./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 11:19:24,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:19:24,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:19:24,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:19:24,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:19:24,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:19:24,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:19:24,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:19:24,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:19:24,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:19:24,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:19:24,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:19:24,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:19:24,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:19:24,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:19:24,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:19:24,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:19:24,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:19:24,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:19:24,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:19:24,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:19:24,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:19:24,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:19:24,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:19:24,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:19:24,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:19:24,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:19:24,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:19:24,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:19:24,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:19:24,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:19:24,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:19:24,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:19:24,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:19:24,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:19:24,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:19:24,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:19:24,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:19:24,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:19:24,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:19:24,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:19:24,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 11:19:24,968 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:19:24,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:19:24,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:19:24,969 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:19:24,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:19:24,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:19:24,970 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:19:24,970 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:19:24,970 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:19:24,971 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:19:24,971 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:19:24,971 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:19:24,971 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:19:24,971 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:19:24,971 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:19:24,972 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:19:24,972 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:19:24,972 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:19:24,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:19:24,973 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:19:24,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:19:24,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:19:24,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:19:24,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:19:24,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:19:24,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:19:24,974 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:19:24,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:19:24,974 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:19:24,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:19:24,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:19:24,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:19:24,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:19:24,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:19:24,975 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:19:24,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:19:24,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:19:24,976 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:19:24,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:19:24,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:19:24,976 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:19:24,976 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_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 [2022-12-14 11:19:25,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:19:25,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:19:25,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:19:25,181 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:19:25,186 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:19:25,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-12-14 11:19:27,792 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:19:27,987 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:19:27,987 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-12-14 11:19:27,997 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/data/b75b5012b/c5b8e54d8a8f4d7492ef9f31f7e8643f/FLAG85403fcef [2022-12-14 11:19:28,011 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/data/b75b5012b/c5b8e54d8a8f4d7492ef9f31f7e8643f [2022-12-14 11:19:28,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:19:28,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:19:28,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:19:28,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:19:28,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:19:28,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:19:28" (1/1) ... [2022-12-14 11:19:28,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e924bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:28, skipping insertion in model container [2022-12-14 11:19:28,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:19:28" (1/1) ... [2022-12-14 11:19:28,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:19:28,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:19:28,279 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_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-12-14 11:19:28,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:19:28,292 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:19:28,329 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_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-12-14 11:19:28,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:19:28,361 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:19:28,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:28 WrapperNode [2022-12-14 11:19:28,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:19:28,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:19:28,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:19:28,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:19:28,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:28" (1/1) ... [2022-12-14 11:19:28,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:28" (1/1) ... [2022-12-14 11:19:28,406 INFO L138 Inliner]: procedures = 123, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2022-12-14 11:19:28,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:19:28,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:19:28,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:19:28,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:19:28,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:28" (1/1) ... [2022-12-14 11:19:28,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:28" (1/1) ... [2022-12-14 11:19:28,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:28" (1/1) ... [2022-12-14 11:19:28,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:28" (1/1) ... [2022-12-14 11:19:28,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:28" (1/1) ... [2022-12-14 11:19:28,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:28" (1/1) ... [2022-12-14 11:19:28,432 