./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 6b4ec56b 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_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/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_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9 --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-6b4ec56 [2022-11-20 21:11:30,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:11:30,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:11:30,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:11:30,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:11:30,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:11:30,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:11:30,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:11:30,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:11:30,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:11:30,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:11:30,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:11:30,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:11:30,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:11:30,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:11:30,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:11:30,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:11:30,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:11:30,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:11:30,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:11:30,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:11:30,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:11:30,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:11:30,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:11:30,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:11:30,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:11:30,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:11:30,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:11:30,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:11:30,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:11:30,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:11:30,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:11:30,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:11:30,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:11:30,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:11:30,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:11:30,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:11:30,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:11:30,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:11:30,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:11:30,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:11:30,458 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 21:11:30,484 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:11:30,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:11:30,485 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:11:30,485 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:11:30,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:11:30,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:11:30,486 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:11:30,486 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:11:30,487 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:11:30,487 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:11:30,487 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:11:30,487 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:11:30,488 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:11:30,488 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:11:30,488 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:11:30,488 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:11:30,489 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:11:30,489 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:11:30,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:11:30,490 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 21:11:30,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:11:30,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 21:11:30,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:11:30,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:11:30,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:11:30,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:11:30,492 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 21:11:30,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:11:30,492 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:11:30,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:11:30,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:11:30,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:11:30,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:11:30,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:11:30,494 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:11:30,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:11:30,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:11:30,498 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:11:30,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:11:30,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:11:30,501 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:11:30,502 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_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b4659b27a54f579598b48dab11e67b47aff28d030592fa757cae575afffc3b5 [2022-11-20 21:11:30,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:11:30,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:11:30,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:11:30,818 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:11:30,819 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:11:30,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2022-11-20 21:11:34,028 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:11:34,297 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:11:34,298 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2022-11-20 21:11:34,312 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/data/f521f10dd/88d9a681ffe04c50aa1fbedead0d0f12/FLAGd5371b6bc [2022-11-20 21:11:34,334 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/data/f521f10dd/88d9a681ffe04c50aa1fbedead0d0f12 [2022-11-20 21:11:34,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:11:34,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:11:34,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:11:34,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:11:34,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:11:34,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:11:34" (1/1) ... [2022-11-20 21:11:34,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207c3d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:11:34, skipping insertion in model container [2022-11-20 21:11:34,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:11:34" (1/1) ... [2022-11-20 21:11:34,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:11:34,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:11:34,782 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_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i[24132,24145] [2022-11-20 21:11:34,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:11:34,800 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:11:34,864 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_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i[24132,24145] [2022-11-20 21:11:34,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:11:34,899 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:11:34,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:11:34 WrapperNode [2022-11-20 21:11:34,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:11:34,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:11:34,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:11:34,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:11:34,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:11:34" (1/1) ... [2022-11-20 21:11:34,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:11:34" (1/1) ... [2022-11-20 21:11:34,973 INFO L138 Inliner]: procedures = 122, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2022-11-20 21:11:34,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:11:34,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:11:34,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:11:34,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:11:34,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:11:34" (1/1) ... [2022-11-20 21:11:34,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:11:34" (1/1) ... [2022-11-20 21:11:34,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:11:34" (1/1) ... [2022-11-20 21:11:34,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:11:34" (1/1) ... [2022-11-20 