./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/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_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/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 64bit --witnessprinter.graph.data.programhash 738adda5587cc7db42a737880eb85db50323715a835f90df26e4ddab159c3369 --- 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 12:20:57,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:20:57,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:20:57,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:20:57,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:20:57,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:20:57,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:20:57,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:20:57,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:20:57,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:20:57,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:20:57,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:20:57,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:20:57,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:20:57,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:20:57,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:20:57,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:20:57,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:20:57,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:20:57,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:20:57,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:20:57,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:20:57,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:20:57,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:20:57,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:20:57,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:20:57,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:20:57,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:20:57,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:20:57,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:20:57,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:20:57,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:20:57,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:20:57,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:20:57,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:20:57,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:20:57,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:20:57,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:20:57,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:20:57,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:20:57,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:20:57,927 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 12:20:57,947 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:20:57,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:20:57,948 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:20:57,948 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:20:57,955 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:20:57,955 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:20:57,955 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:20:57,955 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:20:57,956 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:20:57,956 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:20:57,956 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:20:57,956 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:20:57,956 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:20:57,956 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:20:57,956 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:20:57,956 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:20:57,957 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:20:57,957 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:20:57,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:20:57,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:20:57,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:20:57,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:20:57,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:20:57,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:20:57,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:20:57,958 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:20:57,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:20:57,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:20:57,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:20:57,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:20:57,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:20:57,959 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:20:57,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:20:57,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:20:57,959 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:20:57,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:20:57,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:20:57,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:20:57,960 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_e406bd92-5838-4f38-8c42-5b6a9753a6cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 738adda5587cc7db42a737880eb85db50323715a835f90df26e4ddab159c3369 [2022-12-14 12:20:58,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:20:58,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:20:58,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:20:58,139 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:20:58,140 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:20:58,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2022-12-14 12:21:00,783 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:21:00,997 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:21:00,998 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2022-12-14 12:21:01,007 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/data/582d9fe82/19efb91bae884dbc94386cd9e43b082b/FLAG54ca8cb8f [2022-12-14 12:21:01,021 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/data/582d9fe82/19efb91bae884dbc94386cd9e43b082b [2022-12-14 12:21:01,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:21:01,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:21:01,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:21:01,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:21:01,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:21:01,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:21:01" (1/1) ... [2022-12-14 12:21:01,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66885e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:21:01, skipping insertion in model container [2022-12-14 12:21:01,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:21:01" (1/1) ... [2022-12-14 12:21:01,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:21:01,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:21:01,216 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_e406bd92-5838-4f38-8c42-5b6a9753a6cc/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1107,1120] [2022-12-14 12:21:01,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:21:01,384 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:21:01,395 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_e406bd92-5838-4f38-8c42-5b6a9753a6cc/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1107,1120] [2022-12-14 12:21:01,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:21:01,479 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:21:01,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:21:01 WrapperNode [2022-12-14 12:21:01,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:21:01,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:21:01,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:21:01,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:21:01,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:21:01" (1/1) ... [2022-12-14 12:21:01,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:21:01" (1/1) ... [2022-12-14 12:21:01,579 INFO L138 Inliner]: procedures = 15, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 927 [2022-12-14 12:21:01,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:21:01,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:21:01,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:21:01,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:21:01,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:21:01" (1/1) ... [2022-12-14 12:21:01,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:21:01" (1/1) ... [2022-12-14 12:21:01,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:21:01" (1/1) ... [2022-12-14 12:21:01,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:21:01" (1/1) ... [2022-12-14 12:21:01,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:21:01" (1/1) ... [2022-12-14 12:21:01,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:21:01" (1/1) ... [2022-12-14 12:21:01,638 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:21:01" (1/1) ... [2022-12-14 12:21:01,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:21:01" (1/1) ... [2022-12-14 12:21:01,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:21:01,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:21:01,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:21:01,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:21:01,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:21:01" (1/1) ... [2022-12-14 12:21:01,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:21:01,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:21:01,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:21:01,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:21:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 12:21:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 12:21:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:21:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:21:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:21:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:21:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:21:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:21:01,894 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:21:01,896 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:21:03,846 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:21:03,944 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:21:03,944 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-12-14 12:21:03,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:21:03 BoogieIcfgContainer [2022-12-14 12:21:03,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:21:03,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:21:03,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:21:03,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:21:03,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:21:01" (1/3) ... [2022-12-14 12:21:03,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e85e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:21:03, skipping insertion in model container [2022-12-14 12:21:03,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:21:01" (2/3) ... [2022-12-14 12:21:03,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e85e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:21:03, skipping insertion in model container [2022-12-14 12:21:03,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:21:03" (3/3) ... [2022-12-14 12:21:03,952 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2022-12-14 12:21:03,965 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:21:03,966 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 12:21:03,999 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:21:04,003 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;@9f75e71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:21:04,004 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 12:21:04,007 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 12:21:04,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 12:21:04,012 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:21:04,013 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:21:04,013 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:21:04,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:21:04,017 INFO L85 PathProgramCache]: Analyzing trace with hash -953116364, now seen corresponding path program 1 times [2022-12-14 12:21:04,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:21:04,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020838988] [2022-12-14 12:21:04,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:21:04,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:21:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:21:04,504 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:21:04,505 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:21:04,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020838988] [2022-12-14 12:21:04,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020838988] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:21:04,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:21:04,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:21:04,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976870620] [2022-12-14 12:21:04,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:21:04,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:21:04,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:21:04,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:21:04,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:21:04,534 INFO L87 Difference]: Start difference. First operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-14 12:21:06,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:21:06,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:21:06,678 INFO L93 Difference]: Finished difference Result 48 states and 71 transitions. [2022-12-14 12:21:06,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:21:06,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 26 [2022-12-14 12:21:06,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:21:06,684 INFO L225 Difference]: With dead ends: 48 [2022-12-14 12:21:06,684 INFO L226 Difference]: Without dead ends: 25 [2022-12-14 12:21:06,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:21:06,688 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:21:06,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 12:21:06,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-12-14 12:21:06,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-12-14 12:21:06,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 12:21:06,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2022-12-14 12:21:06,715 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 35 transitions. Word has length 26 [2022-12-14 12:21:06,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:21:06,715 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 35 transitions. [2022-12-14 12:21:06,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-14 12:21:06,715 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2022-12-14 12:21:06,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 12:21:06,716 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:21:06,717 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:21:06,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:21:06,717 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:21:06,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:21:06,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1717820294, now seen corresponding path program 1 times [2022-12-14 12:21:06,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:21:06,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365034622] [2022-12-14 12:21:06,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:21:06,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:21:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:21:07,039 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:21:07,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:21:07,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365034622] [2022-12-14 12:21:07,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365034622] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:21:07,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876422232] [2022-12-14 12:21:07,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:21:07,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:21:07,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:21:07,042 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:21:07,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:21:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:21:07,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 12:21:07,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:21:07,390 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:21:07,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:21:07,419 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 12:21:07,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876422232] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 12:21:07,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 12:21:07,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 6 [2022-12-14 12:21:07,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290485656] [2022-12-14 12:21:07,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:21:07,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:21:07,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:21:07,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:21:07,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:21:07,422 INFO L87 Difference]: Start difference. First operand 25 states and 35 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-14 12:21:08,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:21:08,507 INFO L93 Difference]: Finished difference Result 47 states and 66 transitions. [2022-12-14 12:21:08,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:21:08,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 27 [2022-12-14 12:21:08,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:21:08,508 INFO L225 Difference]: With dead ends: 47 [2022-12-14 12:21:08,508 INFO L226 Difference]: Without dead ends: 26 [2022-12-14 12:21:08,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:21:08,510 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:21:08,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 12:21:08,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-14 12:21:08,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-12-14 12:21:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 12:21:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2022-12-14 12:21:08,517 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 27 [2022-12-14 12:21:08,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:21:08,517 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2022-12-14 12:21:08,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-14 12:21:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2022-12-14 12:21:08,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 12:21:08,524 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:21:08,524 