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:28" (1/1) ... [2022-12-14 11:19:28,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:28" (1/1) ... [2022-12-14 11:19:28,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:19:28,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:19:28,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:19:28,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:19:28,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:28" (1/1) ... [2022-12-14 11:19:28,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:19:28,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:19:28,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:19:28,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:19:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:19:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:19:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 11:19:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:19:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 11:19:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 11:19:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:19:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:19:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:19:28,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:19:28,588 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:19:28,589 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:19:28,760 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:19:28,840 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:19:28,841 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 11:19:28,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:19:28 BoogieIcfgContainer [2022-12-14 11:19:28,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:19:28,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:19:28,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:19:28,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:19:28,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:19:28" (1/3) ... [2022-12-14 11:19:28,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@642dcfdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:19:28, skipping insertion in model container [2022-12-14 11:19:28,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:28" (2/3) ... [2022-12-14 11:19:28,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@642dcfdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:19:28, skipping insertion in model container [2022-12-14 11:19:28,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:19:28" (3/3) ... [2022-12-14 11:19:28,851 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_nullified-1.i [2022-12-14 11:19:28,866 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:19:28,866 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 11:19:28,906 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:19:28,912 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;@342c0127, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:19:28,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 11:19:28,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 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) [2022-12-14 11:19:28,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 11:19:28,921 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:19:28,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 11:19:28,922 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:19:28,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:19:28,927 INFO L85 PathProgramCache]: Analyzing trace with hash -388181351, now seen corresponding path program 1 times [2022-12-14 11:19:28,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:19:28,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275090615] [2022-12-14 11:19:28,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:19:28,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:19:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:19:29,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:19:29,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:19:29,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275090615] [2022-12-14 11:19:29,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275090615] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:19:29,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:19:29,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:19:29,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353389137] [2022-12-14 11:19:29,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:19:29,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:19:29,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:19:29,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:19:29,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:19:29,172 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-12-14 11:19:29,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:19:29,249 INFO L93 Difference]: Finished difference Result 25 states and 37 transitions. [2022-12-14 11:19:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:19:29,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2022-12-14 11:19:29,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:19:29,256 INFO L225 Difference]: With dead ends: 25 [2022-12-14 11:19:29,256 INFO L226 Difference]: Without dead ends: 12 [2022-12-14 11:19:29,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:19:29,260 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:19:29,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 18 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:19:29,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-12-14 11:19:29,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-12-14 11:19:29,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:19:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-12-14 11:19:29,284 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 14 transitions. Word has length 6 [2022-12-14 11:19:29,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:19:29,285 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-12-14 11:19:29,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-12-14 11:19:29,285 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-12-14 11:19:29,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 11:19:29,285 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:19:29,285 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:19:29,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:19:29,286 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:19:29,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:19:29,286 INFO L85 PathProgramCache]: Analyzing trace with hash 249157005, now seen corresponding path program 1 times [2022-12-14 11:19:29,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:19:29,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583856936] [2022-12-14 11:19:29,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:19:29,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:19:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:19:29,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:19:29,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:19:29,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583856936] [2022-12-14 11:19:29,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583856936] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:19:29,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636931834] [2022-12-14 11:19:29,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:19:29,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:19:29,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:19:29,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:19:29,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 11:19:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:19:29,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 11:19:29,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:19:29,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:19:29,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:19:29,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:19:29,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636931834] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:19:29,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [162691242] [2022-12-14 11:19:29,596 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 11:19:29,596 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:19:29,599 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:19:29,603 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:19:29,603 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:19:29,688 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 