21:11:35,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:11:34" (1/1) ... [2022-11-20 21:11:35,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:11:34" (1/1) ... [2022-11-20 21:11:35,022 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:11:34" (1/1) ... [2022-11-20 21:11:35,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:11:34" (1/1) ... [2022-11-20 21:11:35,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:11:35,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:11:35,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:11:35,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:11:35,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:11:34" (1/1) ... [2022-11-20 21:11:35,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:11:35,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:11:35,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:11:35,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:11:35,104 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-11-20 21:11:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-11-20 21:11:35,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 21:11:35,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 21:11:35,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 21:11:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:11:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 21:11:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 21:11:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:11:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 21:11:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:11:35,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:11:35,242 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:11:35,243 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:11:35,280 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-11-20 21:11:35,452 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:11:35,489 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:11:35,489 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 21:11:35,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:11:35 BoogieIcfgContainer [2022-11-20 21:11:35,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:11:35,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:11:35,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:11:35,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:11:35,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:11:34" (1/3) ... [2022-11-20 21:11:35,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541c2980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:11:35, skipping insertion in model container [2022-11-20 21:11:35,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:11:34" (2/3) ... [2022-11-20 21:11:35,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541c2980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:11:35, skipping insertion in model container [2022-11-20 21:11:35,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:11:35" (3/3) ... [2022-11-20 21:11:35,501 INFO L112 eAbstractionObserver]: Analyzing ICFG sll_circular_traversal-1.i [2022-11-20 21:11:35,517 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:11:35,518 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 21:11:35,560 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:11:35,566 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;@2f2db08a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:11:35,566 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 21:11:35,571 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) [2022-11-20 21:11:35,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 21:11:35,578 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:11:35,579 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:11:35,580 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:11:35,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:11:35,585 INFO L85 PathProgramCache]: Analyzing trace with hash -342196433, now seen corresponding path program 1 times [2022-11-20 21:11:35,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:11:35,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143748590] [2022-11-20 21:11:35,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:11:35,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:11:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:11:35,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:11:35,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:11:35,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143748590] [2022-11-20 21:11:35,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143748590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:11:35,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:11:35,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:11:35,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636651403] [2022-11-20 21:11:35,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:11:35,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:11:35,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:11:35,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:11:35,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:11:35,934 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) [2022-11-20 21:11:36,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:11:36,016 INFO L93 Difference]: Finished difference Result 38 states and 53 transitions. [2022-11-20 21:11:36,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:11:36,018 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 [2022-11-20 21:11:36,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:11:36,025 INFO L225 Difference]: With dead ends: 38 [2022-11-20 21:11:36,026 INFO L226 Difference]: Without dead ends: 18 [2022-11-20 21:11:36,028 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 [2022-11-20 21:11:36,034 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:11:36,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 39 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:11:36,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-20 21:11:36,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2022-11-20 21:11:36,074 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) [2022-11-20 21:11:36,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-11-20 21:11:36,077 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 7 [2022-11-20 21:11:36,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:11:36,078 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-20 21:11:36,079 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) [2022-11-20 21:11:36,079 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-20 21:11:36,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 21:11:36,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:11:36,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:11:36,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 21:11:36,081 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:11:36,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:11:36,083 INFO L85 PathProgramCache]: Analyzing trace with hash 272535787, now seen corresponding path program 1 times [2022-11-20 21:11:36,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:11:36,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384353160] [2022-11-20 21:11:36,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:11:36,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:11:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:11:36,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:11:36,319 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:11:36,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384353160] [2022-11-20 21:11:36,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384353160] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:11:36,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204629031] [2022-11-20 21:11:36,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:11:36,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:11:36,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:11:36,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:11:36,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 21:11:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:11:36,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 21:11:36,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:11:36,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:11:36,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:11:36,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:11:36,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204629031] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:11:36,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [918127187] [2022-11-20 21:11:36,620 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-20 