./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS --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 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b --- 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-8393723 [2022-11-19 06:39:40,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:39:40,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:39:40,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:39:40,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:39:40,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:39:40,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:39:40,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:39:40,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:39:40,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:39:40,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:39:40,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:39:40,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:39:40,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:39:40,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:39:40,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:39:40,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:39:40,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:39:40,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:39:40,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:39:40,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:39:40,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:39:40,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:39:40,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:39:40,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:39:40,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:39:40,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:39:40,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:39:40,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:39:40,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:39:40,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:39:40,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:39:40,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:39:40,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:39:40,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:39:40,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:39:40,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:39:40,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:39:40,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:39:40,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:39:40,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:39:40,443 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 06:39:40,479 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:39:40,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:39:40,481 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:39:40,481 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:39:40,482 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:39:40,482 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:39:40,482 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:39:40,483 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:39:40,483 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:39:40,483 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:39:40,484 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:39:40,484 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:39:40,485 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:39:40,485 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:39:40,485 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:39:40,485 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:39:40,486 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:39:40,486 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:39:40,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:39:40,487 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:39:40,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:39:40,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:39:40,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:39:40,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:39:40,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:39:40,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:39:40,488 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:39:40,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:39:40,489 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:39:40,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:39:40,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:39:40,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:39:40,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:39:40,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:39:40,490 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:39:40,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:39:40,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:39:40,491 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:39:40,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:39:40,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:39:40,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:39:40,492 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_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b [2022-11-19 06:39:40,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:39:40,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:39:40,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:39:40,824 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:39:40,825 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:39:40,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2022-11-19 06:39:40,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/data/80f12ef75/75a30eb0f4794456b5065e8aa966a8ed/FLAG8a3d6eba9 [2022-11-19 06:39:41,573 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:39:41,574 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2022-11-19 06:39:41,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/data/80f12ef75/75a30eb0f4794456b5065e8aa966a8ed/FLAG8a3d6eba9 [2022-11-19 06:39:41,852 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/data/80f12ef75/75a30eb0f4794456b5065e8aa966a8ed [2022-11-19 06:39:41,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:39:41,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:39:41,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:39:41,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:39:41,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:39:41,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:39:41" (1/1) ... [2022-11-19 06:39:41,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49909f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:41, skipping insertion in model container [2022-11-19 06:39:41,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:39:41" (1/1) ... [2022-11-19 06:39:41,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:39:41,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:39:42,404 WARN L234 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_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2022-11-19 06:39:42,508 WARN L234 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_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2022-11-19 06:39:42,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:39:42,523 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:39:42,551 WARN L234 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_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2022-11-19 06:39:42,624 WARN L234 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_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2022-11-19 06:39:42,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:39:42,691 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:39:42,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:42 WrapperNode [2022-11-19 06:39:42,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:39:42,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:39:42,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:39:42,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:39:42,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:42" (1/1) ... [2022-11-19 06:39:42,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:42" (1/1) ... [2022-11-19 06:39:42,806 INFO L138 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 880 [2022-11-19 06:39:42,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:39:42,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:39:42,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:39:42,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:39:42,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:42" (1/1) ... [2022-11-19 06:39:42,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:42" (1/1) ... [2022-11-19 06:39:42,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:42" (1/1) ... [2022-11-19 06:39:42,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:42" (1/1) ... [2022-11-19 06:39:42,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:42" (1/1) ... [2022-11-19 06:39:42,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:42" (1/1) ... [2022-11-19 06:39:42,920 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:42" (1/1) ... [2022-11-19 06:39:42,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:42" (1/1) ... [2022-11-19 06:39:42,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:39:42,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:39:42,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:39:42,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:39:42,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:42" (1/1) ... [2022-11-19 06:39:42,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:39:42,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:39:42,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:39:42,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:39:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:39:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:39:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:39:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 06:39:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:39:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:39:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:39:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 06:39:43,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 