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:21:08,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:21:08,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-12-14 12:21:08,726 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:21:08,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:21:08,728 INFO L85 PathProgramCache]: Analyzing trace with hash 2112837683, now seen corresponding path program 1 times [2022-12-14 12:21:08,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:21:08,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629185708] [2022-12-14 12:21:08,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:21:08,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:21:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:21:08,987 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 12:21:08,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:21:08,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629185708] [2022-12-14 12:21:08,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629185708] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:21:08,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553351975] [2022-12-14 12:21:08,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:21:08,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:21:08,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:21:08,990 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:21:08,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 12:21:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:21:09,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 12:21:09,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:21:09,687 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 12:21:09,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:21:09,718 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 12:21:09,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553351975] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:21:09,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [971185892] [2022-12-14 12:21:09,733 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-12-14 12:21:09,734 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:21:09,736 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:21:09,740 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:21:09,741 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:21:09,801 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 12:21:09,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-14 12:21:09,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-12-14 12:21:10,042 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-12-14 12:21:10,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-12-14 12:21:10,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:21:10,303 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 12:21:10,321 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 12:21:10,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-12-14 12:21:10,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:21:10,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:21:13,259 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-12-14 12:21:13,260 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:21:20,611 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '590#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-12-14 12:21:20,611 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:21:20,611 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:21:20,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 8 [2022-12-14 12:21:20,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53537190] [2022-12-14 12:21:20,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:21:20,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 12:21:20,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:21:20,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 12:21:20,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2022-12-14 12:21:20,614 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 12:21:21,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:21:21,711 INFO L93 Difference]: Finished difference Result 52 states and 74 transitions. [2022-12-14 12:21:21,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:21:21,712 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 28 [2022-12-14 12:21:21,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:21:21,712 INFO L225 Difference]: With dead ends: 52 [2022-12-14 12:21:21,712 INFO L226 Difference]: Without dead ends: 29 [2022-12-14 12:21:21,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2022-12-14 12:21:21,713 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:21:21,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 12:21:21,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-12-14 12:21:21,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-12-14 12:21:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 22 states have internal predecessors, (29), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 12:21:21,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2022-12-14 12:21:21,717 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 28 [2022-12-14 12:21:21,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:21:21,717 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2022-12-14 12:21:21,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 12:21:21,717 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2022-12-14 12:21:21,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 12:21:21,717 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:21:21,717 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:21:21,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 12:21:21,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:21:21,919 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:21:21,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:21:21,921 INFO L85 PathProgramCache]: Analyzing trace with hash -541860923, now seen corresponding path program 2 times [2022-12-14 12:21:21,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:21:21,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280331270] [2022-12-14 12:21:21,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:21:21,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:21:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:21:22,259 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 12:21:22,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:21:22,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280331270] [2022-12-14 12:21:22,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280331270] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:21:22,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197623049] [2022-12-14 12:21:22,260 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:21:22,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:21:22,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:21:22,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:21:22,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 12:21:22,995 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 12:21:22,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:21:22,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-14 12:21:23,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:21:23,638 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 12:21:23,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:21:23,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197623049] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:21:23,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:21:23,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-12-14 12:21:23,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697669789] [2022-12-14 12:21:23,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:21:23,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:21:23,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:21:23,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:21:23,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-14 12:21:23,640 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-14 12:21:26,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:21:26,086 INFO L93 Difference]: Finished difference Result 59 states and 83 transitions. [2022-12-14 12:21:26,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:21:26,086 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 31 [2022-12-14 12:21:26,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:21:26,087 INFO L225 Difference]: With dead ends: 59 [2022-12-14 12:21:26,087 INFO L226 Difference]: Without dead ends: 57 [2022-12-14 12:21:26,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-12-14 12:21:26,088 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 66 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:21:26,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 71 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-14 12:21:26,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-14 12:21:26,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 41. [2022-12-14 12:21:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 12:21:26,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2022-12-14 12:21:26,096 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 31 [2022-12-14 12:21:26,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:21:26,097 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2022-12-14 12:21:26,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-14 12:21:26,097 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2022-12-14 12:21:26,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 12:21:26,098 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:21:26,098 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:21:26,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 12:21:26,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:21:26,300 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:21:26,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:21:26,301 INFO L85 PathProgramCache]: Analyzing trace with hash -735951204, now seen corresponding path program 1 times [2022-12-14 12:21:26,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:21:26,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978572787] [2022-12-14 12:21:26,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:21:26,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:21:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:21:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-12-14 12:21:27,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:21:27,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978572787] [2022-12-14 12:21:27,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978572787] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:21:27,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026266061] [2022-12-14 12:21:27,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:21:27,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:21:27,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:21:27,061 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:21:27,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 12:21:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:21:27,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 2061 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 12:21:27,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:21:27,518 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-14 12:21:27,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:21:27,543 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-12-14 12:21:27,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026266061] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 12:21:27,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 12:21:27,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-12-14 12:21:27,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955957263] [2022-12-14 12:21:27,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:21:27,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:21:27,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:21:27,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:21:27,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:21:27,545 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 12:21:29,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:21:29,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:21:29,327 INFO L93 Difference]: Finished difference Result 63 states and 87 transitions. [2022-12-14 12:21:29,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:21:29,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2022-12-14 12:21:29,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:21:29,329 INFO L225 Difference]: With dead ends: 63 [2022-12-14 12:21:29,329 INFO L226 Difference]: Without dead ends: 42 [2022-12-14 12:21:29,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:21:29,330 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:21:29,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 12:21:29,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-12-14 12:21:29,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-12-14 12:21:29,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 12:21:29,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2022-12-14 12:21:29,335 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 57 transitions. Word has length 58 [2022-12-14 12:21:29,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:21:29,335 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 57 transitions. [2022-12-14 12:21:29,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 12:21:29,335 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2022-12-14 12:21:29,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 12:21:29,336 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:21:29,336 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:21:29,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 12:21:29,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:21:29,538 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:21:29,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:21:29,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1816794639, now seen corresponding path program 1 times [2022-12-14 12:21:29,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:21:29,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791968730] [2022-12-14 12:21:29,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:21:29,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:21:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:21:30,240 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-12-14 12:21:30,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:21:30,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791968730] [2022-12-14 12:21:30,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791968730] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:21:30,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479217421] [2022-12-14 12:21:30,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:21:30,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:21:30,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:21:30,242 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:21:30,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 12:21:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:21:30,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 12:21:30,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:21:30,786 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-14 12:21:30,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:21:30,811 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-12-14 12:21:30,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479217421] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 12:21:30,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 12:21:30,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-12-14 12:21:30,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508316831] [2022-12-14 12:21:30,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:21:30,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:21:30,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:21:30,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:21:30,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:21:30,813 INFO L87 Difference]: Start difference. First operand 42 states and 57 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 12:21:32,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:21:32,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:21:32,477 INFO L93 Difference]: Finished difference Result 65 states and 89 transitions. [2022-12-14 12:21:32,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:21:32,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 59 [2022-12-14 12:21:32,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:21:32,478 INFO L225 Difference]: With dead ends: 65 [2022-12-14 12:21:32,478 INFO L226 Difference]: Without dead ends: 43 [2022-12-14 12:21:32,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:21:32,479 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:21:32,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 12:21:32,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-12-14 12:21:32,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-12-14 12:21:32,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 12:21:32,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2022-12-14 12:21:32,484 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 58 transitions. Word has length 59 [2022-12-14 12:21:32,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:21:32,485 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 58 transitions. [2022-12-14 12:21:32,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 12:21:32,485 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2022-12-14 12:21:32,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-14 12:21:32,486 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:21:32,486 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:21:32,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 12:21:32,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 12:21:32,688 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:21:32,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:21:32,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1597352686, now seen corresponding path program 1 times [2022-12-14 12:21:32,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:21:32,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456491013] [2022-12-14 12:21:32,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:21:32,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:21:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:21:33,297 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-12-14 12:21:33,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:21:33,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456491013] [2022-12-14 12:21:33,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456491013] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:21:33,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146482330] [2022-12-14 12:21:33,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:21:33,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:21:33,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:21:33,299 