21:11:36,621 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:11:36,624 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:11:36,630 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:11:36,630 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:11:36,755 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-20 21:11:36,756 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 [2022-11-20 21:11:36,813 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-20 21:11:36,814 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 [2022-11-20 21:11:36,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:36,864 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 [2022-11-20 21:11:36,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:36,881 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 [2022-11-20 21:11:36,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:36,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:36,909 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 [2022-11-20 21:11:37,001 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 21:11:37,001 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 [2022-11-20 21:11:37,029 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 [2022-11-20 21:11:37,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:37,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:37,131 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 [2022-11-20 21:11:37,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:37,163 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 [2022-11-20 21:11:37,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:37,192 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 [2022-11-20 21:11:37,316 INFO L321 Elim1Store]: treesize reduction 48, result has 37.7 percent of original size [2022-11-20 21:11:37,317 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 [2022-11-20 21:11:37,501 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-20 21:11:37,501 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 [2022-11-20 21:11:37,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:37,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:37,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:37,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:37,767 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-20 21:11:37,768 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 [2022-11-20 21:11:37,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:37,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:37,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:37,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:37,836 INFO L321 Elim1Store]: treesize reduction 42, result has 28.8 percent of original size [2022-11-20 21:11:37,837 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 [2022-11-20 21:11:37,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:37,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:37,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:37,901 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:11:37,902 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 [2022-11-20 21:11:37,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:37,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:37,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:37,957 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-11-20 21:11:37,957 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 [2022-11-20 21:11:38,281 INFO L321 Elim1Store]: treesize reduction 170, result has 15.0 percent of original size [2022-11-20 21:11:38,281 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 [2022-11-20 21:11:38,438 INFO L321 Elim1Store]: treesize reduction 226, result has 16.9 percent of original size [2022-11-20 21:11:38,438 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 [2022-11-20 21:11:38,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:38,650 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 [2022-11-20 21:11:38,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:38,702 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 [2022-11-20 21:11:38,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:38,713 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 [2022-11-20 21:11:38,761 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 [2022-11-20 21:11:38,771 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 [2022-11-20 21:11:38,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:38,822 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 [2022-11-20 21:11:38,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:38,834 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 [2022-11-20 21:11:38,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:38,859 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 [2022-11-20 21:11:38,919 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 [2022-11-20 21:11:38,930 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 [2022-11-20 21:11:38,941 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 [2022-11-20 21:11:39,017 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 [2022-11-20 21:11:39,033 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 [2022-11-20 21:11:39,049 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:11:40,098 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 [2022-11-20 21:11:40,099 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 21:11:40,099 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:11:40,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-11-20 21:11:40,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370892038] [2022-11-20 21:11:40,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 21:11:40,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 21:11:40,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:11:40,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 21:11:40,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-20 21:11:40,102 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) [2022-11-20 21:11:40,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:11:40,155 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2022-11-20 21:11:40,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:11:40,156 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 [2022-11-20 21:11:40,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:11:40,157 INFO L225 Difference]: With dead ends: 34 [2022-11-20 21:11:40,157 INFO L226 Difference]: Without dead ends: 25 [2022-11-20 21:11:40,157 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 [2022-11-20 21:11:40,158 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 [2022-11-20 21:11:40,159 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] [2022-11-20 21:11:40,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-20 21:11:40,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-20 21:11:40,163 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) [2022-11-20 21:11:40,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-11-20 21:11:40,164 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 10 [2022-11-20 21:11:40,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:11:40,164 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-11-20 21:11:40,164 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) [2022-11-20 21:11:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-20 21:11:40,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 21:11:40,165 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:11:40,166 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:11:40,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 21:11:40,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:11:40,372 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:11:40,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:11:40,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1478446127, now seen corresponding path program 2 times [2022-11-20 21:11:40,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:11:40,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593979619] [2022-11-20 21:11:40,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:11:40,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:11:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:11:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 21:11:41,296 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:11:41,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593979619] [2022-11-20 21:11:41,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593979619] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:11:41,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510531561] [2022-11-20 21:11:41,300 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 21:11:41,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:11:41,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:11:41,301 