./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43c551c05c986c34609f999e25a13e0dbb4f692e7b1d3b7f2939ec615c71d0d0 --- 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-38b53e6 [2022-11-26 01:09:13,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:09:13,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:09:13,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:09:13,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:09:13,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:09:13,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:09:13,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:09:13,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:09:13,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:09:13,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:09:13,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:09:13,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:09:13,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:09:13,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:09:13,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:09:13,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:09:13,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:09:13,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:09:13,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:09:13,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:09:13,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:09:13,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:09:13,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:09:13,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:09:13,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:09:13,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:09:13,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:09:13,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:09:13,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:09:13,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:09:13,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:09:13,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:09:13,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:09:13,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:09:13,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:09:13,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:09:13,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:09:13,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:09:13,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:09:13,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:09:13,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 01:09:13,395 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:09:13,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:09:13,396 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:09:13,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:09:13,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:09:13,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:09:13,397 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:09:13,397 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:09:13,397 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:09:13,398 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:09:13,398 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:09:13,398 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:09:13,398 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:09:13,398 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:09:13,398 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:09:13,399 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:09:13,399 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:09:13,399 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:09:13,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:09:13,400 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 01:09:13,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:09:13,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 01:09:13,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:09:13,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:09:13,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:09:13,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:09:13,401 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 01:09:13,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:09:13,401 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:09:13,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:09:13,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:09:13,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:09:13,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:09:13,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:09:13,403 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:09:13,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:09:13,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:09:13,403 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:09:13,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:09:13,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:09:13,404 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:09:13,404 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_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43c551c05c986c34609f999e25a13e0dbb4f692e7b1d3b7f2939ec615c71d0d0 [2022-11-26 01:09:13,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:09:13,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:09:13,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:09:13,710 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:09:13,711 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:09:13,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i [2022-11-26 01:09:16,684 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:09:17,011 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:09:17,015 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i [2022-11-26 01:09:17,035 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/data/34efacd2d/51268add41704081bdb92e9329d2d7ce/FLAG74ed469cc [2022-11-26 01:09:17,056 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/data/34efacd2d/51268add41704081bdb92e9329d2d7ce [2022-11-26 01:09:17,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:09:17,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:09:17,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:09:17,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:09:17,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:09:17,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:09:17" (1/1) ... [2022-11-26 01:09:17,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b6ac9bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:17, skipping insertion in model container [2022-11-26 01:09:17,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:09:17" (1/1) ... [2022-11-26 01:09:17,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:09:17,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:09:17,772 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_43f46a98-9266-48ef-9bdd-49a97cf2a652/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i[33022,33035] [2022-11-26 01:09:17,957 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 01:09:17,972 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 01:09:17,986 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 01:09:18,000 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 01:09:18,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:09:18,020 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:09:18,049 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_43f46a98-9266-48ef-9bdd-49a97cf2a652/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i[33022,33035] [2022-11-26 01:09:18,108 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 01:09:18,128 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 01:09:18,140 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 01:09:18,150 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 01:09:18,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:09:18,191 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:09:18,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:18 WrapperNode [2022-11-26 01:09:18,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:09:18,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:09:18,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:09:18,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:09:18,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:18" (1/1) ... [2022-11-26 01:09:18,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:18" (1/1) ... [2022-11-26 01:09:18,386 INFO L138 Inliner]: procedures = 177, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2167 [2022-11-26 01:09:18,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:09:18,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:09:18,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:09:18,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:09:18,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:18" (1/1) ... [2022-11-26 