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:21:33,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 12:21:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:21:33,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 2075 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 12:21:33,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:21:33,819 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-12-14 12:21:33,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:21:33,842 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-12-14 12:21:33,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146482330] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 12:21:33,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 12:21:33,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-12-14 12:21:33,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353674312] [2022-12-14 12:21:33,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:21:33,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:21:33,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:21:33,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:21:33,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:21:33,843 INFO L87 Difference]: Start difference. First operand 43 states and 58 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 12:21:35,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:21:35,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:21:35,916 INFO L93 Difference]: Finished difference Result 67 states and 91 transitions. [2022-12-14 12:21:35,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:21:35,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 60 [2022-12-14 12:21:35,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:21:35,917 INFO L225 Difference]: With dead ends: 67 [2022-12-14 12:21:35,917 INFO L226 Difference]: Without dead ends: 44 [2022-12-14 12:21:35,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:21:35,917 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:21:35,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 12:21:35,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-14 12:21:35,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-12-14 12:21:35,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 12:21:35,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2022-12-14 12:21:35,922 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 60 [2022-12-14 12:21:35,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:21:35,923 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2022-12-14 12:21:35,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 12:21:35,923 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2022-12-14 12:21:35,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 12:21:35,923 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:21:35,923 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:21:35,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 12:21:36,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-14 12:21:36,125 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:21:36,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:21:36,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1790894595, now seen corresponding path program 1 times [2022-12-14 12:21:36,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:21:36,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99302832] [2022-12-14 12:21:36,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:21:36,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:21:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:21:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-12-14 12:21:36,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:21:36,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99302832] [2022-12-14 12:21:36,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99302832] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:21:36,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146139735] [2022-12-14 12:21:36,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:21:36,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:21:36,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:21:36,737 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:21:36,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 12:21:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:21:37,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 2082 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 12:21:37,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:21:37,244 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-12-14 12:21:37,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:21:37,270 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-12-14 12:21:37,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146139735] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 12:21:37,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 12:21:37,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-12-14 12:21:37,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037015089] [2022-12-14 12:21:37,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:21:37,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:21:37,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:21:37,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:21:37,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:21:37,272 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 12:21:39,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:21:39,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:21:39,336 INFO L93 Difference]: Finished difference Result 69 states and 93 transitions. [2022-12-14 12:21:39,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:21:39,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 61 [2022-12-14 12:21:39,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:21:39,338 INFO L225 Difference]: With dead ends: 69 [2022-12-14 12:21:39,338 INFO L226 Difference]: Without dead ends: 45 [2022-12-14 12:21:39,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:21:39,339 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:21:39,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 12:21:39,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-12-14 12:21:39,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-12-14 12:21:39,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 12:21:39,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2022-12-14 12:21:39,346 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 60 transitions. Word has length 61 [2022-12-14 12:21:39,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:21:39,347 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 60 transitions. [2022-12-14 12:21:39,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 12:21:39,347 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-12-14 12:21:39,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 12:21:39,348 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:21:39,348 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:21:39,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-14 12:21:39,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-14 12:21:39,550 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:21:39,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:21:39,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1120950533, now seen corresponding path program 1 times [2022-12-14 12:21:39,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:21:39,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38513765] [2022-12-14 12:21:39,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:21:39,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:21:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:21:40,122 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-12-14 12:21:40,122 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:21:40,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38513765] [2022-12-14 12:21:40,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38513765] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:21:40,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684113637] [2022-12-14 12:21:40,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:21:40,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:21:40,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:21:40,124 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:21:40,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 12:21:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:21:40,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 2089 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 12:21:40,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:21:40,636 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-12-14 12:21:40,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:21:40,667 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-12-14 12:21:40,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684113637] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:21:40,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2124336740] [2022-12-14 12:21:40,669 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 12:21:40,669 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:21:40,670 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:21:40,670 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:21:40,670 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:21:40,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-14 12:21:40,704 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 12:21:40,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:21:40,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:40,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 329 treesize of output 328 [2022-12-14 12:21:40,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:21:40,912 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 12:21:40,923 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 12:21:40,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-12-14 12:21:41,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:21:41,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:21:43,136 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 12:21:43,171 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 12:21:43,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:21:43,380 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:21:43,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:21:43,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:43,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:43,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:43,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:21:43,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:21:43,962 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:21:43,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:21:44,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:21:44,269 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:21:44,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:21:45,336 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 12:21:45,449 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 12:21:45,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:21:45,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:21:45,999 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:21:45,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:21:46,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:46,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:46,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:21:46,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:21:46,963 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:21:46,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:21:47,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:21:47,494 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:21:47,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:21:47,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:21:48,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:21:48,446 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:21:48,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:21:49,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:49,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:49,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:49,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:21:49,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:21:49,619 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:21:49,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:21:50,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:21:50,279 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:21:50,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:21:50,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:21:50,863 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:21:50,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:21:52,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:52,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:52,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:21:52,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:21:52,134 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:21:52,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-12-14 12:21:52,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:21:52,683 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:21:52,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:21:53,141 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:21:53,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:22:01,685 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 12:22:01,734 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 12:22:02,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:03,012 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:22:03,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:22:03,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:03,349 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:22:03,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:22:04,255 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 12:22:04,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:22:04,567 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 12:22:05,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:05,132 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:22:05,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:22:06,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:06,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:06,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:06,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:06,117 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:22:06,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:22:06,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:06,643 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:22:06,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:22:07,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:22:07,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:07,669 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:22:07,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:22:08,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:08,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:08,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:08,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:08,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:08,888 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:22:08,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:22:09,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:09,546 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:22:09,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:22:10,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:10,121 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:22:10,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:22:11,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:11,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:11,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:11,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:11,481 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:22:11,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-12-14 12:22:12,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:12,078 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:22:12,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:22:12,526 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:22:12,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:22:21,356 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 12:22:21,540 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 12:22:22,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:22,260 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:22:22,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:22:22,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:22,943 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:22:22,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:22:23,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:22:24,022 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 12:22:24,099 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 12:22:24,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:24,720 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:22:24,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:22:25,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:25,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:25,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:25,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:25,735 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:22:25,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:22:26,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:26,233 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:22:26,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:22:26,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:22:27,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:27,186 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:22:27,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:22:28,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:28,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:28,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:28,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:28,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:28,440 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:22:28,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:22:29,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:29,146 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:22:29,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:22:29,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:29,627 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 12:22:29,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:22:30,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:30,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:30,960 