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:11:41,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 21:11:41,448 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-20 21:11:41,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 21:11:41,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-20 21:11:41,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:11:41,592 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 [2022-11-20 21:11:41,628 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 [2022-11-20 21:11:41,663 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 [2022-11-20 21:11:41,682 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 21:11:41,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:11:41,920 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 21:11:41,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510531561] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:11:41,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1501449350] [2022-11-20 21:11:41,923 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-20 21:11:41,923 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:11:41,923 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:11:41,923 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:11:41,924 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:11:41,967 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-20 21:11:41,968 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 [2022-11-20 21:11:41,980 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 [2022-11-20 21:11:42,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:42,005 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 [2022-11-20 21:11:42,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:42,016 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 [2022-11-20 21:11:42,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:42,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:42,032 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 [2022-11-20 21:11:42,095 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-20 21:11:42,095 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 [2022-11-20 21:11:42,162 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 21:11:42,163 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 [2022-11-20 21:11:42,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:42,212 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 [2022-11-20 21:11:42,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:42,224 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 [2022-11-20 21:11:42,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:42,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:42,250 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 [2022-11-20 21:11:42,336 INFO L321 Elim1Store]: treesize reduction 48, result has 37.7 percent of original size [2022-11-20 21:11:42,337 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 [2022-11-20 21:11:42,424 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-20 21:11:42,424 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 [2022-11-20 21:11:42,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:42,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:42,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:42,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:42,629 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-20 21:11:42,629 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 [2022-11-20 21:11:42,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:42,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:42,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:42,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:42,690 INFO L321 Elim1Store]: treesize reduction 42, result has 28.8 percent of original size [2022-11-20 21:11:42,690 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 [2022-11-20 21:11:42,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:42,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:42,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:42,747 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:11:42,747 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 [2022-11-20 21:11:42,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:42,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:42,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:42,795 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-11-20 21:11:42,796 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 [2022-11-20 21:11:43,125 INFO L321 Elim1Store]: treesize reduction 218, result has 19.9 percent of original size [2022-11-20 21:11:43,126 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 [2022-11-20 21:11:43,170 INFO L321 Elim1Store]: treesize reduction 88, result has 1.1 percent of original size [2022-11-20 21:11:43,170 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 [2022-11-20 21:11:43,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:43,345 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 [2022-11-20 21:11:43,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:43,355 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 [2022-11-20 21:11:43,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:43,370 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 [2022-11-20 21:11:43,399 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 [2022-11-20 21:11:43,411 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 [2022-11-20 21:11:43,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:43,446 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 [2022-11-20 21:11:43,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:43,461 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 22 treesize of output 7 [2022-11-20 21:11:43,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:43,476 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 [2022-11-20 21:11:43,532 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 [2022-11-20 21:11:43,546 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 [2022-11-20 21:11:43,556 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 [2022-11-20 21:11:43,625 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 [2022-11-20 21:11:43,635 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 [2022-11-20 21:11:43,654 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:11:44,864 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 [2022-11-20 21:11:44,864 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 21:11:44,864 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:11:44,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 18 [2022-11-20 21:11:44,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983459659] [2022-11-20 21:11:44,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 21:11:44,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-20 21:11:44,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:11:44,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-20 21:11:44,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=552, Unknown=0, NotChecked=0, Total=650 [2022-11-20 21:11:44,866 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) [2022-11-20 21:11:45,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:11:45,258 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2022-11-20 21:11:45,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 21:11:45,260 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 [2022-11-20 21:11:45,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:11:45,261 INFO L225 Difference]: With dead ends: 33 [2022-11-20 21:11:45,261 INFO L226 Difference]: Without dead ends: 31 [2022-11-20 21:11:45,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=219, Invalid=903, Unknown=0, NotChecked=0, Total=1122 [2022-11-20 21:11:45,262 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 93 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 107 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, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:11:45,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 53 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 107 Invalid, 0 Unknown, 7 Unchecked, 0.1s Time] [2022-11-20 21:11:45,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-20 21:11:45,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2022-11-20 21:11:45,267 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) [2022-11-20 21:11:45,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-11-20 21:11:45,268 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 19 [2022-11-20 21:11:45,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:11:45,269 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-11-20 21:11:45,269 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) [2022-11-20 21:11:45,269 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-11-20 21:11:45,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 