01:09:18,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:18" (1/1) ... [2022-11-26 01:09:18,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:18" (1/1) ... [2022-11-26 01:09:18,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:18" (1/1) ... [2022-11-26 01:09:18,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:18" (1/1) ... [2022-11-26 01:09:18,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:18" (1/1) ... [2022-11-26 01:09:18,553 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:18" (1/1) ... [2022-11-26 01:09:18,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:18" (1/1) ... [2022-11-26 01:09:18,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:09:18,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:09:18,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:09:18,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:09:18,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:18" (1/1) ... [2022-11-26 01:09:18,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:09:18,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:09:18,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:09:18,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:09:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2022-11-26 01:09:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2022-11-26 01:09:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 01:09:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 01:09:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 01:09:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 01:09:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 01:09:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 01:09:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 01:09:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:09:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 01:09:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:09:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-26 01:09:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 01:09:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:09:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:09:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:09:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:09:19,002 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:09:19,005 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:09:21,634 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:09:22,472 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:09:22,473 INFO L300 CfgBuilder]: Removed 151 assume(true) statements. [2022-11-26 01:09:22,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:09:22 BoogieIcfgContainer [2022-11-26 01:09:22,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:09:22,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:09:22,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:09:22,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:09:22,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:09:17" (1/3) ... [2022-11-26 01:09:22,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a56c5a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:09:22, skipping insertion in model container [2022-11-26 01:09:22,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:18" (2/3) ... [2022-11-26 01:09:22,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a56c5a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:09:22, skipping insertion in model container [2022-11-26 01:09:22,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:09:22" (3/3) ... [2022-11-26 01:09:22,492 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test10-1.i [2022-11-26 01:09:22,516 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:09:22,517 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 01:09:22,596 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:09:22,604 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;@5569ffed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:09:22,605 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 01:09:22,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 251 states, 232 states have (on average 1.8275862068965518) internal successors, (424), 237 states have internal predecessors, (424), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-26 01:09:22,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 01:09:22,632 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:09:22,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:09:22,634 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:09:22,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:09:22,642 INFO L85 PathProgramCache]: Analyzing trace with hash 57065197, now seen corresponding path program 1 times [2022-11-26 01:09:22,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:09:22,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987037709] [2022-11-26 01:09:22,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:22,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:09:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:09:22,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:09:22,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:09:22,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987037709] [2022-11-26 01:09:22,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987037709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:09:22,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:09:22,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:09:22,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775497725] [2022-11-26 01:09:22,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:09:22,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 01:09:22,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:09:22,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 01:09:22,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:09:22,923 INFO L87 Difference]: Start difference. First operand has 251 states, 232 states have (on average 1.8275862068965518) internal successors, (424), 237 states have internal predecessors, (424), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:09:24,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 01:09:24,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:09:24,665 INFO L93 Difference]: Finished difference Result 501 states and 911 transitions. [2022-11-26 01:09:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 01:09:24,667 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 01:09:24,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:09:24,679 INFO L225 Difference]: With dead ends: 501 [2022-11-26 01:09:24,680 INFO L226 Difference]: Without dead ends: 249 [2022-11-26 01:09:24,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:09:24,687 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 279 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 [2022-11-26 01:09:24,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 279 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 01:09:24,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-11-26 01:09:24,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-11-26 01:09:24,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 231 states have (on average 1.199134199134199) internal successors, (277), 236 states have internal predecessors, (277), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-26 01:09:24,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 304 transitions. [2022-11-26 01:09:24,773 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 304 transitions. Word has length 12 [2022-11-26 01:09:24,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:09:24,774 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 304 transitions. [2022-11-26 01:09:24,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:09:24,775 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 304 transitions. [2022-11-26 01:09:24,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 01:09:24,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:09:24,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:09:24,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:09:24,780 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:09:24,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:09:24,782 INFO L85 PathProgramCache]: Analyzing trace with hash -344877955, now seen corresponding path program 1 times [2022-11-26 01:09:24,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:09:24,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536660023] [2022-11-26 01:09:24,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:24,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:09:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:09:25,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:09:25,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:09:25,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536660023] [2022-11-26 01:09:25,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536660023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:09:25,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:09:25,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:09:25,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517366215] [2022-11-26 01:09:25,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:09:25,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:09:25,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:09:25,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:09:25,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:09:25,217 INFO L87 Difference]: Start difference. First operand 249 states and 304 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:09:29,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 01:09:31,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 01:09:31,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:09:31,995 INFO L93 Difference]: Finished difference Result 425 states and 521 transitions. [2022-11-26 01:09:31,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:09:31,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 01:09:31,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:09:31,998 INFO L225 Difference]: With dead ends: 425 [2022-11-26 01:09:31,998 INFO L226 Difference]: Without dead ends: 276 [2022-11-26 01:09:31,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:09:32,001 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 27 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-26 01:09:32,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 766 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-11-26 01:09:32,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-11-26 01:09:32,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 251. [2022-11-26 01:09:32,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 233 states have (on average 1.1974248927038627) internal successors, (279), 238 states have internal predecessors, (279), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-26 01:09:32,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 306 transitions. [2022-11-26 01:09:32,061 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 306 transitions. Word has length 24 [2022-11-26 01:09:32,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:09:32,062 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 306 transitions. [2022-11-26 01:09:32,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:09:32,062 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 306 transitions. [2022-11-26 01:09:32,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-26 01:09:32,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:09:32,070 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:09:32,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 01:09:32,070 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:09:32,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:09:32,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1076919952, now seen corresponding path program 1 times [2022-11-26 01:09:32,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:09:32,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026844355] [2022-11-26 01:09:32,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:32,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:09:32,290 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:09:32,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [387465821] [2022-11-26 01:09:32,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:32,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:09:32,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:09:32,298 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:09:32,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 01:09:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:09:33,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:09:33,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:09:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:09:33,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:09:33,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:09:33,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026844355] [2022-11-26 01:09:33,308 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:09:33,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387465821] [2022-11-26 01:09:33,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387465821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:09:33,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:09:33,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:09:33,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327629245] [2022-11-26 01:09:33,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:09:33,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:09:33,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:09:33,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:09:33,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:09:33,312 INFO L87 Difference]: Start difference. First operand 251 states and 306 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:09:34,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:09:34,819 INFO L93 Difference]: Finished difference Result 614 states and 746 transitions. [2022-11-26 01:09:34,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:09:34,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-11-26 01:09:34,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:09:34,824 INFO L225 Difference]: With dead ends: 614 [2022-11-26 01:09:34,825 INFO L226 Difference]: Without dead ends: 366 [2022-11-26 01:09:34,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:09:34,827 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 119 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 01:09:34,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 547 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 01:09:34,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-11-26 01:09:34,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 362. [2022-11-26 01:09:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 339 states have (on average 1.1799410029498525) internal successors, (400), 344 states have internal predecessors, (400), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-26 01:09:34,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 437 transitions. [2022-11-26 01:09:34,855 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 437 transitions. Word has length 49 [2022-11-26 01:09:34,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:09:34,855 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 437 transitions. [2022-11-26 01:09:34,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:09:34,856 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 437 transitions. [2022-11-26 01:09:34,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-26 01:09:34,858 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:09:34,859 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:09:34,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 01:09:35,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:09:35,079 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:09:35,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:09:35,080 INFO L85 PathProgramCache]: Analyzing trace with hash -887951383, now seen corresponding path program 1 times [2022-11-26 01:09:35,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:09:35,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374263843] [2022-11-26 01:09:35,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:35,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:09:35,175 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:09:35,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1708039108] [2022-11-26 01:09:35,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:35,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:09:35,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:09:35,177 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:09:35,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 01:09:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:09:35,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-26 01:09:35,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:09:35,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 01:09:35,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 01:09:36,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:09:36,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-26 01:09:36,047 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 01:09:36,047 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:09:36,048 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:09:36,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374263843] [2022-11-26 01:09:36,049 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:09:36,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708039108] [2022-11-26 01:09:36,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708039108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:09:36,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:09:36,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:09:36,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087465271] [2022-11-26 01:09:36,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:09:36,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:09:36,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:09:36,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:09:36,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:09:36,052 INFO L87 Difference]: Start difference. First operand 362 states and 437 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 01:09:38,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 01:09:39,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 01:09:41,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:09:41,992 INFO L93 Difference]: Finished difference Result 674 states and 815 transitions. [2022-11-26 01:09:41,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:09:41,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 62 [2022-11-26 01:09:41,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:09:41,995 INFO L225 Difference]: With dead ends: 674 [2022-11-26 01:09:41,995 INFO L226 Difference]: Without dead ends: 362 [2022-11-26 01:09:41,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:09:41,998 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 13 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:09:41,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 766 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-11-26 01:09:41,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-11-26 01:09:42,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2022-11-26 01:09:42,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 339 states have (on average 1.176991150442478) internal successors, (399), 344 states have internal predecessors, (399), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-26 01:09:42,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 436 transitions. [2022-11-26 01:09:42,038 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 436 transitions. Word has length 62 [2022-11-26 01:09:42,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:09:42,042 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 436 transitions. [2022-11-26 01:09:42,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 01:09:42,042 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 436 transitions. [2022-11-26 01:09:42,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-26 01:09:42,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:09:42,045 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:09:42,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 01:09:42,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:09:42,251 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:09:42,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:09:42,252 INFO L85 PathProgramCache]: Analyzing trace with hash -685995049, now seen corresponding path program 1 times [2022-11-26 01:09:42,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:09:42,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258050233] [2022-11-26 01:09:42,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:42,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:09:42,431 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:09:42,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [306712390] [2022-11-26 01:09:42,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:42,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:09:42,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:09:42,433 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:09:42,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 01:09:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:09:43,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 2300 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:09:43,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:09:43,742 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 01:09:43,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:09:43,742 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:09:43,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258050233] [2022-11-26 01:09:43,743 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:09:43,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306712390] [2022-11-26 01:09:43,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306712390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:09:43,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:09:43,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:09:43,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624693900] [2022-11-26 01:09:43,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:09:43,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:09:43,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:09:43,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:09:43,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:09:43,746 INFO L87 Difference]: Start difference. First operand 362 states and 436 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 01:09:45,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:09:45,871 INFO L93 Difference]: Finished difference Result 820 states and 988 transitions. [2022-11-26 01:09:45,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:09:45,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 83 [2022-11-26 01:09:45,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:09:45,874 INFO L225 Difference]: With dead ends: 820 [2022-11-26 01:09:45,875 INFO L226 Difference]: Without dead ends: 484 [2022-11-26 01:09:45,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:09:45,876 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 110 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:09:45,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 531 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 01:09:45,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2022-11-26 01:09:45,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 429. [2022-11-26 01:09:45,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 403 states have (on average 1.1687344913151365) internal successors, (471), 408 states have internal predecessors, (471), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2022-11-26 01:09:45,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 514 transitions. [2022-11-26 01:09:45,900 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 514 transitions. Word has length 83 [2022-11-26 01:09:45,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:09:45,900 INFO L495 AbstractCegarLoop]: Abstraction has 429 states and 514 transitions. [2022-11-26 01:09:45,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 01:09:45,900 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 514 transitions. [2022-11-26 01:09:45,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-26 01:09:45,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:09:45,903 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:09:45,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 01:09:46,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:09:46,114 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:09:46,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:09:46,115 INFO L85 PathProgramCache]: Analyzing trace with hash -397116236, now seen corresponding path program 1 times [2022-11-26 01:09:46,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:09:46,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071935316] [2022-11-26 01:09:46,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:46,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:09:46,222 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:09:46,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1698217948] [2022-11-26 01:09:46,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:46,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:09:46,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:09:46,225 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:09:46,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 01:09:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:09:47,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:09:47,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:09:47,442 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-26 01:09:47,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:09:47,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:09:47,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071935316] [2022-11-26 01:09:47,443 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:09:47,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698217948] [2022-11-26 01:09:47,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698217948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:09:47,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:09:47,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:09:47,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347194460] [2022-11-26 01:09:47,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:09:47,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:09:47,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:09:47,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:09:47,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:09:47,446 INFO L87 Difference]: Start difference. First operand 429 states and 514 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 01:09:48,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:09:48,293 INFO L93 Difference]: Finished difference Result 719 states and 867 transitions. [2022-11-26 01:09:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:09:48,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 96 [2022-11-26 01:09:48,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:09:48,296 INFO L225 Difference]: With dead ends: 719 [2022-11-26 01:09:48,296 INFO L226 Difference]: Without dead ends: 351 [2022-11-26 01:09:48,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:09:48,298 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 438 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 01:09:48,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 329 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 01:09:48,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2022-11-26 01:09:48,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2022-11-26 01:09:48,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 330 states have (on average 1.1666666666666667) internal successors, (385), 335 states have internal predecessors, (385), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 01:09:48,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 418 transitions. [2022-11-26 01:09:48,321 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 418 transitions. Word has length 96 [2022-11-26 01:09:48,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:09:48,322 INFO L495 AbstractCegarLoop]: Abstraction has 351 states and 418 transitions. [2022-11-26 01:09:48,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 01:09:48,322 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 418 transitions. [2022-11-26 01:09:48,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-26 01:09:48,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:09:48,325 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:09:48,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 01:09:48,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:09:48,536 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:09:48,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:09:48,536 INFO L85 PathProgramCache]: Analyzing trace with hash -2128847042, now seen corresponding path program 1 times [2022-11-26 01:09:48,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:09:48,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723930595] [2022-11-26 01:09:48,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:48,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:09:48,636 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:09:48,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1111300286] [2022-11-26 01:09:48,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:48,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:09:48,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:09:48,638 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:09:48,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 01:10:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:10:19,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:10:19,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:10:19,812 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 01:10:19,815 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:10:19,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:10:19,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723930595] [2022-11-26 01:10:19,815 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:10:19,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111300286] [2022-11-26 01:10:19,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111300286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:10:19,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:10:19,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:10:19,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540172017] [2022-11-26 01:10:19,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:10:19,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:10:19,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:10:19,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:10:19,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:10:19,819 INFO L87 Difference]: Start difference. First operand 351 states and 418 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 01:10:24,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 01:10:25,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 01:10:26,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:10:26,056 INFO L93 Difference]: Finished difference Result 684 states and 823 transitions. [2022-11-26 01:10:26,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:10:26,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 103 [2022-11-26 01:10:26,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:10:26,060 INFO L225 Difference]: With dead ends: 684 [2022-11-26 01:10:26,060 INFO L226 Difference]: Without dead ends: 353 [2022-11-26 01:10:26,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:10:26,062 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 1 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:10:26,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 812 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-11-26 01:10:26,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2022-11-26 01:10:26,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2022-11-26 01:10:26,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 331 states have (on average 1.1691842900302114) internal successors, (387), 337 states have internal predecessors, (387), 17 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (19), 13 states have call predecessors, (19), 16 states have call successors, (19) [2022-11-26 01:10:26,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 423 transitions. [2022-11-26 01:10:26,091 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 423 transitions. Word has length 103 [2022-11-26 01:10:26,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:10:26,091 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 423 transitions. [2022-11-26 01:10:26,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 01:10:26,092 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 423 transitions. [2022-11-26 01:10:26,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-26 01:10:26,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:10:26,094 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:10:26,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 01:10:26,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-26 01:10:26,319 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:10:26,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:10:26,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1518494194, now seen corresponding path program 1 times [2022-11-26 01:10:26,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:10:26,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136828152] [2022-11-26 01:10:26,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:10:26,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:10:26,450 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:10:26,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1450990415] [2022-11-26 01:10:26,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:10:26,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:10:26,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:10:26,453 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:10:26,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f46a98-9266-48ef-9bdd-49a97cf2a652/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 01:22:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:22:34,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 1523 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-26 01:22:34,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:22:34,833 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-26 01:22:34,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:22:34,956 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 01:22:34,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:22:34,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136828152] [2022-11-26 01:22:34,956 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:22:34,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450990415] [2022-11-26 01:22:34,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450990415] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:22:34,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [839327762] [2022-11-26 01:22:34,980 INFO L159 IcfgInterpreter]: Started Sifa with 93 locations of interest [2022-11-26 01:22:34,980 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:22:34,984 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:22:34,988 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:22:34,988 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:22:35,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:35,304 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 01:22:35,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-26 01:22:35,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:35,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 01:22:35,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:22:35,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:22:35,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:35,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-26 01:22:35,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:35,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 01:22:35,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:35,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 01:22:35,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:35,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:35,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:35,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:35,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:35,418 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 01:22:35,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2022-11-26 01:22:35,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:35,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:35,466 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 01:22:35,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-26 01:22:35,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:35,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:35,522 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 01:22:35,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 01:22:35,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 01:22:36,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 01:22:36,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897016 treesize of output 5376291 [2022-11-26 01:22:36,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-11-26 01:22:36,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 01:22:36,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 9897022 treesize of output 5376303 [2022-11-26 01:22:36,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 9897022 treesize of output 5376303 [2022-11-26 01:22:36,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 01:22:36,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 01:22:36,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,476 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 01:22:36,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-26 01:22:36,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,559 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 01:22:36,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-26 01:22:36,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 01:22:36,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:36,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 9897022 treesize of output 5376303 [2022-11-26 01:22:36,922 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 14 treesize of output 10 [2022-11-26 01:22:36,927 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 14 treesize of output 10 [2022-11-26 01:22:36,936 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 16 treesize of output 12 [2022-11-26 01:22:36,963 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 66 treesize of output 65 [2022-11-26 01:22:36,971 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 64 treesize of output 63 [2022-11-26 01:22:36,979 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 64 treesize of output 63 [2022-11-26 01:22:37,001 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 16 treesize of output 12 [2022-11-26 01:22:37,007 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 14 treesize of output 10 [2022-11-26 01:22:37,013 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 14 treesize of output 10 [2022-11-26 01:22:37,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 01:22:37,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 01:22:37,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376221 [2022-11-26 01:22:37,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 01:22:37,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 01:22:37,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:22:37,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376221 [2022-11-26 01:22:39,052 INFO L217 Elim1Store]: Index analysis took 1256 ms [2022-11-26 01:22:41,201 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-26 01:22:41,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519784 treesize of output 9519788 [2022-11-26 01:22:41,864 INFO L217 Elim1Store]: Index analysis took 488 ms [2022-11-26 01:22:45,503 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-26 01:22:45,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519789 treesize of output 9519792 [2022-11-26 01:22:51,706 WARN L233 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:22:51,707 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 01:22:51,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-26 01:22:51,917 INFO L217 Elim1Store]: Index analysis took 129 ms [2022-11-26 01:23:08,795 WARN L233 SmtUtils]: Spent 16.87s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:23:08,796 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 01:23:08,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1819 [2022-11-26 01:23:09,662 INFO L217 Elim1Store]: Index analysis took 649 ms [2022-11-26 01:23:23,835 WARN L233 SmtUtils]: Spent 13.81s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:23:23,836 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 01:23:23,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-26 01:23:24,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:23:25,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:23:25,029 INFO L217 Elim1Store]: Index analysis took 362 ms [2022-11-26 01:23:25,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 87 [2022-11-26 01:23:25,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:23:25,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:23:25,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:23:25,248 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:23:26,027 INFO L217 Elim1Store]: Index analysis took 101 ms [2022-11-26 01:23:26,451 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 01:23:26,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-26 01:23:26,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-26 01:23:27,057 INFO L217 Elim1Store]: Index analysis took 245 ms [2022-11-26 01:23:27,868 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 01:23:27,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-26 01:23:28,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:23:28,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-26 01:23:28,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:23:28,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:23:28,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 01:23:28,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:23:28,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-26 01:23:30,037 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:23:31,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:23:31,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:23:31,094 INFO L217 Elim1Store]: Index analysis took 123 ms [2022-11-26 01:23:31,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 01:23:31,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:23:31,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-26 01:23:34,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:23:34,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-26 01:23:35,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:23:35,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:23:35,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 01:23:35,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:23:35,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13