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-12-14 12:22:30,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-12-14 12:22:31,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:22:31,699 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:22:31,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:22:32,140 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:22:32,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:22:47,639 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-12-14 12:22:47,641 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:22:55,338 WARN L233 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 640 DAG size of output: 460 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:23:08,071 WARN L233 SmtUtils]: Spent 12.48s on a formula simplification. DAG size of input: 556 DAG size of output: 524 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:23:19,580 WARN L233 SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:23:27,308 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3520#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-12-14 12:23:27,308 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:23:27,308 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:23:27,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 4] total 11 [2022-12-14 12:23:27,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058678105] [2022-12-14 12:23:27,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:23:27,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 12:23:27,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:23:27,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 12:23:27,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=877, Unknown=0, NotChecked=0, Total=1056 [2022-12-14 12:23:27,310 INFO L87 Difference]: Start difference. First operand 45 states and 60 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 12:23:29,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:23:29,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:23:29,437 INFO L93 Difference]: Finished difference Result 88 states and 121 transitions. [2022-12-14 12:23:29,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 12:23:29,438 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 62 [2022-12-14 12:23:29,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:23:29,438 INFO L225 Difference]: With dead ends: 88 [2022-12-14 12:23:29,438 INFO L226 Difference]: Without dead ends: 49 [2022-12-14 12:23:29,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 159 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 39.7s TimeCoverageRelationStatistics Valid=185, Invalid=937, Unknown=0, NotChecked=0, Total=1122 [2022-12-14 12:23:29,439 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:23:29,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 12:23:29,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-14 12:23:29,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-12-14 12:23:29,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 12:23:29,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 64 transitions. [2022-12-14 12:23:29,444 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 64 transitions. Word has length 62 [2022-12-14 12:23:29,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:23:29,444 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 64 transitions. [2022-12-14 12:23:29,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 12:23:29,444 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2022-12-14 12:23:29,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 12:23:29,445 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:23:29,445 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:23:29,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 12:23:29,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:23:29,646 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:23:29,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:23:29,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1084835228, now seen corresponding path program 2 times [2022-12-14 12:23:29,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:23:29,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110886055] [2022-12-14 12:23:29,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:23:29,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:23:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:23:30,258 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-12-14 12:23:30,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:23:30,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110886055] [2022-12-14 12:23:30,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110886055] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:23:30,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335385536] [2022-12-14 12:23:30,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:23:30,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:23:30,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:23:30,260 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:23:30,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 12:23:57,258 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 12:23:57,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:23:57,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 1808 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 12:23:57,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:23:57,303 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-12-14 12:23:57,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:23:57,339 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-12-14 12:23:57,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335385536] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:23:57,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [563248069] [2022-12-14 12:23:57,342 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 12:23:57,342 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:23:57,343 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:23:57,343 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:23:57,343 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:23:57,364 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 12:23:57,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-14 12:23:57,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:23:57,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:23:57,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 329 treesize of output 328 [2022-12-14 12:23:57,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:23:57,576 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 12:23:57,587 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 12:23:57,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-12-14 12:23:57,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:23:57,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:23:59,604 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 12:23:59,692 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 12:23:59,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:23:59,944 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:23:59,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:00,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:00,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:00,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:00,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:00,477 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:24:00,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:24:00,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:00,754 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:00,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:01,680 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 12:24:01,956 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 12:24:02,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:24:02,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:02,594 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:02,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:03,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:03,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:03,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:03,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:03,590 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:24:03,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:24:04,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:04,104 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:04,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:04,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:24:05,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:05,196 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:05,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:06,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:06,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:06,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:06,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:06,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:06,389 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:24:06,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:24:06,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:07,017 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:07,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:07,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:07,630 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:07,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:08,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:08,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:08,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:08,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:08,927 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:24:08,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-12-14 12:24:09,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:09,592 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:09,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:09,957 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:24:09,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:24:18,616 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 12:24:18,708 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 12:24:19,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:19,952 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:19,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:20,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:20,291 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:20,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:21,074 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 12:24:21,219 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 12:24:21,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:24:22,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:22,080 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:22,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:22,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:22,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:22,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:22,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:23,014 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:24:23,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:24:23,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:23,564 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:23,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:24,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:24:24,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:24,631 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:24,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:25,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:25,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:25,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:25,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:25,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:25,823 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:24:25,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:24:26,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:26,523 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:26,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:27,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:27,123 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 12:24:27,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:24:28,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:28,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:28,360 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-12-14 12:24:28,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-12-14 12:24:29,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:29,150 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:29,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:29,592 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:24:29,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:24:38,373 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 12:24:38,552 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 12:24:39,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:39,279 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:39,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:39,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:40,012 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:40,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:40,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:24:41,034 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 12:24:41,245 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 12:24:41,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:41,700 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:41,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:42,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:42,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:42,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:42,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:42,685 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:24:42,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:24:43,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:43,192 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:43,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:43,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:24:44,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:44,300 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:44,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:45,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:45,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:45,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:24:45,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:45,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:45,485 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:24:45,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:24:46,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:46,138 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:46,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:46,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:46,760 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 12:24:46,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:24:47,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:47,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:48,021 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-12-14 12:24:48,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-12-14 12:24:48,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:24:48,735 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:24:48,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:24:49,153 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:24:49,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:25:04,763 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-12-14 12:25:04,763 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:25:12,847 WARN L233 SmtUtils]: Spent 6.34s on a formula simplification. DAG size of input: 640 DAG size of output: 465 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:25:23,026 WARN L233 SmtUtils]: Spent 9.91s on a formula simplification. DAG size of input: 556 DAG size of output: 518 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:25:35,621 WARN L233 SmtUtils]: Spent 5.59s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:25:44,186 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4170#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-12-14 12:25:44,186 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:25:44,186 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:25:44,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 4] total 12 [2022-12-14 12:25:44,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297548794] [2022-12-14 12:25:44,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:25:44,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 12:25:44,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:25:44,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 12:25:44,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=940, Unknown=0, NotChecked=0, Total=1122 [2022-12-14 12:25:44,187 INFO L87 Difference]: Start difference. First operand 49 states and 64 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 12:25:46,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:25:47,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:25:47,892 INFO L93 Difference]: Finished difference Result 95 states and 128 transitions. [2022-12-14 12:25:47,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 12:25:47,893 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 66 [2022-12-14 12:25:47,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:25:47,893 INFO L225 Difference]: With dead ends: 95 [2022-12-14 12:25:47,893 INFO L226 Difference]: Without dead ends: 53 [2022-12-14 12:25:47,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 171 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 39.5s TimeCoverageRelationStatistics Valid=188, Invalid=1002, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 12:25:47,894 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:25:47,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 12:25:47,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-12-14 12:25:47,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-12-14 12:25:47,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.170731707317073) internal successors, (48), 41 states have internal predecessors, (48), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 12:25:47,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-12-14 12:25:47,899 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 66 [2022-12-14 12:25:47,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:25:47,899 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-12-14 12:25:47,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 12:25:47,900 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-12-14 12:25:47,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-14 12:25:47,900 