21:11:45,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:11:45,270 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:11:45,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 21:11:45,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-20 21:11:45,471 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:11:45,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:11:45,471 INFO L85 PathProgramCache]: Analyzing trace with hash -500115451, now seen corresponding path program 1 times [2022-11-20 21:11:45,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:11:45,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544488462] [2022-11-20 21:11:45,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:11:45,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:11:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:11:47,060 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 21:11:47,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:11:47,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544488462] [2022-11-20 21:11:47,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544488462] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:11:47,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261581130] [2022-11-20 21:11:47,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:11:47,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:11:47,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:11:47,070 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:11:47,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 21:11:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:11:47,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 79 conjunts are in the unsatisfiable core [2022-11-20 21:11:47,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:11:47,225 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 [2022-11-20 21:11:47,284 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 21:11:47,284 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 [2022-11-20 21:11:47,347 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:11:47,347 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 [2022-11-20 21:11:47,386 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 21:11:47,386 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 [2022-11-20 21:11:47,433 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 [2022-11-20 21:11:47,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:47,559 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 [2022-11-20 21:11:47,576 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-11-20 21:11:47,577 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 [2022-11-20 21:11:47,585 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 [2022-11-20 21:11:47,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:47,598 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 [2022-11-20 21:11:47,669 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-20 21:11:47,669 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 [2022-11-20 21:11:47,685 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 21:11:47,685 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 [2022-11-20 21:11:47,694 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 [2022-11-20 21:11:47,925 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:11:47,925 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 [2022-11-20 21:11:47,958 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-20 21:11:47,959 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 [2022-11-20 21:11:47,972 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:11:47,972 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 [2022-11-20 21:11:48,121 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 [2022-11-20 21:11:48,150 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 21:11:48,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:11:49,169 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 [2022-11-20 21:11:51,204 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 [2022-11-20 21:11:51,647 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:11:51,648 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 [2022-11-20 21:11:51,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:51,654 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 [2022-11-20 21:11:51,658 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 [2022-11-20 21:11:51,665 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 [2022-11-20 21:11:51,685 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,685 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 [2022-11-20 21:11:51,693 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,693 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 [2022-11-20 21:11:51,699 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,699 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 [2022-11-20 21:11:51,706 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,706 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 [2022-11-20 21:11:51,713 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,713 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 [2022-11-20 21:11:51,720 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,721 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 [2022-11-20 21:11:51,727 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,727 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 [2022-11-20 21:11:51,734 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,734 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 [2022-11-20 21:11:51,741 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,741 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 [2022-11-20 21:11:51,748 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,748 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 [2022-11-20 21:11:51,756 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,757 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 [2022-11-20 21:11:51,763 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,763 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 [2022-11-20 21:11:51,772 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,772 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 [2022-11-20 21:11:51,780 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,781 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 [2022-11-20 21:11:51,787 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,787 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 [2022-11-20 21:11:51,793 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,793 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 [2022-11-20 21:11:51,801 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,801 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 [2022-11-20 21:11:51,808 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,809 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 [2022-11-20 21:11:51,815 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,816 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 [2022-11-20 21:11:51,827 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:11:51,827 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 [2022-11-20 21:11:51,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:51,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:51,834 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 [2022-11-20 21:11:51,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:51,841 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 [2022-11-20 21:11:51,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:51,849 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 [2022-11-20 21:11:51,884 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,885 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 [2022-11-20 21:11:51,892 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:11:51,892 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 [2022-11-20 21:11:52,154 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 10 not checked. [2022-11-20 21:11:52,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261581130] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:11:52,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [134787564] [2022-11-20 21:11:52,159 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-20 21:11:52,159 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:11:52,160 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:11:52,160 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:11:52,161 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:11:52,214 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-20 21:11:52,215 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 [2022-11-20 21:11:52,226 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 [2022-11-20 21:11:52,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:52,250 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 [2022-11-20 21:11:52,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:52,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:52,269 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 [2022-11-20 21:11:52,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:52,281 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 [2022-11-20 21:11:52,350 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 21:11:52,351 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 [2022-11-20 21:11:52,372 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 [2022-11-20 21:11:52,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:52,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:52,421 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 [2022-11-20 21:11:52,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:52,440 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 [2022-11-20 21:11:52,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:52,453 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 [2022-11-20 21:11:52,547 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-20 21:11:52,547 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 [2022-11-20 21:11:52,572 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 [2022-11-20 21:11:52,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:52,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:52,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:52,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:52,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:52,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:52,759 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-20 21:11:52,759 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 [2022-11-20 21:11:52,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:52,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:52,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:52,807 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 21:11:52,808 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 [2022-11-20 21:11:52,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:52,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:52,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:52,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:52,864 INFO L321 Elim1Store]: treesize reduction 48, result has 32.4 percent of original size [2022-11-20 21:11:52,864 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 [2022-11-20 21:11:52,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:52,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:52,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:52,914 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-20 21:11:52,915 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 [2022-11-20 21:11:53,255 INFO L321 Elim1Store]: treesize reduction 218, result has 19.9 percent of original size [2022-11-20 21:11:53,256 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 [2022-11-20 21:11:53,299 INFO L321 Elim1Store]: treesize reduction 88, result has 1.1 percent of original size [2022-11-20 21:11:53,300 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 [2022-11-20 21:11:53,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:53,483 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 [2022-11-20 21:11:53,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:53,497 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 [2022-11-20 21:11:53,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:53,510 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 [2022-11-20 21:11:53,536 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 [2022-11-20 21:11:53,543 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 [2022-11-20 21:11:53,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:53,577 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 [2022-11-20 21:11:53,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:53,591 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 [2022-11-20 21:11:53,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:53,606 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 [2022-11-20 21:11:53,639 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 [2022-11-20 21:11:53,652 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 [2022-11-20 21:11:53,664 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 [2022-11-20 21:11:53,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:53,698 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 [2022-11-20 21:11:53,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:53,717 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 [2022-11-20 21:11:53,737 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 [2022-11-20 21:11:53,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:53,830 INFO L321 Elim1Store]: treesize reduction 72, result has 37.4 percent of original size [2022-11-20 21:11:53,831 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 [2022-11-20 21:11:53,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:53,905 INFO L321 Elim1Store]: treesize reduction 48, result has 42.2 percent of original size [2022-11-20 21:11:53,905 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 [2022-11-20 21:11:53,938 INFO L321 Elim1Store]: treesize reduction 45, result has 16.7 percent of original size [2022-11-20 21:11:53,938 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 [2022-11-20 21:11:54,099 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 [2022-11-20 21:11:54,108 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 [2022-11-20 21:11:54,116 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 [2022-11-20 21:11:54,205 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 [2022-11-20 21:11:54,214 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 [2022-11-20 21:11:54,228 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:11:55,398 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 [2022-11-20 21:11:55,398 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 21:11:55,398 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:11:55,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 28 [2022-11-20 21:11:55,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42687854] [2022-11-20 21:11:55,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 21:11:55,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-20 21:11:55,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:11:55,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-20 21:11:55,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1011, Unknown=2, NotChecked=130, Total=1260 [2022-11-20 21:11:55,401 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) [2022-11-20 21:11:57,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:11:57,305 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2022-11-20 21:11:57,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 21:11:57,310 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 [2022-11-20 21:11:57,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:11:57,311 INFO L225 Difference]: With dead ends: 41 [2022-11-20 21:11:57,311 INFO L226 Difference]: Without dead ends: 39 [2022-11-20 21:11:57,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 36 SyntacticMatches, 7 SemanticMatches, 41 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=217, Invalid=1429, Unknown=2, NotChecked=158, Total=1806 [2022-11-20 21:11:57,314 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 36 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 75 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 21:11:57,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 59 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 169 Invalid, 0 Unknown, 75 Unchecked, 0.2s Time] [2022-11-20 21:11:57,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-20 21:11:57,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 30. [2022-11-20 21:11:57,321 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) [2022-11-20 21:11:57,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2022-11-20 21:11:57,322 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 22 [2022-11-20 21:11:57,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:11:57,322 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2022-11-20 21:11:57,322 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) [2022-11-20 21:11:57,322 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-11-20 21:11:57,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 21:11:57,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:11:57,325 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:11:57,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 21:11:57,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:11:57,538 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:11:57,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:11:57,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1674904836, now