-11-22 02:09:05,537 INFO L226 Difference]: Without dead ends: 18 [2022-11-22 02:09:05,540 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 02:09:05,544 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 4 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:09:05,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 39 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:09:05,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-22 02:09:05,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2022-11-22 02:09:05,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 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 02:09:05,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-11-22 02:09:05,577 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 7 [2022-11-22 02:09:05,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:09:05,578 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-22 02:09:05,578 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 02:09:05,578 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-22 02:09:05,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 02:09:05,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:09:05,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:09:05,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:09:05,581 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:09:05,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:09:05,581 INFO L85 PathProgramCache]: Analyzing trace with hash 272535787, now seen corresponding path program 1 times [2022-11-22 02:09:05,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:09:05,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703321580] [2022-11-22 02:09:05,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:05,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:09:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:05,817 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 02:09:05,818 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:09:05,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703321580] [2022-11-22 02:09:05,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703321580] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:09:05,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152169274] [2022-11-22 02:09:05,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:05,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:09:05,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:09:05,827 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:09:05,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 02:09:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:05,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 02:09:05,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:09:06,044 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 02:09:06,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:09:06,081 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 02:09:06,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152169274] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:09:06,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [328817434] [2022-11-22 02:09:06,118 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-22 02:09:06,119 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:09:06,124 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:09:06,129 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:09:06,132 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:09:06,259 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-22 02:09:06,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-22 02:09:06,320 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-22 02:09:06,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-22 02:09:06,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:06,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:06,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:06,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:06,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:06,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:06,455 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 31 treesize of output 37 [2022-11-22 02:09:06,567 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 02:09:06,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 02:09:06,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-22 02:09:06,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:06,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:06,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-11-22 02:09:06,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:06,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-22 02:09:06,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:06,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-22 02:09:06,868 INFO L321 Elim1Store]: treesize reduction 48, result has 37.7 percent of original size [2022-11-22 02:09:06,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 46 [2022-11-22 02:09:07,012 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-22 02:09:07,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2022-11-22 02:09:07,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:07,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:07,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:07,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:07,299 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-22 02:09:07,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 390 treesize of output 373 [2022-11-22 02:09:07,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:07,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:07,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:07,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:07,364 INFO L321 Elim1Store]: treesize reduction 42, result has 28.8 percent of original size [2022-11-22 02:09:07,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 388 treesize of output 382 [2022-11-22 02:09:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:07,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:07,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:07,427 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-22 02:09:07,428 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 397 treesize of output 384 [2022-11-22 02:09:07,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:07,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:07,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:07,482 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-11-22 02:09:07,482 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 445 treesize of output 432 [2022-11-22 02:09:07,800 INFO L321 Elim1Store]: treesize reduction 170, result has 15.0 percent of original size [2022-11-22 02:09:07,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 431 treesize of output 437 [2022-11-22 02:09:07,965 INFO L321 Elim1Store]: treesize reduction 226, result has 16.9 percent of original size [2022-11-22 02:09:07,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 436 treesize of output 457 [2022-11-22 02:09:08,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:08,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:08,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:08,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-22 02:09:08,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:08,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:08,282 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 02:09:08,291 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 02:09:08,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:08,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:08,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:08,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:08,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:08,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-22 02:09:08,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:09:08,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:09:08,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:09:08,498 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 02:09:08,512 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 02:09:08,527 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:09:09,617 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '162#(and (= |ULTIMATE.start_main_~data_new~0#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= |ULTIMATE.start_sll_circular_create_#in~data#1| 1) (= |ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (not (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (<= 1 |ULTIMATE.start_sll_circular_create_~data#1|) (<= 0 |ULTIMATE.start_sll_circular_create_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (<= 1 |ULTIMATE.start_sll_circular_create_#in~data#1|) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (<= |ULTIMATE.start_sll_circular_create_~len#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= |ULTIMATE.start_sll_circular_create_~data#1| 1) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= 5 |ULTIMATE.start_sll_circular_create_#in~len#1|) (<= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0) (<= |ULTIMATE.start_sll_circular_create_#in~len#1| 5) (<= 0 |#NULL.offset|) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |#NULL.base| 0))' at error location [2022-11-22 02:09:09,617 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 02:09:09,617 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:09:09,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-11-22 02:09:09,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369725560] [2022-11-22 02:09:09,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 02:09:09,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:09:09,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:09:09,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:09:09,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-22 02:09:09,621 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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 02:09:09,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:09:09,657 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2022-11-22 02:09:09,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:09:09,658 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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 10 [2022-11-22 02:09:09,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:09:09,659 INFO L225 Difference]: With dead ends: 34 [2022-11-22 02:09:09,659 INFO L226 Difference]: Without dead ends: 25 [2022-11-22 02:09:09,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-22 02:09:09,660 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 16 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:09:09,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 36 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:09:09,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-22 02:09:09,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-22 02:09:09,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 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 02:09:09,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-11-22 02:09:09,666 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 10 [2022-11-22 02:09:09,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:09:09,666 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-11-22 02:09:09,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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 02:09:09,666 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-22 02:09:09,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-22 02:09:09,667 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:09:09,667 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:09:09,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-22 02:09:09,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-22 02:09:09,873 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:09:09,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:09:09,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1478446127, now seen corresponding path program 2 times [2022-11-22 02:09:09,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:09:09,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754578127] [2022-11-22 02:09:09,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:09,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:09:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:10,700 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 02:09:10,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:09:10,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754578127] [2022-11-22 02:09:10,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754578127] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:09:10,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732800233] [2022-11-22 02:09:10,704 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 02:09:10,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:09:10,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:09:10,710 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:09:10,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 02:09:10,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-22 02:09:10,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:09:10,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-22 02:09:10,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:09:10,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 02:09:11,025 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 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-22 02:09:11,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-22 02:09:11,097 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 02:09:11,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:09:11,316 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 02:09:11,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732800233] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:09:11,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [75264691] [2022-11-22 02:09:11,320 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-22 02:09:11,320 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:09:11,320 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:09:11,321 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:09:11,321 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:09:11,373 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-22 02:09:11,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-22 02:09:11,387 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 02:09:11,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:11,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:11,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:11,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:11,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:11,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:11,457 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 31 treesize of output 37 [2022-11-22 02:09:11,524 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-22 02:09:11,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2022-11-22 02:09:11,585 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 02:09:11,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 02:09:11,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:11,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-22 02:09:11,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:11,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-22 02:09:11,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:11,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:11,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-11-22 02:09:11,759 INFO L321 Elim1Store]: treesize reduction 48, result has 37.7 percent of original size [2022-11-22 02:09:11,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 46 [2022-11-22 02:09:11,840 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-22 02:09:11,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2022-11-22 02:09:12,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:12,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:12,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:12,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:12,066 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-22 02:09:12,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 390 treesize of output 373 [2022-11-22 02:09:12,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:12,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:12,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:12,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:12,121 INFO L321 Elim1Store]: treesize reduction 42, result has 28.8 percent of original size [2022-11-22 02:09:12,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 388 treesize of output 382 [2022-11-22 02:09:12,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:12,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:12,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:12,177 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-22 02:09:12,177 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 397 treesize of output 384 [2022-11-22 02:09:12,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:12,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:12,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:12,229 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-11-22 02:09:12,230 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 445 treesize of output 432 [2022-11-22 02:09:12,532 INFO L321 Elim1Store]: treesize reduction 218, result has 19.9 percent of original size [2022-11-22 02:09:12,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 436 treesize of output 465 [2022-11-22 02:09:12,575 INFO L321 Elim1Store]: treesize reduction 88, result has 1.1 percent of original size [2022-11-22 02:09:12,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 431 treesize of output 437 [2022-11-22 02:09:12,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:12,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-22 