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:25:47,900 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:25:47,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-12-14 12:25:48,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 12:25:48,101 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:25:48,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:25:48,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1249358151, now seen corresponding path program 3 times [2022-12-14 12:25:48,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:25:48,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609084228] [2022-12-14 12:25:48,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:25:48,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:25:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:25:48,730 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-12-14 12:25:48,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:25:48,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609084228] [2022-12-14 12:25:48,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609084228] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:25:48,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001660431] [2022-12-14 12:25:48,730 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 12:25:48,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:25:48,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:25:48,731 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:25:48,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 12:25:49,175 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 12:25:49,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:25:49,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 2145 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 12:25:49,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:25:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-12-14 12:25:49,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:25:49,304 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-12-14 12:25:49,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001660431] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:25:49,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [700561555] [2022-12-14 12:25:49,306 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 12:25:49,306 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:25:49,306 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:25:49,307 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:25:49,307 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:25:49,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-14 12:25:49,330 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 12:25:49,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-12-14 12:25:49,428 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-12-14 12:25:49,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-12-14 12:25:49,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:25:49,587 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 12:25:49,595 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 12:25:49,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-12-14 12:25:49,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:25:49,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:25:51,741 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 12:25:51,812 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 12:25:52,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:25:52,026 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:25:52,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:25:52,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:25:52,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:25:52,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:25:52,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:25:52,674 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:25:52,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:25:52,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:25:52,951 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:25:52,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:25:53,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:25:53,977 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 12:25:54,206 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 12:25:54,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:25:54,737 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:25:54,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:25:55,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:25:55,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:25:55,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:25:55,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:25:55,738 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:25:55,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:25:56,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:25:56,292 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:25:56,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:25:56,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:25:57,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:25:57,443 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:25:57,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:25:58,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:25:58,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:25:58,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:25:58,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:25:58,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:25:58,794 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:25:58,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:25:59,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:25:59,425 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:25:59,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:25:59,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:25:59,949 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:25:59,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:26:01,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:26:01,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:26:01,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:26:01,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:01,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:01,231 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:26:01,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-12-14 12:26:01,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:01,913 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:26:01,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:26:02,416 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:26:02,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:26:11,256 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 12:26:11,462 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 12:26:12,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:12,245 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:26:12,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:26:12,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:12,944 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:26:12,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:26:13,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:26:14,122 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 12:26:14,298 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 12:26:14,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:14,763 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:26:14,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:26:15,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:26:15,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:26:15,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:15,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:15,836 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:26:15,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:26:16,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:16,343 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:26:16,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:26:16,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:26:17,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:17,336 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:26:17,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:26:18,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:26:18,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:26:18,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:26:18,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:18,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:18,591 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:26:18,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:26:19,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:19,169 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:26:19,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:26:19,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:19,813 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 12:26:19,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:26:20,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:20,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:21,044 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-12-14 12:26:21,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-12-14 12:26:21,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:21,727 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:26:21,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:26:22,203 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:26:22,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:26:31,371 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 12:26:31,417 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 12:26:32,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:32,635 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:26:32,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:26:32,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:32,956 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:26:32,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:26:34,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:26:34,298 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 12:26:34,444 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 12:26:35,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:35,019 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:26:35,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:26:36,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:26:36,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:26:36,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:36,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:36,152 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:26:36,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:26:36,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:36,768 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:26:36,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:26:37,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:26:38,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:38,141 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:26:38,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:26:39,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:26:39,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:26:39,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:26:39,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:39,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:39,420 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:26:39,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:26:40,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:40,075 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:26:40,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:26:40,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:40,897 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 12:26:40,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:26:42,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:42,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:42,257 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-12-14 12:26:42,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-12-14 12:26:42,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:26:42,959 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:26:42,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:26:43,420 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:26:43,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:27:00,122 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-12-14 12:27:00,123 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:27:09,707 WARN L233 SmtUtils]: Spent 7.39s on a formula simplification. DAG size of input: 640 DAG size of output: 465 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:27:27,934 WARN L233 SmtUtils]: Spent 17.84s on a formula simplification. DAG size of input: 556 DAG size of output: 524 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:27:40,845 WARN L233 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:27:49,211 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4873#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-12-14 12:27:49,211 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:27:49,211 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:27:49,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 7] total 19 [2022-12-14 12:27:49,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211656537] [2022-12-14 12:27:49,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:27:49,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-14 12:27:49,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:27:49,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-14 12:27:49,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=1423, Unknown=0, NotChecked=0, Total=1640 [2022-12-14 12:27:49,213 INFO L87 Difference]: Start difference. First operand 53 states and 68 transitions. Second operand has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 12:27:50,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:27:53,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:27:53,209 INFO L93 Difference]: Finished difference Result 103 states and 137 transitions. [2022-12-14 12:27:53,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 12:27:53,209 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 70 [2022-12-14 12:27:53,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:27:53,210 INFO L225 Difference]: With dead ends: 103 [2022-12-14 12:27:53,210 INFO L226 Difference]: Without dead ends: 58 [2022-12-14 12:27:53,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 177 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 49.2s TimeCoverageRelationStatistics Valid=237, Invalid=1569, Unknown=0, NotChecked=0, Total=1806 [2022-12-14 12:27:53,212 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-14 12:27:53,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 280 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-14 12:27:53,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-12-14 12:27:53,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-12-14 12:27:53,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 46 states have internal predecessors, (53), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 12:27:53,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 73 transitions. [2022-12-14 12:27:53,221 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 73 transitions. Word has length 70 [2022-12-14 12:27:53,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:27:53,222 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 73 transitions. [2022-12-14 12:27:53,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 12:27:53,222 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-12-14 12:27:53,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 12:27:53,223 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:27:53,223 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 7, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:27:53,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-12-14 12:27:53,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:27:53,424 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:27:53,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:27:53,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1315736615, now seen corresponding path program 4 times [2022-12-14 12:27:53,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:27:53,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235822717] [2022-12-14 12:27:53,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:27:53,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:27:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:27:54,218 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-12-14 12:27:54,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:27:54,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235822717] [2022-12-14 12:27:54,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235822717] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:27:54,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424511586] [2022-12-14 12:27:54,219 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-14 12:27:54,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:27:54,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:27:54,220 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:27:54,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-14 12:27:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:27:54,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 2180 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-14 12:27:54,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:27:54,839 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-12-14 12:27:54,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:27:55,079 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-12-14 12:27:55,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424511586] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:27:55,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [398199211] [2022-12-14 12:27:55,082 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 12:27:55,082 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:27:55,082 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:27:55,082 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:27:55,082 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:27:55,099 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 12:27:55,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-14 12:27:55,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-12-14 12:27:55,212 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-12-14 12:27:55,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-12-14 12:27:55,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:27:55,404 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 12:27:55,413 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 12:27:55,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:27:55,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:27:55,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:27:57,517 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 12:27:57,573 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 12:27:57,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:27:57,858 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:27:57,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:27:58,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:58,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:58,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:58,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:27:58,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:27:58,403 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:27:58,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:27:58,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:27:58,677 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:27:58,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:27:59,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:27:59,801 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 12:27:59,872 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 12:28:00,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:00,360 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:00,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:01,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:01,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:01,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:01,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:01,380 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:28:01,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:28:01,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:01,908 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:01,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:02,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:28:02,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:03,003 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:03,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:04,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:04,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:04,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:04,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:04,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:04,440 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:28:04,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:28:05,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:05,159 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:05,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:05,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:05,836 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:05,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:07,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:07,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:07,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:07,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:07,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:07,162 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:28:07,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-12-14 12:28:07,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:07,765 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:07,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:08,240 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:28:08,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:28:16,890 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 12:28:16,990 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 12:28:17,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:17,811 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:17,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:18,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:18,575 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:18,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:19,472 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 12:28:19,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:28:19,625 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 12:28:20,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:20,327 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:20,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:21,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:21,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:21,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:21,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:21,334 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:28:21,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:28:21,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:21,860 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:21,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:22,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:28:22,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:22,832 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:22,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:24,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:24,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:24,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:24,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:24,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:24,103 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:28:24,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:28:24,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:24,741 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:24,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:25,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:25,306 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 12:28:25,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:28:26,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:26,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:26,662 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-12-14 12:28:26,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-12-14 12:28:27,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:27,279 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:27,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:27,729 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:28:27,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:28:36,944 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 12:28:36,977 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 12:28:37,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:37,837 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:37,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:38,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:38,618 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:38,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:39,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:28:39,767 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 12:28:39,857 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 12:28:40,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:40,393 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:40,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:41,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:41,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:41,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:41,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:41,741 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:28:41,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:28:42,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:42,209 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:42,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:43,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:28:43,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:43,633 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:43,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:44,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:44,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:44,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:44,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:44,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:44,882 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:28:44,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:28:45,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:45,584 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:45,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:46,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:46,099 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:46,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:47,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:47,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:47,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:47,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:47,554 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:28:47,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-12-14 12:28:48,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:28:48,167 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:28:48,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:28:48,571 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:28:48,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:29:04,290 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-12-14 12:29:04,291 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:29:13,277 WARN L233 SmtUtils]: Spent 6.76s on a formula simplification. DAG size of input: 640 DAG size of output: 465 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:29:29,466 WARN L233 SmtUtils]: Spent 15.69s on a formula simplification. DAG size of input: 556 DAG size of output: 524 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:29:49,912 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5642#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-12-14 12:29:49,912 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:29:49,913 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:29:49,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 18] total 27 [2022-12-14 12:29:49,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997545797] [2022-12-14 12:29:49,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:29:49,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-14 12:29:49,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:29:49,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-14 12:29:49,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=2104, Unknown=0, NotChecked=0, Total=2352 [2022-12-14 12:29:49,914 INFO L87 Difference]: Start difference. First operand 58 states and 73 transitions. Second operand has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 12:29:52,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:29:54,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:29:54,390 INFO L93 Difference]: Finished difference Result 108 states and 138 transitions. [2022-12-14 12:29:54,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 12:29:54,391 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 75 [2022-12-14 12:29:54,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:29:54,391 INFO L225 Difference]: With dead ends: 108 [2022-12-14 12:29:54,391 INFO L226 Difference]: Without dead ends: 59 [2022-12-14 12:29:54,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 185 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 46.4s TimeCoverageRelationStatistics Valid=318, Invalid=2762, Unknown=0, NotChecked=0, Total=3080 [2022-12-14 12:29:54,392 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 152 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-14 12:29:54,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 220 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-14 12:29:54,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-12-14 12:29:54,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-12-14 12:29:54,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 12:29:54,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2022-12-14 12:29:54,398 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 75 [2022-12-14 12:29:54,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:29:54,399 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2022-12-14 12:29:54,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 12:29:54,399 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2022-12-14 12:29:54,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 12:29:54,399 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:29:54,399 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:29:54,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-12-14 12:29:54,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-14 12:29:54,601 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:29:54,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:29:54,602 INFO L85 PathProgramCache]: Analyzing trace with hash 803973063, now seen corresponding path program 5 times [2022-12-14 12:29:54,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:29:54,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498679870] [2022-12-14 12:29:54,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:29:54,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:29:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:29:55,252 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-12-14 12:29:55,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:29:55,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498679870] [2022-12-14 12:29:55,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498679870] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:29:55,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750101296] [2022-12-14 12:29:55,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:29:55,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:29:55,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:29:55,254 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:29:55,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-14 12:30:18,979 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 12:30:18,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:30:18,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 1815 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 12:30:19,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:30:19,031 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-12-14 12:30:19,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:30:19,063 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-12-14 12:30:19,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750101296] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:30:19,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [733297788] [2022-12-14 12:30:19,065 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 12:30:19,065 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:30:19,065 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:30:19,065 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:30:19,065 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:30:19,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-14 12:30:19,089 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 12:30:19,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-12-14 12:30:19,191 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-12-14 12:30:19,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-12-14 12:30:19,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:30:19,360 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 12:30:19,366 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 12:30:19,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:30:19,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:30:19,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:30:21,368 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 12:30:21,481 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 12:30:21,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:21,715 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:30:21,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:30:22,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:22,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:22,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:22,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:22,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:22,221 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:30:22,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:30:22,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:22,511 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:30:22,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:30:23,329 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 12:30:23,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:30:23,679 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 12:30:24,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:24,282 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:30:24,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:30:25,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:25,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:25,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:25,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:25,305 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:30:25,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:30:25,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:25,830 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:30:25,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:30:26,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:30:26,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:26,861 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:30:26,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:30:28,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:28,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:28,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:28,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:28,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:28,213 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:30:28,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:30:28,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:28,769 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:30:28,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:30:29,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:29,383 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:30:29,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:30:30,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:30,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:30,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:30,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:30,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:30,589 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:30:30,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-12-14 12:30:31,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:31,221 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:30:31,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:30:31,699 