11:19:29,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 11:19:29,733 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 11:19:29,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 11:19:29,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:29,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:29,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:29,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:29,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 51 [2022-12-14 11:19:29,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:29,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:29,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:29,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:29,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 11:19:29,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:29,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:29,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2022-12-14 11:19:29,919 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 18 treesize of output 19 [2022-12-14 11:19:29,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:29,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:29,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2022-12-14 11:19:29,959 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 18 treesize of output 19 [2022-12-14 11:19:30,023 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 11:19:30,024 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 [2022-12-14 11:19:30,043 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 [2022-12-14 11:19:30,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:30,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:30,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:30,392 INFO L217 Elim1Store]: Index analysis took 173 ms [2022-12-14 11:19:30,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:30,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:30,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:30,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:30,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:30,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:30,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:30,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:30,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:31,931 INFO L321 Elim1Store]: treesize reduction 83, result has 28.4 percent of original size [2022-12-14 11:19:31,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 339 treesize of output 339 [2022-12-14 11:19:32,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,137 INFO L217 Elim1Store]: Index analysis took 138 ms [2022-12-14 11:19:32,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:32,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:32,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:32,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:32,628 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 11:19:32,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 351 treesize of output 348 [2022-12-14 11:19:32,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,757 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 0 case distinctions, treesize of input 315 treesize of output 306 [2022-12-14 11:19:32,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,871 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 0 case distinctions, treesize of input 315 treesize of output 306 [2022-12-14 11:19:32,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:32,952 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 0 case distinctions, treesize of input 319 treesize of output 306 [2022-12-14 11:19:32,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,020 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 0 case distinctions, treesize of input 319 treesize of output 306 [2022-12-14 11:19:33,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,088 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 0 case distinctions, treesize of input 319 treesize of output 306 [2022-12-14 11:19:33,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,129 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 0 case distinctions, treesize of input 319 treesize of output 306 [2022-12-14 11:19:33,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:33,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:33,202 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-12-14 11:19:33,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 462 treesize of output 485 [2022-12-14 11:19:33,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:33,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:33,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 539 treesize of output 569 [2022-12-14 11:19:33,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 65 [2022-12-14 11:19:33,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-12-14 11:19:33,287 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 45 treesize of output 25 [2022-12-14 11:19:33,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:33,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:33,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,435 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-12-14 11:19:33,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 525 treesize of output 492 [2022-12-14 11:19:33,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 338 treesize of output 267 [2022-12-14 11:19:33,653 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 267 treesize of output 203 [2022-12-14 11:19:33,671 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 24 treesize of output 18 [2022-12-14 11:19:33,864 INFO L321 Elim1Store]: treesize reduction 112, result has 22.8 percent of original size [2022-12-14 11:19:33,865 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 694 treesize of output 707 [2022-12-14 11:19:33,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:33,968 INFO L321 Elim1Store]: treesize reduction 144, result has 25.4 percent of original size [2022-12-14 11:19:33,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 693 treesize of output 721 [2022-12-14 11:19:34,113 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 30 treesize of output 18 [2022-12-14 11:19:34,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:34,307 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 11:19:34,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-12-14 11:19:34,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:34,404 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-14 11:19:34,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-12-14 11:19:34,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-12-14 11:19:34,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 66 treesize of output 42 [2022-12-14 11:19:34,514 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-12-14 11:19:34,515 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 2 case distinctions, treesize of input 91 treesize of output 56 [2022-12-14 11:19:34,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 38 [2022-12-14 11:19:34,592 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-12-14 11:19:34,593 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 2 case distinctions, treesize of input 85 treesize of output 50 [2022-12-14 11:19:34,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-12-14 11:19:34,715 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 [2022-12-14 11:19:34,721 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 [2022-12-14 11:19:34,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:34,922 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 11:19:34,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-12-14 11:19:34,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:34,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:35,017 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-14 11:19:35,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 200 [2022-12-14 11:19:35,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:35,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:35,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:35,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:35,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-12-14 11:19:35,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:35,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:35,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:35,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:35,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:35,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 66 treesize of output 42 [2022-12-14 