02:09:12,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:12,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:12,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:12,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:12,821 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 02:09:12,833 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 02:09:12,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:12,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:12,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:12,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:12,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:12,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-22 02:09:12,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:09:12,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:09:12,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:09:13,039 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 02:09:13,051 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 02:09:13,065 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:09:14,302 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '374#(and (= |ULTIMATE.start_main_~data_new~0#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= |ULTIMATE.start_sll_circular_create_#in~data#1| 1) (= |ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (not (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (<= 1 |ULTIMATE.start_sll_circular_create_~data#1|) (<= 0 |ULTIMATE.start_sll_circular_create_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (<= 1 |ULTIMATE.start_sll_circular_create_#in~data#1|) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (<= |ULTIMATE.start_sll_circular_create_~len#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= |ULTIMATE.start_sll_circular_create_~data#1| 1) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= 5 |ULTIMATE.start_sll_circular_create_#in~len#1|) (<= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0) (<= |ULTIMATE.start_sll_circular_create_#in~len#1| 5) (<= 0 |#NULL.offset|) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |#NULL.base| 0))' at error location [2022-11-22 02:09:14,302 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 02:09:14,302 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:09:14,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 18 [2022-11-22 02:09:14,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598719832] [2022-11-22 02:09:14,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 02:09:14,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-22 02:09:14,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:09:14,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-22 02:09:14,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=552, Unknown=0, NotChecked=0, Total=650 [2022-11-22 02:09:14,304 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 19 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 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 02:09:14,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:09:14,724 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2022-11-22 02:09:14,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 02:09:14,727 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 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 19 [2022-11-22 02:09:14,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:09:14,728 INFO L225 Difference]: With dead ends: 33 [2022-11-22 02:09:14,728 INFO L226 Difference]: Without dead ends: 31 [2022-11-22 02:09:14,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=219, Invalid=903, Unknown=0, NotChecked=0, Total=1122 [2022-11-22 02:09:14,730 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 93 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:09:14,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 53 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:09:14,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-22 02:09:14,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2022-11-22 02:09:14,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 states have internal predecessors, (30), 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 02:09:14,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-11-22 02:09:14,737 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 19 [2022-11-22 02:09:14,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:09:14,737 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-11-22 02:09:14,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 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 02:09:14,737 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-11-22 02:09:14,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-22 02:09:14,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:09:14,738 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:09:14,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 02:09:14,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:09:14,945 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:09:14,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:09:14,945 INFO L85 PathProgramCache]: Analyzing trace with hash -500115451, now seen corresponding path program 1 times [2022-11-22 02:09:14,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:09:14,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011697195] [2022-11-22 02:09:14,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:14,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:09:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:16,497 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 02:09:16,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:09:16,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011697195] [2022-11-22 02:09:16,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011697195] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:09:16,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233194548] [2022-11-22 02:09:16,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:16,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:09:16,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:09:16,503 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:09:16,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 02:09:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:16,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 79 conjunts are in the unsatisfiable core [2022-11-22 02:09:16,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:09:16,654 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 02:09:16,712 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 02:09:16,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-22 02:09:16,780 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 02:09:16,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 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 [2022-11-22 02:09:16,819 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-22 02:09:16,819 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 11 treesize of output 11 [2022-11-22 02:09:16,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 02:09:17,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:17,003 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 16 treesize of output 17 [2022-11-22 02:09:17,017 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-11-22 02:09:17,018 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 1 case distinctions, treesize of input 18 treesize of output 28 [2022-11-22 02:09:17,025 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 02:09:17,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:17,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-22 02:09:17,103 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-22 02:09:17,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 34 [2022-11-22 02:09:17,118 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 02:09:17,119 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 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-22 02:09:17,128 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 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-22 02:09:17,352 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:09:17,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 54 [2022-11-22 02:09:17,385 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-22 02:09:17,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 70 [2022-11-22 02:09:17,399 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:09:17,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 49 [2022-11-22 02:09:17,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-22 02:09:17,566 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 02:09:17,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:09:18,646 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 4 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|)) (.cse4 (+ |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| 4))) (let ((.cse0 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse24 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse24 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse24 