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:30:31,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:30:40,254 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 12:30:40,288 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 12:30:41,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:41,133 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:30:41,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:30:41,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:41,830 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:30:41,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:30:42,618 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 12:30:42,700 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 12:30:42,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:30:43,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:43,545 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:30:43,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:30:44,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:44,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:44,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:44,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:44,528 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:30:44,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:30:45,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:45,075 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:30:45,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:30:45,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:30:46,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:46,080 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:30:46,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:30:47,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:47,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:47,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:47,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:47,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:47,289 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:30:47,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:30:47,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:47,904 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:30:47,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:30:48,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:48,437 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:30:48,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:30:49,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:49,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:30:49,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:49,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:49,717 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:30:49,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-12-14 12:30:50,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:30:50,364 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:30:50,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:30:50,728 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:30:50,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:30:59,550 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 12:30:59,716 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 12:31:00,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:31:00,465 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:31:00,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:31:01,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:31:01,219 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:31:01,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:31:02,061 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 12:31:02,250 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 12:31:02,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:31:02,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:31:02,984 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:31:02,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:31:03,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:31:03,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:31:03,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:31:03,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:31:04,016 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:31:04,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:31:04,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:31:04,486 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:31:04,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:31:05,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:31:05,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:31:05,642 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:31:05,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:31:06,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:31:06,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:31:06,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:31:06,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:31:06,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:31:06,800 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:31:06,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:31:07,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:31:07,424 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:31:07,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:31:08,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:31:08,053 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:31:08,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:31:09,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:31:09,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:31:09,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:31:09,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:31:09,338 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:31:09,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-12-14 12:31:09,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:31:09,965 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:31:09,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:31:10,342 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:31:10,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:31:25,858 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-12-14 12:31:25,859 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:31:35,642 WARN L233 SmtUtils]: Spent 7.61s on a formula simplification. DAG size of input: 640 DAG size of output: 465 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:31:45,589 WARN L233 SmtUtils]: Spent 9.65s on a formula simplification. DAG size of input: 556 DAG size of output: 518 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:31:58,341 WARN L233 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:32:07,815 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6425#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-12-14 12:32:07,815 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:32:07,815 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:32:07,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 4] total 13 [2022-12-14 12:32:07,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804155383] [2022-12-14 12:32:07,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:32:07,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 12:32:07,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:32:07,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 12:32:07,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=1007, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 12:32:07,816 INFO L87 Difference]: Start difference. First operand 59 states and 73 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 12:32:10,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:32:10,315 INFO L93 Difference]: Finished difference Result 91 states and 117 transitions. [2022-12-14 12:32:10,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 12:32:10,316 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 76 [2022-12-14 12:32:10,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:32:10,317 INFO L225 Difference]: With dead ends: 91 [2022-12-14 12:32:10,317 INFO L226 Difference]: Without dead ends: 63 [2022-12-14 12:32:10,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 42.0s TimeCoverageRelationStatistics Valid=189, Invalid=1071, Unknown=0, NotChecked=0, Total=1260 [2022-12-14 12:32:10,318 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-14 12:32:10,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-14 12:32:10,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-12-14 12:32:10,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-12-14 12:32:10,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 51 states have (on average 1.1176470588235294) internal successors, (57), 51 states have internal predecessors, (57), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 12:32:10,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2022-12-14 12:32:10,325 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 76 [2022-12-14 12:32:10,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:32:10,325 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2022-12-14 12:32:10,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 12:32:10,326 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2022-12-14 12:32:10,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 12:32:10,326 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:32:10,326 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:32:10,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-14 12:32:10,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-14 12:32:10,528 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:32:10,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:32:10,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1234036373, now seen corresponding path program 6 times [2022-12-14 12:32:10,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:32:10,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872089010] [2022-12-14 12:32:10,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:32:10,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:32:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:32:11,246 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-12-14 12:32:11,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:32:11,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872089010] [2022-12-14 12:32:11,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872089010] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:32:11,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200577444] [2022-12-14 12:32:11,246 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 12:32:11,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:32:11,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:32:11,247 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:32:11,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-14 12:32:11,752 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 12:32:11,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:32:11,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 2215 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-14 12:32:11,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:32:11,844 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 62 proven. 48 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-14 12:32:11,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:32:11,935 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-12-14 12:32:11,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200577444] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:32:11,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [665611018] [2022-12-14 12:32:11,938 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 12:32:11,938 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:32:11,938 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:32:11,938 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:32:11,938 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:32:11,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-14 12:32:11,973 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 12:32:11,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-12-14 12:32:12,081 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-12-14 12:32:12,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-12-14 12:32:12,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:32:12,242 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 12:32:12,254 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 12:32:12,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:32:12,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:32:12,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:32:14,320 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 12:32:14,401 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 12:32:14,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:14,623 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:14,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:15,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:15,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:15,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:15,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:15,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:15,161 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:32:15,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:32:15,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:15,423 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:15,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:16,261 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 12:32:16,356 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 12:32:16,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:32:17,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:17,155 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:17,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:18,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:18,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:18,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:18,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:18,213 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:32:18,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:32:18,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:18,747 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:18,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:19,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:32:19,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:19,755 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:19,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:20,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:20,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:20,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:20,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:20,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:20,994 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:32:20,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:32:21,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:21,643 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:21,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:22,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:22,173 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 12:32:22,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:32:23,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:23,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:23,416 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-12-14 12:32:23,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-12-14 12:32:24,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:24,172 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:24,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:24,576 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:32:24,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:32:33,001 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 12:32:33,081 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 12:32:34,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:34,322 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:34,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:34,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:34,633 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:34,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:35,511 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 12:32:35,648 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 12:32:35,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:32:36,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:36,379 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:36,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:37,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:37,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:37,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:37,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:37,356 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:32:37,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:32:37,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:37,848 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:37,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:38,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:32:38,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:38,919 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:38,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:40,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:40,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:40,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:40,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:40,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:40,151 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:32:40,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:32:40,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:40,759 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:40,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:41,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:41,267 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 12:32:41,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:32:42,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:42,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:42,647 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-12-14 12:32:42,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-12-14 12:32:43,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:43,288 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:43,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:43,675 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:32:43,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:32:52,410 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 12:32:52,533 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 12:32:53,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:53,253 