11:19:35,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 55 [2022-12-14 11:19:35,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:35,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:35,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:35,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:35,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-12-14 11:19:35,146 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 [2022-12-14 11:19:35,221 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 11:19:35,221 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 2 case distinctions, treesize of input 172 treesize of output 143 [2022-12-14 11:19:35,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:35,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:35,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:35,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:35,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 83 [2022-12-14 11:19:35,385 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:19:35,790 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '121#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 11:19:35,790 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:19:35,791 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:19:35,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-12-14 11:19:35,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782259378] [2022-12-14 11:19:35,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:19:35,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 11:19:35,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:19:35,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 11:19:35,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:19:35,793 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-12-14 11:19:35,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:19:35,978 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. [2022-12-14 11:19:35,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:19:35,978 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 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 8 [2022-12-14 11:19:35,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:19:35,979 INFO L225 Difference]: With dead ends: 24 [2022-12-14 11:19:35,979 INFO L226 Difference]: Without dead ends: 17 [2022-12-14 11:19:35,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:19:35,980 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:19:35,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 21 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:19:35,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-14 11:19:35,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-14 11:19:35,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 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) [2022-12-14 11:19:35,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-12-14 11:19:35,982 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 8 [2022-12-14 11:19:35,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:19:35,982 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-12-14 11:19:35,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-12-14 11:19:35,982 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-12-14 11:19:35,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:19:35,983 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:19:35,983 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1] [2022-12-14 11:19:35,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 11:19:36,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:19:36,185 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:19:36,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:19:36,186 INFO L85 PathProgramCache]: Analyzing trace with hash -555724695, now seen corresponding path program 2 times [2022-12-14 11:19:36,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:19:36,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351075779] [2022-12-14 11:19:36,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:19:36,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:19:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:19:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:19:36,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:19:36,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351075779] [2022-12-14 11:19:36,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351075779] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:19:36,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858866382] [2022-12-14 11:19:36,544 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 11:19:36,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:19:36,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:19:36,545 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:19:36,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 11:19:37,609 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-14 11:19:37,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 11:19:37,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 11:19:37,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:19:37,638 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:19:37,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:19:37,666 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:19:37,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858866382] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:19:37,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [718450091] [2022-12-14 11:19:37,668 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 11:19:37,668 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:19:37,668 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:19:37,668 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:19:37,668 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:19:37,699 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 11:19:37,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 11:19:37,727 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 11:19:37,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 11:19:37,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:37,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:37,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:37,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:37,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 51 [2022-12-14 11:19:37,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:37,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:37,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:37,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:37,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 11:19:37,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:37,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:37,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2022-12-14 11:19:37,805 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 18 treesize of output 19 [2022-12-14 11:19:37,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:37,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:37,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2022-12-14 11:19:37,832 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 18 treesize of output 19 [2022-12-14 11:19:37,880 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 11:19:37,880 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 [2022-12-14 11:19:37,893 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 [2022-12-14 11:19:38,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:38,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:38,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:38,312 INFO L217 Elim1Store]: Index analysis took 321 ms [2022-12-14 11:19:38,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:38,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:38,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:38,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:38,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:38,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:38,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:39,748 INFO L321 Elim1Store]: treesize reduction 79, result has 26.9 percent of original size [2022-12-14 11:19:39,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 327 treesize of output 327 [2022-12-14 