seen corresponding path program 1 times [2022-11-20 21:11:57,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:11:57,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366522221] [2022-11-20 21:11:57,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:11:57,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:11:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:11:58,089 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 21:11:58,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:11:58,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366522221] [2022-11-20 21:11:58,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366522221] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:11:58,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249912040] [2022-11-20 21:11:58,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:11:58,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:11:58,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:11:58,091 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:11:58,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 21:11:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:11:58,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-20 21:11:58,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:11:58,243 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 [2022-11-20 21:11:58,262 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:11:58,263 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 [2022-11-20 21:11:58,285 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:11:58,285 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 [2022-11-20 21:11:58,307 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 21:11:58,308 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 [2022-11-20 21:11:58,334 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-20 21:11:58,335 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 [2022-11-20 21:11:58,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:58,353 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 [2022-11-20 21:11:58,369 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 [2022-11-20 21:11:58,399 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 [2022-11-20 21:11:58,402 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 21:11:58,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:11:58,439 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:11:58,439 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 [2022-11-20 21:11:58,442 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 [2022-11-20 21:11:58,445 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 [2022-11-20 21:11:58,604 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 21:11:58,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249912040] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:11:58,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [46658100] [2022-11-20 21:11:58,607 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-11-20 21:11:58,607 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:11:58,607 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:11:58,607 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:11:58,607 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:11:58,643 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-20 21:11:58,643 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 [2022-11-20 21:11:58,680 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-20 21:11:58,681 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 [2022-11-20 21:11:58,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:58,705 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 [2022-11-20 21:11:58,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:58,714 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 [2022-11-20 21:11:58,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:58,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:58,733 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 [2022-11-20 21:11:58,788 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-20 21:11:58,789 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 [2022-11-20 21:11:58,853 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 21:11:58,853 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 [2022-11-20 21:11:58,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:58,892 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 [2022-11-20 21:11:58,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:58,903 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 [2022-11-20 21:11:58,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:58,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:58,926 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 [2022-11-20 21:11:59,048 INFO L321 Elim1Store]: treesize reduction 92, result has 21.4 percent of original size [2022-11-20 21:11:59,049 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 [2022-11-20 21:11:59,150 INFO L321 Elim1Store]: treesize reduction 128, result has 22.4 percent of original size [2022-11-20 21:11:59,150 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 [2022-11-20 21:11:59,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:59,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:59,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:59,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:59,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:59,649 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-20 21:11:59,649 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 [2022-11-20 21:11:59,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:59,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:59,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:59,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:59,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:59,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:59,699 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-20 21:11:59,699 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 [2022-11-20 21:11:59,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:59,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:59,739 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-20 21:11:59,740 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 [2022-11-20 21:11:59,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:59,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:11:59,775 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-20 21:11:59,776 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 [2022-11-20 21:11:59,871 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 [2022-11-20 21:11:59,878 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 [2022-11-20 21:11:59,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:59,895 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 [2022-11-20 21:11:59,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:59,909 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 [2022-11-20 21:11:59,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:11:59,917 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 [2022-11-20 21:11:59,935 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 [2022-11-20 21:11:59,940 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 [2022-11-20 21:11:59,961 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 [2022-11-20 21:11:59,968 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 [2022-11-20 21:11:59,979 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 [2022-11-20 21:12:00,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:12:00,019 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 [2022-11-20 21:12:00,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:12:00,032 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 [2022-11-20 21:12:00,042 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 [2022-11-20 21:12:00,092 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:12:01,771 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '900#(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 [2022-11-20 21:12:01,771 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 21:12:01,772 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:12:01,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 15 [2022-11-20 21:12:01,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615185247] [2022-11-20 21:12:01,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 21:12:01,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-20 21:12:01,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:12:01,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-20 21:12:01,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=524, Unknown=3, NotChecked=0, Total=600 [2022-11-20 21:12:01,773 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) [2022-11-20 21:12:02,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:12:02,003 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2022-11-20 21:12:02,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 21:12:02,004 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 [2022-11-20 21:12:02,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:12:02,007 INFO L225 Difference]: With dead ends: 40 [2022-11-20 21:12:02,007 INFO L226 Difference]: Without dead ends: 34 [2022-11-20 21:12:02,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 53 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=145, Invalid=782, Unknown=3, NotChecked=0, Total=930 [2022-11-20 21:12:02,010 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 54 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 14 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:12:02,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 62 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 14 Unchecked, 0.1s Time] [2022-11-20 21:12:02,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-20 21:12:02,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. [2022-11-20 21:12:02,026 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) [2022-11-20 21:12:02,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2022-11-20 21:12:02,027 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 23 [2022-11-20 21:12:02,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:12:02,028 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2022-11-20 21:12:02,029 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) [2022-11-20 21:12:02,029 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-11-20 21:12:02,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 21:12:02,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:12:02,031 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 21:12:02,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 21:12:02,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:12:02,237 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:12:02,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:12:02,237 INFO L85 PathProgramCache]: Analyzing trace with hash 303084655, now seen corresponding path program 2 times [2022-11-20 21:12:02,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:12:02,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385972353] [2022-11-20 21:12:02,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:12:02,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:12:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:12:04,274 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 21:12:04,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:12:04,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385972353] [2022-11-20 21:12:04,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385972353] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:12:04,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382744344] [2022-11-20 21:12:04,274 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 21:12:04,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:12:04,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:12:04,275 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:12:04,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d044c83-b1c8-4c0d-9fa0-1ec251b92908/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 21:12:04,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-20 21:12:04,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 21:12:04,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 109 conjunts are in the unsatisfiable core [2022-11-20 21:12:04,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:12:04,952 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 [2022-11-20 21:12:05,025 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:12:05,026 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 [2022-11-20 21:12:05,078 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 21:12:05,079 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 [2022-11-20 21:12:05,163 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 [2022-11-20 21:12:05,235 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-20 21:12:05,235 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 [2022-11-20 21:12:05,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:12:05,332 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 [2022-11-20 21:12:05,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:12:05,341 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 [2022-11-20 21:12:05,346 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 [2022-11-20 21:12:05,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:12:05,542 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-20 21:12:05,543 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 [2022-11-20 21:12:05,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:12:05,557 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-20 21:12:05,558 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 [2022-11-20 21:12:05,576 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 21:12:05,577 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 [2022-11-20 21:12:05,587 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 [2022-11-20 21:12:05,762 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-20 21:12:05,762 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 [2022-11-20 21:12:05,791 INFO L321 Elim1Store]: treesize reduction 48, result has 28.4 percent of original size [2022-11-20 21:12:05,791 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 [2022-11-20 21:12:05,810 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-20 21:12:05,810 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 [2022-11-20 21:12:06,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:12:06,362 INFO L321 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2022-11-20 21:12:06,362 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 [2022-11-20 21:12:06,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:12:06,378 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-20 21:12:06,379 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 [2022-11-20 21:12:06,447 INFO L321 Elim1Store]: treesize reduction 54, result has 64.9 percent of original size [2022-11-20 21:12:06,448 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 [2022-11-20 21:12:08,828 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 21:12:12,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:12:12,510 INFO L321 Elim1Store]: treesize reduction 37, result has 24.5 percent of original size [2022-11-20 21:12:12,510 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 [2022-11-20 21:12:12,523 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-20 21:12:12,523 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 [2022-11-20 21:12:12,530 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 [2022-11-20 21:12:12,648 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 [2022-11-20 21:12:12,690 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 21:12:12,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:12:44,604 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 [2022-11-20 21:12:45,319 INFO L321 Elim1Store]: treesize reduction 2493, result has 9.4 percent of original size [2022-11-20 21:12:45,319 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 [2022-11-20 21:12:45,670 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:12:45,670 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 [2022-11-20 21:12:46,642 INFO L321 Elim1Store]: treesize reduction 329, result has 31.6 percent of original size [2022-11-20 21:12:46,646 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 [2022-11-20 21:24:52,322 WARN L233 SmtUtils]: Spent 12.09m 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) [2022-11-20 21:24:53,700 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:24:53,701 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 [2022-11-20 21:25:29,556 WARN L233 SmtUtils]: Spent 35.85s 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) [2022-11-20 21:25:30,764 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 [2022-11-20 21:25:31,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:25:31,779 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:25:31,779 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 [2022-11-20 21:25:33,690 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:25:33,691 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 [2022-11-20 21:25:35,923 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 [2022-11-20 21:25:37,207 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 [2022-11-20 21:25:37,874 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:25:37,874 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 [2022-11-20 21:25:39,820 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:25:39,821 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