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|)))) (.cse1 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse23 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse23 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse23 .cse4)))))))) (.cse6 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|)))) (.cse8 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)))))) (.cse9 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))))) (.cse10 (= |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))) (and .cse0 .cse1 (or (and (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse3 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse3 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse3 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))))) .cse0 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))))) .cse1 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse5 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse5 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse5 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) .cse6 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse7 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse7 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse7 .cse4))))))) (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4))))) .cse8 .cse9) .cse10) (or (and .cse0 .cse9) .cse10) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) .cse10) (or (and .cse1 .cse8) .cse10) .cse6 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse11 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse11 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse11 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))))) .cse8 .cse9 (or (let ((.cse12 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))))) (.cse13 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse22 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse22 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse22 .cse4)))))))) (.cse15 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)))))) (.cse16 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse21 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse21 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse21 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|)))) (.cse19 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|))))) (and .cse12 .cse13 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse14 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse14 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse14 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))))) .cse15 (or (and .cse13 .cse15) .cse10) (or (and .cse12 .cse16) .cse10) (or (and .cse12 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (let ((.cse17 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse17 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse17 .cse4))))) .cse13 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4))) .cse15 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (let ((.cse18 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse18 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse18 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))) .cse16 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) .cse19 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (let ((.cse20 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse20 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse20 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))))) .cse10) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) .cse10) .cse16 .cse19)) (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))))) is different from false [2022-11-22 02:09:20,663 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (+ |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| 4))) (let ((.cse0 (= |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0)) (.cse16 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse23 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse23 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse23 .cse3)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|)))) (.cse20 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3)))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|)))) (.cse1 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse22 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse22 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse22 .cse3)))))))) (.cse2 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)))))) (.cse17 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3)))))))) (and (or .cse0 (and .cse1 .cse2)) (or .cse0 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))) (or (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0) (let ((.cse5 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse14 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse14 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse14 .cse3)))))))) (.cse6 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3)))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|)))) (.cse7 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)))))) (.cse4 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))))) (.cse8 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse13 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse13 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse13 .cse3)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|))))) (and .cse4 .cse5 (or .cse0 (and .cse4 .cse5 .cse6 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3))) .cse7 .cse8 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3)))) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (let ((.cse9 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse9 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse9 .cse3))))) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (let ((.cse10 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse10 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse10 .cse3)) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3)))) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (let ((.cse11 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse11 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse11 .cse3)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))))) (or .cse0 (and .cse5 .cse7)) (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse12 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse12 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse12 .cse3)) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))))) .cse6 .cse7 .cse8 (or .cse0 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))) (or (and .cse4 .cse8) .cse0)))) (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse15 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse15 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse15 .cse3)) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))))) (or (and .cse16 .cse17) .cse0) (or (and (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3)))))) (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse18 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse18 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse18 .cse3)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse19 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse19 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse19 .cse3)) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))))) (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3)))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) .cse16 .cse20 .cse1 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3))))) .cse2 .cse17 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse21 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse21 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse21 .cse3)))))))) .cse0) .cse16 .cse20 .cse1 .cse2 .cse17))) is different from false [2022-11-22 02:09:21,090 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:09:21,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 29 [2022-11-22 02:09:21,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:21,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 36 treesize of output 24 [2022-11-22 02:09:21,101 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 7 treesize of output 3 [2022-11-22 02:09:21,104 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 7 treesize of output 3 [2022-11-22 02:09:21,119 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,119 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-22 02:09:21,126 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,127 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-22 02:09:21,133 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,133 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-22 02:09:21,140 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,140 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-22 02:09:21,147 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,147 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-22 02:09:21,154 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,155 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-22 02:09:21,161 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,161 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-22 02:09:21,167 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,168 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-22 02:09:21,175 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,175 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-22 02:09:21,182 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,183 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-22 02:09:21,190 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,190 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-22 02:09:21,199 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,200 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-22 02:09:21,209 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,209 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-22 02:09:21,218 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,218 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-22 02:09:21,225 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,226 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-22 02:09:21,232 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,232 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-22 02:09:21,240 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,241 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-22 02:09:21,248 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,249 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-22 02:09:21,256 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,257 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-22 02:09:21,268 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:09:21,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 45 [2022-11-22 02:09:21,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:21,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:21,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 105 [2022-11-22 02:09:21,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:21,285 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 101 treesize of output 89 [2022-11-22 02:09:21,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:21,295 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 47 treesize of output 41 [2022-11-22 02:09:21,333 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,334 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-22 02:09:21,346 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-22 02:09:21,346 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-22 02:09:21,623 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 10 not checked. [2022-11-22 02:09:21,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233194548] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:09:21,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [320606389] [2022-11-22 02:09:21,628 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-22 02:09:21,628 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:09:21,628 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:09:21,629 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:09:21,629 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:09:21,686 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-22 02:09:21,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-22 02:09:21,697 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 02:09:21,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:21,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,738 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 31 treesize of output 37 [2022-11-22 02:09:21,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:21,818 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 02:09:21,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 02:09:21,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-22 02:09:21,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-11-22 02:09:21,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-22 02:09:21,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-22 02:09:22,016 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-22 02:09:22,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2022-11-22 02:09:22,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2022-11-22 02:09:22,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:22,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:22,198 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-22 02:09:22,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 392 treesize of output 375 [2022-11-22 02:09:22,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:22,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:22,247 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-22 02:09:22,248 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 399 treesize of output 386 [2022-11-22 02:09:22,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:22,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:22,301 INFO L321 Elim1Store]: treesize reduction 48, result has 32.4 percent of original size [2022-11-22 02:09:22,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 410 treesize of output 404 [2022-11-22 02:09:22,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:22,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:22,350 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-22 02:09:22,350 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 419 treesize of output 406 [2022-11-22 02:09:22,623 INFO L321 Elim1Store]: treesize reduction 218, result has 19.9 percent of original size [2022-11-22 02:09:22,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 450 treesize of output 479 [2022-11-22 02:09:22,665 INFO L321 Elim1Store]: treesize reduction 88, result has 1.1 percent of original size [2022-11-22 02:09:22,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 445 treesize of output 451 [2022-11-22 02:09:22,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:22,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:22,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-22 02:09:22,880 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 02:09:22,887 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 02:09:22,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:22,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:22,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-22 02:09:22,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:09:23,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:09:23,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:09:23,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:23,047 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 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-22 02:09:23,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:23,059 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 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-22 02:09:23,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2022-11-22 02:09:23,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:23,253 INFO L321 Elim1Store]: treesize reduction 72, result has 37.4 percent of original size [2022-11-22 02:09:23,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 175 treesize of output 164 [2022-11-22 02:09:23,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:23,320 INFO L321 Elim1Store]: treesize reduction 48, result has 42.2 percent of original size [2022-11-22 02:09:23,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 135 [2022-11-22 02:09:23,370 INFO L321 Elim1Store]: treesize reduction 45, result has 16.7 percent of original size [2022-11-22 02:09:23,371 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 2 case distinctions, treesize of input 28 treesize of output 23 [2022-11-22 02:09:23,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2022-11-22 02:09:23,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:09:23,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:09:23,605 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 02:09:23,612 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 02:09:23,626 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:09:24,768 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '633#(and (<= 0 |#NULL.base|) (<= 1 |ULTIMATE.start_main_~data_init~0#1|) (<= |ULTIMATE.start_sll_circular_create_#in~data#1| 1) (<= |ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0) (<= |ULTIMATE.start_sll_circular_create_#res#1.offset| 0) (<= |ULTIMATE.start_main_~data_init~0#1| 1) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (<= |ULTIMATE.start_main_~head~1#1.offset| 0) (<= 0 |ULTIMATE.start_sll_circular_create_~last~0#1.offset|) (<= 1 |ULTIMATE.start_sll_circular_create_~data#1|) (<= 0 |ULTIMATE.start_sll_circular_create_~head~0#1.offset|) (<= 1 |ULTIMATE.start_sll_circular_create_#in~data#1|) (<= 0 |ULTIMATE.start_main_~head~1#1.offset|) (<= |ULTIMATE.start_sll_circular_create_~len#1| 1) (<= 1 |ULTIMATE.start_main_~data_new~0#1|) (<= |ULTIMATE.start_sll_circular_create_~data#1| 1) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |#NULL.base| 0) (<= 5 |ULTIMATE.start_sll_circular_create_#in~len#1|) (<= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0) (<= |ULTIMATE.start_sll_circular_create_#in~len#1| 5) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= 0 |#StackHeapBarrier|))' at error location [2022-11-22 02:09:24,768 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 02:09:24,768 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:09:24,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 28 [2022-11-22 02:09:24,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37765638] [2022-11-22 02:09:24,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 02:09:24,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-22 02:09:24,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:09:24,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-22 02:09:24,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1011, Unknown=2, NotChecked=130, Total=1260 [2022-11-22 02:09:24,770 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 29 states, 29 states have (on average 1.8620689655172413) internal successors, (54), 28 states have internal predecessors, (54), 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 02:09:27,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:09:27,216 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2022-11-22 02:09:27,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-22 02:09:27,218 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.8620689655172413) internal successors, (54), 28 states have internal predecessors, (54), 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 22 [2022-11-22 02:09:27,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:09:27,221 INFO L225 Difference]: With dead ends: 43 [2022-11-22 02:09:27,222 INFO L226 Difference]: Without dead ends: 41 [2022-11-22 02:09:27,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 36 SyntacticMatches, 7 SemanticMatches, 45 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=310, Invalid=1676, Unknown=2, NotChecked=174, Total=2162 [2022-11-22 02:09:27,227 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 170 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 66 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:09:27,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 48 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 214 Invalid, 0 Unknown, 66 Unchecked, 0.3s Time] [2022-11-22 02:09:27,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-22 02:09:27,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 30. [2022-11-22 02:09:27,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 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 02:09:27,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2022-11-22 02:09:27,246 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 22 [2022-11-22 02:09:27,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:09:27,247 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2022-11-22 02:09:27,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.8620689655172413) internal successors, (54), 28 states have internal predecessors, (54), 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 02:09:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-11-22 02:09:27,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-22 02:09:27,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:09:27,250 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:09:27,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-22 02:09:27,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:09:27,456 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:09:27,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:09:27,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1674904836, now seen corresponding path program 1 times [2022-11-22 02:09:27,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:09:27,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144352445] [2022-11-22 02:09:27,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:27,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:09:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:27,910 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 02:09:27,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:09:27,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144352445] [2022-11-22 02:09:27,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144352445] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:09:27,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346327915] [2022-11-22 02:09:27,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:27,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:09:27,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:09:27,913 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:09:27,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 02:09:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:28,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-22 02:09:28,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:09:28,066 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 02:09:28,086 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 02:09:28,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 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 [2022-11-22 02:09:28,118 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 02:09:28,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 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 [2022-11-22 02:09:28,137 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 02:09:28,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-22 02:09:28,166 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-22 02:09:28,167 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 18 [2022-11-22 02:09:28,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:28,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-22 02:09:28,204 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 0 case distinctions, treesize of input 15 treesize of output 17 [2022-11-22 02:09:28,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-11-22 02:09:28,233 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 02:09:28,233 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:09:28,243 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_533 (Array Int Int))) (not (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_533) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|)))) is different from false [2022-11-22 02:09:28,260 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:09:28,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 30 [2022-11-22 02:09:28,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2022-11-22 02:09:28,269 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 6 treesize of output 4 [2022-11-22 02:09:28,439 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 4 not checked. [2022-11-22 02:09:28,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346327915] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:09:28,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1267733462] [2022-11-22 02:09:28,442 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-11-22 02:09:28,442 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:09:28,442 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:09:28,442 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:09:28,443 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:09:28,479 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-22 02:09:28,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-22 02:09:28,518 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-22 02:09:28,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-22 02:09:28,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:28,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:28,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:28,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-22 02:09:28,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:28,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:28,573 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 31 treesize of output 37 [2022-11-22 02:09:28,646 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-22 02:09:28,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2022-11-22 02:09:28,710 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 02:09:28,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 02:09:28,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:28,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-22 02:09:28,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:28,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-22 02:09:28,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:28,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:28,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-11-22 02:09:28,913 INFO L321 Elim1Store]: treesize reduction 92, result has 21.4 percent of original size [2022-11-22 02:09:28,913 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 313 treesize of output 322 [2022-11-22 02:09:29,013 INFO L321 Elim1Store]: treesize reduction 128, result has 22.4 percent of original size [2022-11-22 02:09:29,013 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 316 treesize of output 336 [2022-11-22 02:09:29,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:29,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:29,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:29,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:29,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:29,531 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-22 02:09:29,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 451 treesize of output 420 [2022-11-22 02:09:29,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:29,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:29,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:29,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:29,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:29,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:29,591 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-22 02:09:29,591 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 6 case distinctions, treesize of input 449 treesize of output 429 [2022-11-22 02:09:29,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:29,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:29,643 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-22 02:09:29,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 458 treesize of output 441 [2022-11-22 02:09:29,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:29,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:29,683 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-22 02:09:29,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 470 treesize of output 453 [2022-11-22 02:09:29,785 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 02:09:29,792 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 02:09:29,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:29,822 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 02:09:29,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:29,837 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 16 treesize of output 17 [2022-11-22 02:09:29,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:29,846 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 02:09:29,865 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 02:09:29,871 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 02:09:29,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:09:29,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:09:29,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:09:29,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:29,955 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 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-22 02:09:29,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:29,967 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 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-22 02:09:29,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2022-11-22 02:09:30,028 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:09:31,646 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '911#(and (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= |ULTIMATE.start_sll_circular_create_#in~data#1| 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|)) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (= 2 (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~data_new~0#1|)) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (<= 1 |ULTIMATE.start_sll_circular_create_~data#1|) (<= 0 |ULTIMATE.start_sll_circular_create_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (<= 1 |ULTIMATE.start_sll_circular_create_#in~data#1|) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (<= |ULTIMATE.start_sll_circular_create_~len#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= |ULTIMATE.start_sll_circular_create_~data#1| 1) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= 5 |ULTIMATE.start_sll_circular_create_#in~len#1|) (<= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 1) (<= |ULTIMATE.start_sll_circular_create_#in~len#1| 5) (<= 0 |#NULL.offset|) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |#NULL.base| 0))' at error location [2022-11-22 02:09:31,646 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 02:09:31,646 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:09:31,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 15 [2022-11-22 02:09:31,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767081348] [2022-11-22 02:09:31,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 02:09:31,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-22 02:09:31,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:09:31,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-22 02:09:31,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=483, Unknown=1, NotChecked=44, Total=600 [2022-11-22 02:09:31,648 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 15 states have internal predecessors, (39), 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 02:09:31,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:09:31,931 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2022-11-22 02:09:31,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 02:09:31,932 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 15 states have internal predecessors, (39), 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 23 [2022-11-22 02:09:31,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:09:31,933 INFO L225 Difference]: With dead ends: 40 [2022-11-22 02:09:31,933 INFO L226 Difference]: Without dead ends: 34 [2022-11-22 02:09:31,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 53 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=146, Invalid=727, Unknown=1, NotChecked=56, Total=930 [2022-11-22 02:09:31,934 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 71 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 22 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:09:31,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 58 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 95 Invalid, 0 Unknown, 22 Unchecked, 0.1s Time] [2022-11-22 02:09:31,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-22 02:09:31,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. [2022-11-22 02:09:31,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 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 02:09:31,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2022-11-22 02:09:31,944 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 23 [2022-11-22 02:09:31,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:09:31,944 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2022-11-22 02:09:31,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 15 states have internal predecessors, (39), 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 02:09:31,945 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-11-22 02:09:31,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-22 02:09:31,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:09:31,946 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-22 02:09:31,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-22 02:09:32,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:09:32,151 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:09:32,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:09:32,152 INFO L85 PathProgramCache]: Analyzing trace with hash 303084655, now seen corresponding path program 2 times [2022-11-22 02:09:32,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:09:32,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70427558] [2022-11-22 02:09:32,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:32,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:09:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:34,350 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 02:09:34,350 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:09:34,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70427558] [2022-11-22 02:09:34,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70427558] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:09:34,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134923018] [2022-11-22 02:09:34,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 02:09:34,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:09:34,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:09:34,355 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:09:34,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec01366b-4f32-41e1-adcd-c876ea3aee6b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 02:09:35,241 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-22 02:09:35,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:09:35,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 109 conjunts are in the unsatisfiable core [2022-11-22 02:09:35,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:09:35,260 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 02:09:35,330 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 02:09:35,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 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 [2022-11-22 02:09:35,381 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 02:09:35,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 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 [2022-11-22 02:09:35,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 02:09:35,530 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-22 02:09:35,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-11-22 02:09:35,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:35,626 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 16 treesize of output 17 [2022-11-22 02:09:35,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:35,640 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 16 treesize of output 17 [2022-11-22 02:09:35,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-22 02:09:35,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:35,852 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-22 02:09:35,852 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 1 case distinctions, treesize of input 44 treesize of output 43 [2022-11-22 02:09:35,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:35,867 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-22 02:09:35,868 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 1 case distinctions, treesize of input 28 treesize of output 31 [2022-11-22 02:09:35,887 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-22 02:09:35,888 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 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-22 02:09:35,899 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 02:09:36,118 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-22 02:09:36,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 115 treesize of output 80 [2022-11-22 02:09:36,160 INFO L321 Elim1Store]: treesize reduction 48, result has 28.4 percent of original size [2022-11-22 02:09:36,161 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 63 treesize of output 72 [2022-11-22 02:09:36,182 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-22 02:09:36,182 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 2 case distinctions, treesize of input 26 treesize of output 28 [2022-11-22 02:09:36,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:36,765 INFO L321 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2022-11-22 02:09:36,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 197 treesize of output 151 [2022-11-22 02:09:36,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:36,782 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-22 02:09:36,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 204 treesize of output 215 [2022-11-22 02:09:36,871 INFO L321 Elim1Store]: treesize reduction 54, result has 64.9 percent of original size [2022-11-22 02:09:36,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 190 treesize of output 270 [2022-11-22 02:09:39,343 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:09:44,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:44,033 INFO L321 Elim1Store]: treesize reduction 37, result has 24.5 percent of original size [2022-11-22 02:09:44,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 122 treesize of output 71 [2022-11-22 02:09:44,060 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-22 02:09:44,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 19 [2022-11-22 02:09:44,064 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 18 treesize of output 20 [2022-11-22 02:09:44,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-22 02:09:44,215 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 02:09:44,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:10:04,470 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_722 (Array Int Int)) (v_ArrVal_720 Int) (v_ArrVal_724 (Array Int Int)) (v_ArrVal_717 (Array Int Int)) (v_ArrVal_719 Int) (v_ArrVal_707 Int) (v_ArrVal_709 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_712 Int)) (let ((.cse5 (let ((.cse8 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) 4 v_ArrVal_712)))) (store .cse8 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse8 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)))) (.cse2 (let ((.cse7 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) 4 v_ArrVal_707)))) (store .cse7 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse7 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0))))) (let ((.cse3 (select .cse2 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) (.cse6 (select .cse5 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (let ((.cse1 (select .cse6 0)) (.cse4 (select .cse3 0))) (let ((.cse0 (select (select (store .cse5 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse6 4 v_ArrVal_719)) .cse1) .cse4))) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| .cse0) (= (select (select (store (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_709) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_717) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_722) .cse1 v_ArrVal_724) .cse0) (+ (select (select (store .cse2 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse3 4 v_ArrVal_720)) .cse1) .cse4) 4)) |c_ULTIMATE.start_main_~data_init~0#1|))))))) (forall ((v_ArrVal_722 (Array Int Int)) (v_ArrVal_720 Int) (v_ArrVal_724 (Array Int Int)) (v_ArrVal_717 (Array Int Int)) (v_ArrVal_719 Int) (v_ArrVal_707 Int) (v_ArrVal_709 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_712 Int)) (let ((.cse11 (let ((.cse17 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) 4 v_ArrVal_712)))) (store .cse17 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse17 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)))) (.cse14 (let ((.cse16 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) 4 v_ArrVal_707)))) (store .cse16 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse16 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0))))) (let ((.cse15 (select .cse14 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) (.cse12 (select .cse11 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (let ((.cse10 (select .cse12 0)) (.cse13 (select .cse15 0))) (let ((.cse9 (select (select (store .cse14 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse15 4 v_ArrVal_720)) .cse10) .cse13))) (or (= .cse9 0) (= (select (select (store (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_709) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_717) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_722) .cse10 v_ArrVal_724) (select (select (store .cse11 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse12 4 v_ArrVal_719)) .cse10) .cse13)) (+ .cse9 4)) |c_ULTIMATE.start_main_~data_init~0#1|)))))))) is different from false [2022-11-22 02:10:05,184 INFO L321 Elim1Store]: treesize reduction 2493, result has 9.4 percent of original size [2022-11-22 02:10:05,185 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 2 new quantified variables, introduced 6 case distinctions, treesize of input 487403 treesize of output 486138 [2022-11-22 02:10:05,514 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:05,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 602034 treesize of output 544096 [2022-11-22 02:10:06,529 INFO L321 Elim1Store]: treesize reduction 329, result has 31.6 percent of original size [2022-11-22 02:10:06,534 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 2 new quantified variables, introduced 6 case distinctions, treesize of input 17709478 treesize of output 17676649 [2022-11-22 02:21:31,276 WARN L233 SmtUtils]: Spent 11.41m on a formula simplification. DAG size of input: 2511 DAG size of output: 2499 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-22 02:21:32,547 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:21:32,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 352 treesize of output 354 [2022-11-22 02:22:08,025 WARN L233 SmtUtils]: Spent 35.47s on a formula simplification that was a NOOP. DAG size: 2507 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-22 02:22:09,198 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 6 treesize of output 4 [2022-11-22 02:22:10,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:22:10,171 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:22:10,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 88 treesize of output 98 [2022-11-22 02:22:12,108 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:22:12,109 INFO L350 Elim1Store]: Elim1 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 276 treesize of output 306 [2022-11-22 02:22:14,165 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 25 treesize of output 21 [2022-11-22 02:22:15,466 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 25 treesize of output 21 [2022-11-22 02:22:16,023 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:22:16,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 72 treesize of output 96 [2022-11-22 02:22:18,012 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:22:18,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 193 treesize of output 239