11:19:39,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:39,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:39,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:39,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:40,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:40,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:40,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:40,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:40,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:40,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:40,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:40,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:40,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:40,269 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 11:19:40,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 339 treesize of output 336 [2022-12-14 11:19:40,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:40,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:40,405 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 0 case distinctions, treesize of input 303 treesize of output 294 [2022-12-14 11:19:40,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:40,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:40,520 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 0 case distinctions, treesize of input 307 treesize of output 294 [2022-12-14 11:19:40,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:40,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:40,601 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 0 case distinctions, treesize of input 303 treesize of output 294 [2022-12-14 11:19:40,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:40,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:40,672 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 0 case distinctions, treesize of input 307 treesize of output 294 [2022-12-14 11:19:40,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:40,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:40,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:40,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:40,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:40,951 INFO L321 Elim1Store]: treesize reduction 66, result has 32.0 percent of original size [2022-12-14 11:19:40,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 450 treesize of output 478 [2022-12-14 11:19:40,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:41,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 397 treesize of output 384 [2022-12-14 11:19:41,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:41,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 397 treesize of output 384 [2022-12-14 11:19:41,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:41,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:41,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:41,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:41,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 527 treesize of output 557 [2022-12-14 11:19:41,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:41,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:41,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:41,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:41,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:41,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:41,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:41,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:41,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:41,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:41,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:41,199 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-12-14 11:19:41,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 479 treesize of output 446 [2022-12-14 11:19:41,417 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-12-14 11:19:41,417 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 259 treesize of output 190 [2022-12-14 11:19:41,430 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 178 treesize of output 134 [2022-12-14 11:19:41,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:41,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:41,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2022-12-14 11:19:41,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:41,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 470 treesize of output 425 [2022-12-14 11:19:41,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-12-14 11:19:41,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:41,514 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 405 treesize of output 393 [2022-12-14 11:19:41,882 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 11:19:41,883 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 955 treesize of output 954 [2022-12-14 11:19:41,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:41,956 INFO L321 Elim1Store]: treesize reduction 170, result has 19.4 percent of original size [2022-12-14 11:19:41,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 960 treesize of output 970 [2022-12-14 11:19:42,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:42,267 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 11:19:42,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 14 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-12-14 11:19:42,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:42,354 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-14 11:19:42,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 200 [2022-12-14 11:19:42,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-12-14 11:19:42,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 66 treesize of output 42 [2022-12-14 11:19:42,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 55 [2022-12-14 11:19:42,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-12-14 11:19:42,485 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 [2022-12-14 11:19:42,547 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 11:19:42,547 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 2 case distinctions, treesize of input 172 treesize of output 143 [2022-12-14 11:19:42,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 83 [2022-12-14 11:19:42,619 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 [2022-12-14 11:19:42,625 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 [2022-12-14 11:19:42,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:42,787 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 11:19:42,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-12-14 11:19:42,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:42,870 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-14 11:19:42,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-12-14 11:19:42,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-12-14 11:19:42,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 66 treesize of output 42 [2022-12-14 11:19:42,991 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-12-14 11:19:42,992 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 2 case distinctions, treesize of input 85 treesize of output 50 [2022-12-14 11:19:42,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:42,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:43,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:43,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-12-14 11:19:43,043 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 11:19:43,043 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 2 case distinctions, treesize of input 146 treesize of output 121 [2022-12-14 11:19:43,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:43,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:43,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:43,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:43,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 69 [2022-12-14 11:19:43,167 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:19:43,612 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '273#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 11:19:43,612 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:19:43,612 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:19:43,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2022-12-14 11:19:43,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19283571] [2022-12-14 11:19:43,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:19:43,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 11:19:43,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:19:43,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 11:19:43,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-12-14 11:19:43,614 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 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) [2022-12-14 11:19:43,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:19:43,764 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-12-14 11:19:43,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 