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:53,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:53,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:53,965 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:53,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:54,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:32:55,196 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 12:32:55,272 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 12:32:55,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:55,739 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:55,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:56,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:56,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:56,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:56,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:56,731 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:32:56,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:32:57,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:57,216 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:57,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:57,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:32:58,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:58,212 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:58,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:32:59,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:59,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:59,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:59,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:59,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:59,399 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:32:59,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:32:59,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:59,989 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:32:59,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:33:00,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:33:00,612 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:33:00,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:33:01,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:33:01,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:33:01,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:33:01,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:33:01,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:33:01,827 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:33:01,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-12-14 12:33:02,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:33:02,429 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:33:02,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:33:02,905 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:33:02,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:33:18,348 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-12-14 12:33:18,349 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:33:26,527 WARN L233 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 640 DAG size of output: 460 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:33:39,491 WARN L233 SmtUtils]: Spent 12.55s on a formula simplification. DAG size of input: 556 DAG size of output: 524 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:33:52,173 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:34:00,527 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7208#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-12-14 12:34:00,527 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:34:00,527 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:34:00,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 8] total 21 [2022-12-14 12:34:00,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208841461] [2022-12-14 12:34:00,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:34:00,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-14 12:34:00,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:34:00,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-14 12:34:00,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=1576, Unknown=0, NotChecked=0, Total=1806 [2022-12-14 12:34:00,529 INFO L87 Difference]: Start difference. First operand 63 states and 77 transitions. Second operand has 21 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 21 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 12:34:02,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:34:02,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:34:02,826 INFO L93 Difference]: Finished difference Result 98 states and 123 transitions. [2022-12-14 12:34:02,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 12:34:02,827 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 21 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 80 [2022-12-14 12:34:02,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:34:02,827 INFO L225 Difference]: With dead ends: 98 [2022-12-14 12:34:02,827 INFO L226 Difference]: Without dead ends: 66 [2022-12-14 12:34:02,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 42.3s TimeCoverageRelationStatistics Valid=241, Invalid=1651, Unknown=0, NotChecked=0, Total=1892 [2022-12-14 12:34:02,828 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 12:34:02,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 254 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 296 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 12:34:02,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-12-14 12:34:02,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-12-14 12:34:02,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 54 states have (on average 1.1111111111111112) internal successors, (60), 54 states have internal predecessors, (60), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 12:34:02,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions. [2022-12-14 12:34:02,838 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 80 [2022-12-14 12:34:02,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:34:02,838 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 80 transitions. [2022-12-14 12:34:02,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 21 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 12:34:02,838 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2022-12-14 12:34:02,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-14 12:34:02,839 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:34:02,839 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:34:02,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-12-14 12:34:03,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-14 12:34:03,040 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:34:03,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:34:03,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1718855140, now seen corresponding path program 7 times [2022-12-14 12:34:03,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:34:03,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052268381] [2022-12-14 12:34:03,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:34:03,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:34:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:34:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-12-14 12:34:03,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:34:03,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052268381] [2022-12-14 12:34:03,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052268381] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:34:03,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573590050] [2022-12-14 12:34:03,708 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-14 12:34:03,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:34:03,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:34:03,709 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:34:03,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406bd92-5838-4f38-8c42-5b6a9753a6cc/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-14 12:34:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:34:04,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 2236 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 12:34:04,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:34:04,410 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 62 proven. 40 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-12-14 12:34:04,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:34:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-12-14 12:34:04,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573590050] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:34:04,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [124123390] [2022-12-14 12:34:04,504 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 12:34:04,504 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:34:04,504 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:34:04,504 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:34:04,504 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:34:04,521 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 12:34:04,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-14 12:34:04,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:34:04,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:04,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 329 treesize of output 328 [2022-12-14 12:34:04,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:34:04,764 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 12:34:04,772 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 12:34:04,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-12-14 12:34:04,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:34:04,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 12:34:06,827 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 12:34:06,885 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 12:34:07,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:07,120 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:07,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:07,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:07,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:07,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:07,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:07,616 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:34:07,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:34:07,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:07,882 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:07,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:08,675 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 12:34:08,797 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 12:34:09,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:34:09,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:09,680 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:09,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:10,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:10,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:10,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:10,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:10,598 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:34:10,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:34:11,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:11,102 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:11,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:11,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:34:12,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:12,169 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:12,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:13,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:13,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:13,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:13,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:13,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:13,403 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:34:13,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:34:13,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:13,963 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:13,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:14,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:14,547 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 12:34:14,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:34:15,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:15,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:15,982 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-12-14 12:34:15,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-12-14 12:34:16,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:16,743 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:16,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:17,099 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:34:17,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:34:25,699 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 12:34:25,842 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 12:34:26,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:26,924 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:26,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:27,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:27,245 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:27,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:28,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:34:28,195 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 12:34:28,267 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 12:34:29,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:29,017 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:29,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:29,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:29,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:29,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:29,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:29,947 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:34:29,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:34:30,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:30,490 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:30,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:30,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:34:31,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:31,476 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:31,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:32,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:32,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:32,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:32,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:32,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:32,673 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:34:32,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:34:33,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:33,355 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:33,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:33,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:33,905 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:33,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:35,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:35,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:35,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:35,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:35,119 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:34:35,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-12-14 12:34:35,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:35,743 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:35,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:36,240 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:34:36,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:34:44,814 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 12:34:44,863 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 12:34:45,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:45,713 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:45,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:46,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:46,378 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:46,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:47,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:34:47,543 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 12:34:47,668 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 12:34:48,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:48,176 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:48,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:49,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:49,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:49,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:49,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:49,157 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:34:49,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:34:49,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:49,620 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:49,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:50,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:34:50,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:50,681 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:50,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:51,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:51,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:51,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:51,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:51,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:51,887 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 12:34:51,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-12-14 12:34:52,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:52,548 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:52,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:53,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:53,189 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 12:34:53,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:34:54,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:54,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:54,472 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-12-14 12:34:54,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-12-14 12:34:55,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:34:55,113 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:34:55,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-12-14 12:34:55,569 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:34:55,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 12:35:10,985 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-12-14 12:35:10,986 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:35:19,508 WARN L233 SmtUtils]: Spent 6.58s on a formula simplification. DAG size of input: 640 DAG size of output: 465 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)