06:39:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:39:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:39:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:39:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:39:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:39:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:39:43,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:39:43,313 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:39:43,315 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:39:44,661 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:39:44,953 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:39:44,953 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-19 06:39:44,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:39:44 BoogieIcfgContainer [2022-11-19 06:39:44,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:39:44,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:39:44,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:39:44,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:39:44,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:39:41" (1/3) ... [2022-11-19 06:39:44,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c6def2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:39:44, skipping insertion in model container [2022-11-19 06:39:44,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:39:42" (2/3) ... [2022-11-19 06:39:44,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c6def2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:39:44, skipping insertion in model container [2022-11-19 06:39:44,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:39:44" (3/3) ... [2022-11-19 06:39:44,964 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test2-1.i [2022-11-19 06:39:44,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:39:44,983 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-19 06:39:45,031 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:39:45,038 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;@48256b50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:39:45,038 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-19 06:39:45,042 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 06:39:45,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 06:39:45,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:45,050 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:45,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:45,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:45,055 INFO L85 PathProgramCache]: Analyzing trace with hash -22795765, now seen corresponding path program 1 times [2022-11-19 06:39:45,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:39:45,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538036933] [2022-11-19 06:39:45,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:45,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:39:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:45,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:45,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:39:45,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538036933] [2022-11-19 06:39:45,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538036933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:45,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:45,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:39:45,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385962906] [2022-11-19 06:39:45,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:45,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 06:39:45,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:39:45,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 06:39:45,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:39:45,270 INFO L87 Difference]: Start difference. First operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:45,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:45,703 INFO L93 Difference]: Finished difference Result 217 states and 382 transitions. [2022-11-19 06:39:45,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 06:39:45,710 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-19 06:39:45,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:45,723 INFO L225 Difference]: With dead ends: 217 [2022-11-19 06:39:45,723 INFO L226 Difference]: Without dead ends: 107 [2022-11-19 06:39:45,727 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 [2022-11-19 06:39:45,730 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:45,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:39:45,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-19 06:39:45,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-11-19 06:39:45,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 101 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 06:39:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2022-11-19 06:39:45,774 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2022-11-19 06:39:45,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:45,774 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2022-11-19 06:39:45,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:45,775 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2022-11-19 06:39:45,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 06:39:45,776 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:45,777 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] [2022-11-19 06:39:45,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:39:45,777 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:45,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:45,778 INFO L85 PathProgramCache]: Analyzing trace with hash -615084539, now seen corresponding path program 1 times [2022-11-19 06:39:45,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:39:45,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143240755] [2022-11-19 06:39:45,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:45,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:39:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:46,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:46,179 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:39:46,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143240755] [2022-11-19 06:39:46,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143240755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:46,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:46,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:39:46,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134435328] [2022-11-19 06:39:46,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:46,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:39:46,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:39:46,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:39:46,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:39:46,183 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:48,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:48,326 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2022-11-19 06:39:48,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:39:48,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-19 06:39:48,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:48,334 INFO L225 Difference]: With dead ends: 222 [2022-11-19 06:39:48,334 INFO L226 Difference]: Without dead ends: 168 [2022-11-19 06:39:48,335 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 [2022-11-19 06:39:48,336 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 66 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:48,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 316 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-19 06:39:48,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-19 06:39:48,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2022-11-19 06:39:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 103 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 06:39:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2022-11-19 06:39:48,354 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2022-11-19 06:39:48,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:48,354 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2022-11-19 06:39:48,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:48,355 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2022-11-19 06:39:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 06:39:48,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:48,358 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] [2022-11-19 06:39:48,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:39:48,359 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:48,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:48,360 INFO L85 PathProgramCache]: Analyzing trace with hash -711191121, now seen corresponding path program 1 times [2022-11-19 06:39:48,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:39:48,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420554547] [2022-11-19 06:39:48,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:48,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:39:48,538 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:39:48,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [713001711] [2022-11-19 06:39:48,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:48,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:39:48,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:39:48,543 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:39:48,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:39:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:49,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 06:39:49,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:39:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:49,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:39:49,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:39:49,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420554547] [2022-11-19 06:39:49,539 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:39:49,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713001711] [2022-11-19 06:39:49,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713001711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:49,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:49,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:39:49,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016232612] [2022-11-19 06:39:49,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:49,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:39:49,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:39:49,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:39:49,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:39:49,549 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:50,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:50,179 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2022-11-19 06:39:50,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:39:50,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-11-19 06:39:50,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:50,184 INFO L225 Difference]: With dead ends: 260 [2022-11-19 06:39:50,184 INFO L226 Difference]: Without dead ends: 154 [2022-11-19 06:39:50,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:39:50,186 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 43 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:50,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 06:39:50,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-11-19 06:39:50,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2022-11-19 06:39:50,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 146 states have internal predecessors, (164), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 06:39:50,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2022-11-19 06:39:50,202 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2022-11-19 06:39:50,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:50,203 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2022-11-19 06:39:50,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:50,203 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2022-11-19 06:39:50,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-19 06:39:50,205 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:50,205 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] [2022-11-19 06:39:50,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 06:39:50,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:39:50,415 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:50,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:50,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1770866427, now seen corresponding path program 1 times [2022-11-19 06:39:50,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:39:50,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936908305] [2022-11-19 06:39:50,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:50,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:39:50,492 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:39:50,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [743670083] [2022-11-19 06:39:50,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:50,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:39:50,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:39:50,494 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:39:50,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:39:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:51,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 06:39:51,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:39:51,181 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 06:39:51,181 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:39:51,182 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:39:51,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936908305] [2022-11-19 06:39:51,182 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:39:51,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743670083] [2022-11-19 06:39:51,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743670083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:51,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:51,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:39:51,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359263797] [2022-11-19 06:39:51,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:51,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:39:51,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:39:51,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:39:51,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:39:51,185 INFO L87 Difference]: Start difference. First operand 152 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:39:51,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:51,702 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2022-11-19 06:39:51,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:39:51,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-19 06:39:51,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:51,705 INFO L225 Difference]: With dead ends: 258 [2022-11-19 06:39:51,705 INFO L226 Difference]: Without dead ends: 122 [2022-11-19 06:39:51,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:39:51,707 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 163 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:51,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 153 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:39:51,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-19 06:39:51,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-11-19 06:39:51,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 116 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 06:39:51,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2022-11-19 06:39:51,721 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2022-11-19 06:39:51,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:51,722 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2022-11-19 06:39:51,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:39:51,722 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2022-11-19 06:39:51,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-19 06:39:51,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:51,724 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] [2022-11-19 06:39:51,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:39:51,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:39:51,933 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:51,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:51,933 INFO L85 PathProgramCache]: Analyzing trace with hash -2135358000, now seen corresponding path program 1 times [2022-11-19 06:39:51,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:39:51,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036859756] [2022-11-19 06:39:51,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:51,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:39:52,023 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:39:52,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [369376714] [2022-11-19 06:39:52,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:52,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:39:52,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:39:52,025 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:39:52,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 06:40:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:16,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 06:40:16,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:40:16,486 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 06:40:16,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:40:16,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:40:16,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036859756] [2022-11-19 06:40:16,487 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:40:16,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369376714] [2022-11-19 06:40:16,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369376714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:40:16,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:40:16,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:40:16,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790086332] [2022-11-19 06:40:16,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:40:16,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:40:16,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:40:16,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:40:16,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:40:16,490 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:40:20,267 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 [] [2022-11-19 06:40:20,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:40:20,268 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2022-11-19 06:40:20,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:40:20,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-11-19 06:40:20,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:40:20,276 INFO L225 Difference]: With dead ends: 227 [2022-11-19 06:40:20,276 INFO L226 Difference]: Without dead ends: 124 [2022-11-19 06:40:20,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:40:20,278 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 1 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:40:20,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 347 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-11-19 06:40:20,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-19 06:40:20,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-19 06:40:20,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 118 states have internal predecessors, (132), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-19 06:40:20,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2022-11-19 06:40:20,290 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2022-11-19 06:40:20,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:40:20,291 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2022-11-19 06:40:20,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:40:20,291 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2022-11-19 06:40:20,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-19 06:40:20,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:40:20,294 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2022-11-19 06:40:20,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-19 06:40:20,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:40:20,507 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:40:20,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:40:20,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1303520738, now seen corresponding path program 1 times [2022-11-19 06:40:20,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:40:20,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256480434] [2022-11-19 06:40:20,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:20,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:40:20,613 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:40:20,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [116316826] [2022-11-19 06:40:20,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:20,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:40:20,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:40:20,617 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:40:20,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5d0996-0a13-4412-8b6a-8ec7b74cea74/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 06:40:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:48,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 06:40:48,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:40:48,444 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 06:40:48,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:40:48,564 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:40:48,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:40:48,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256480434] [2022-11-19 06:40:48,565 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:40:48,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116316826] [2022-11-19 06:40:48,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116316826] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:40:48,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [837459761] [2022-11-19 06:40:48,588 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-19 06:40:48,588 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:40:48,594 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:40:48,600 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:40:48,600 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:40:48,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:40:48,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:40:48,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:48,779 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:40:48,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-19 06:40:48,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:48,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 06:40:48,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:48,821 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:40:48,821 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 [2022-11-19 06:40:48,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:48,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:48,892 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:40:48,893 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 [2022-11-19 06:40:48,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:48,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 06:40:48,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:48,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 06:40:48,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:48,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:48,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:48,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:48,946 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 52 treesize of output 49 [2022-11-19 06:40:48,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:48,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:48,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-19 06:40:49,404 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 [2022-11-19 06:40:49,423 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 [2022-11-19 06:40:49,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,479 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 9897009 treesize of output 5376288 [2022-11-19 06:40:49,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,542 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 [2022-11-19 06:40:49,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,712 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 [2022-11-19 06:40:49,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,779 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 8458592 treesize of output 4759837 [2022-11-19 06:40:49,813 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 [2022-11-19 06:40:49,830 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 [2022-11-19 06:40:49,880 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 [2022-11-19 06:40:49,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,932 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 8458592 treesize of output 4759837 [2022-11-19 06:40:49,981 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 [2022-11-19 06:40:49,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:49,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,053 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 06:40:50,053 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 [2022-11-19 06:40:50,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,145 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 06:40:50,145 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 [2022-11-19 06:40:50,385 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 [2022-11-19 06:40:50,390 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 [2022-11-19 06:40:50,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 06:40:50,421 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 [2022-11-19 06:40:50,429 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 [2022-11-19 06:40:50,438 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 [2022-11-19 06:40:50,460 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 [2022-11-19 06:40:50,466 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 [2022-11-19 06:40:50,471 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 [2022-11-19 06:40:50,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 06:40:50,591 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 [2022-11-19 06:40:50,610 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 [2022-11-19 06:40:50,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:50,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 06:40:50,890 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 [2022-11-19 06:40:50,906 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 [2022-11-19 06:40:52,690 INFO L217 Elim1Store]: Index analysis took 1484 ms [2022-11-19 06:40:59,068 WARN L233 SmtUtils]: Spent 6.38s on a formula simplification. DAG size of input: 85 DAG size of output: 22 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:40:59,069 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-19 06:40:59,070 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 9519772 treesize of output 9519776 [2022-11-19 06:41:01,998 INFO L217 Elim1Store]: Index analysis took 2749 ms [2022-11-19 06:41:04,787 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-19 06:41:04,788 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 9519777 treesize of output 9519780 [2022-11-19 06:41:14,568 WARN L233 SmtUtils]: Spent 9.73s 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) [2022-11-19 06:41:14,569 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 06:41:14,569 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 [2022-11-19 06:41:33,377 WARN L233 SmtUtils]: Spent 18.68s 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) [2022-11-19 06:41:33,377 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 06:41:33,378 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 [2022-11-19 06:41:34,095 INFO L217 Elim1Store]: Index analysis took 542 ms [2022-11-19 06:41:49,064 WARN L233 SmtUtils]: Spent 14.55s 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) [2022-11-19 06:41:49,065 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-19 06:41:49,066 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 [2022-11-19 06:41:50,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:50,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:50,438 INFO L217 Elim1Store]: Index analysis took 341 ms [2022-11-19 06:41:50,439 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 97 [2022-11-19 06:41:50,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:50,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:50,564 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 [2022-11-19 06:41:50,611 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:41:51,988 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-19 06:41:51,989 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 [2022-11-19 06:41:52,064 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 [2022-11-19 06:41:53,728 INFO L217 Elim1Store]: Index analysis took 1319 ms [2022-11-19 06:41:54,440 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:41:54,441 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 [2022-11-19 06:41:54,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:54,678 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 [2022-11-19 06:41:54,841 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:41:56,238 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:42:00,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:00,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:00,380 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 [2022-11-19 06:42:00,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:00,428 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 [2022-11-19 06:42:00,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:00,480 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 [2022-11-19 06:42:01,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:01,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:01,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:01,384 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 28 treesize of output 18 [2022-11-19 06:42:01,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:01,441 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 [2022-11-19 06:42:05,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:05,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:05,132 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 [2022-11-19 06:42:05,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:05,254 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 [2022-11-19 06:42:07,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:07,603 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 [2022-11-19 06:42:07,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:07,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:07,809 INFO L217 Elim1Store]: Index analysis took 107 ms [2022-11-19 06:42:07,810 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