11:19:43,764 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 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 14 [2022-12-14 11:19:43,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:19:43,765 INFO L225 Difference]: With dead ends: 26 [2022-12-14 11:19:43,765 INFO L226 Difference]: Without dead ends: 19 [2022-12-14 11:19:43,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-12-14 11:19:43,766 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:19:43,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:19:43,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-12-14 11:19:43,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-12-14 11:19:43,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 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) [2022-12-14 11:19:43,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2022-12-14 11:19:43,769 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 14 [2022-12-14 11:19:43,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:19:43,769 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2022-12-14 11:19:43,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 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) [2022-12-14 11:19:43,769 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-12-14 11:19:43,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 11:19:43,769 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:19:43,770 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1] [2022-12-14 11:19:43,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 11:19:43,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:19:43,971 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:19:43,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:19:43,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1846206627, now seen corresponding path program 3 times [2022-12-14 11:19:43,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:19:43,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883075636] [2022-12-14 11:19:43,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:19:43,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:19:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 11:19:44,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 11:19:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 11:19:44,288 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 11:19:44,288 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 11:19:44,289 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 11:19:44,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 11:19:44,294 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2022-12-14 11:19:44,297 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 11:19:44,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 11:19:44 BoogieIcfgContainer [2022-12-14 11:19:44,322 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 11:19:44,323 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 11:19:44,323 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 11:19:44,323 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 11:19:44,323 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:19:28" (3/4) ... [2022-12-14 11:19:44,325 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 11:19:44,360 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 11:19:44,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 11:19:44,360 INFO L158 Benchmark]: Toolchain (without parser) took 16345.55ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 145.1MB in the beginning and 164.7MB in the end (delta: -19.6MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-12-14 11:19:44,360 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory was 74.6MB in the beginning and 74.6MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:19:44,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.88ms. Allocated memory is still 186.6MB. Free memory was 145.1MB in the beginning and 127.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 11:19:44,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.06ms. Allocated memory is still 186.6MB. Free memory was 127.9MB in the beginning and 126.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 11:19:44,361 INFO L158 Benchmark]: Boogie Preprocessor took 28.88ms. Allocated memory is still 186.6MB. Free memory was 126.2MB in the beginning and 124.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:19:44,361 INFO L158 Benchmark]: RCFGBuilder took 406.05ms. Allocated memory is still 186.6MB. Free memory was 124.5MB in the beginning and 153.1MB in the end (delta: -28.6MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-12-14 11:19:44,361 INFO L158 Benchmark]: TraceAbstraction took 15477.06ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 153.1MB in the beginning and 166.8MB in the end (delta: -13.7MB). Peak memory consumption was 130.9MB. Max. memory is 16.1GB. [2022-12-14 11:19:44,361 INFO L158 Benchmark]: Witness Printer took 37.08ms. Allocated memory is still 224.4MB. Free memory was 166.8MB in the beginning and 164.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 11:19:44,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory was 74.6MB in the beginning and 74.6MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.88ms. Allocated memory is still 186.6MB. Free memory was 145.1MB in the beginning and 127.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.06ms. Allocated memory is still 186.6MB. Free memory was 127.9MB in the beginning and 126.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.88ms. Allocated memory is still 186.6MB. Free memory was 126.2MB in the beginning and 124.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 406.05ms. Allocated memory is still 186.6MB. Free memory was 124.5MB in the beginning and 153.1MB in the end (delta: -28.6MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * TraceAbstraction took 15477.06ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 153.1MB in the beginning and 166.8MB in the end (delta: -13.7MB). Peak memory consumption was 130.9MB. Max. memory is 16.1GB. * Witness Printer took 37.08ms. Allocated memory is still 224.4MB. Free memory was 166.8MB in the beginning and 164.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 616]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L599] const int len = 5; [L600] CALL, EXPR dll_create(len) [L579] DLL head = ((void *)0); VAL [\old(len)=5, head={0:0}, len=5] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND FALSE !(\read(head)) [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-1:0}, len=4, new_head={-1:0}] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND TRUE \read(head) [L591] head->prev = new_head [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-2:0}, len=3, new_head={-2:0}] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND TRUE \read(head) [L591] head->prev = new_head [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-3:0}, len=2, new_head={-3:0}] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND TRUE \read(head) [L591] head->prev = new_head [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-4:0}, len=1, new_head={-4:0}] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND TRUE \read(head) [L591] head->prev = new_head [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-5:0}, len=0, new_head={-5:0}] [L580] COND FALSE !(len > 0) [L596] return head; [L600] RET, EXPR dll_create(len) [L600] DLL head = dll_create(len); [L601] head->next VAL [head={-5:0}, head->next={-4:0}, len=5] [L601] COND TRUE head->next [L602] EXPR head->data_0 [L602] EXPR 0 != head->data_0 || 0 != head->data_1 [L602] EXPR head->data_1 [L602] EXPR 0 != head->data_0 || 0 != head->data_1 [L602] 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 [L602] EXPR head->data_2 [L602] 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 VAL [0 != head->data_0 || 0 != head->data_1=0, 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2=1, head={-5:0}, head->data_0=0, head->data_1=0, head->data_2=1, len=5] [L602] COND TRUE 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 [L616] reach_error() VAL [head={-5:0}, len=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.4s, OverallIterations: 4, TraceHistogramMax: 5, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 23 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 44 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 139 SizeOfPredicates, 4 NumberOfNonLiveVariables, 606 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/51 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 11:19:44,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b441a7b-d5a6-4edc-9466-424f9c0e35fc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE