./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW --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 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 --- 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-4e7fbc6 [2022-11-23 15:11:13,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:11:13,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:11:13,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:11:13,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:11:13,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:11:13,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:11:13,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:11:13,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:11:13,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:11:13,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:11:13,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:11:13,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:11:13,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:11:13,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:11:13,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:11:13,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:11:13,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:11:13,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:11:13,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:11:13,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:11:13,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:11:13,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:11:13,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:11:13,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:11:13,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:11:13,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:11:13,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:11:13,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:11:13,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:11:13,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:11:13,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:11:13,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:11:13,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:11:13,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:11:13,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:11:13,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:11:13,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:11:13,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:11:13,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:11:13,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:11:13,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 15:11:13,606 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:11:13,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:11:13,607 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:11:13,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:11:13,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:11:13,609 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:11:13,609 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:11:13,609 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:11:13,610 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:11:13,610 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:11:13,611 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:11:13,611 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:11:13,612 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:11:13,612 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:11:13,612 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:11:13,613 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:11:13,613 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:11:13,613 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:11:13,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:11:13,614 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:11:13,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:11:13,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:11:13,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:11:13,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:11:13,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:11:13,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:11:13,616 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:11:13,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:11:13,617 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:11:13,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:11:13,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:11:13,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:11:13,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:11:13,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:11:13,618 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:11:13,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:11:13,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:11:13,619 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:11:13,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:11:13,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:11:13,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:11:13,620 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_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 [2022-11-23 15:11:13,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:11:14,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:11:14,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:11:14,031 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:11:14,032 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:11:14,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2022-11-23 15:11:17,459 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:11:17,881 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:11:17,882 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2022-11-23 15:11:17,920 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/data/6411ff609/941371d82afd4ac0bdfda3917793841f/FLAGd01e96383 [2022-11-23 15:11:17,944 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/data/6411ff609/941371d82afd4ac0bdfda3917793841f [2022-11-23 15:11:17,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:11:17,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:11:17,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:11:17,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:11:17,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:11:17,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:11:17" (1/1) ... [2022-11-23 15:11:17,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22061864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:17, skipping insertion in model container [2022-11-23 15:11:17,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:11:17" (1/1) ... [2022-11-23 15:11:17,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:11:18,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:11:18,770 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[33021,33034] [2022-11-23 15:11:19,142 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[84583,84596] [2022-11-23 15:11:19,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:11:19,161 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:11:19,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[33021,33034] [2022-11-23 15:11:19,317 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[84583,84596] [2022-11-23 15:11:19,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:11:19,359 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:11:19,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:19 WrapperNode [2022-11-23 15:11:19,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:11:19,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:11:19,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:11:19,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:11:19,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:19" (1/1) ... [2022-11-23 15:11:19,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:19" (1/1) ... [2022-11-23 15:11:19,657 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2860 [2022-11-23 15:11:19,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:11:19,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:11:19,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:11:19,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:11:19,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:19" (1/1) ... [2022-11-23 15:11:19,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:19" (1/1) ... [2022-11-23 15:11:19,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:19" (1/1) ... [2022-11-23 15:11:19,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:19" (1/1) ... [2022-11-23 15:11:19,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:19" (1/1) ... [2022-11-23 15:11:19,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:19" (1/1) ... [2022-11-23 15:11:19,808 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:19" (1/1) ... [2022-11-23 15:11:19,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:19" (1/1) ... [2022-11-23 15:11:19,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:11:19,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:11:19,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:11:19,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:11:19,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:19" (1/1) ... [2022-11-23 15:11:19,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:11:19,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:11:19,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:11:19,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:11:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:11:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 15:11:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 15:11:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:11:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:11:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:11:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:11:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:11:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:11:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:11:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 15:11:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:11:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:11:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:11:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:11:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:11:20,270 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:11:20,272 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:11:23,643 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:11:24,183 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:11:24,183 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-23 15:11:24,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:11:24 BoogieIcfgContainer [2022-11-23 15:11:24,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:11:24,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:11:24,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:11:24,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:11:24,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:11:17" (1/3) ... [2022-11-23 15:11:24,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a30208d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:11:24, skipping insertion in model container [2022-11-23 15:11:24,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:19" (2/3) ... [2022-11-23 15:11:24,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a30208d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:11:24, skipping insertion in model container [2022-11-23 15:11:24,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:11:24" (3/3) ... [2022-11-23 15:11:24,204 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test9-1.i [2022-11-23 15:11:24,228 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:11:24,228 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:11:24,350 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:11:24,361 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;@12d12776, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:11:24,361 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:11:24,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-23 15:11:24,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 15:11:24,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:24,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:11:24,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:11:24,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:24,395 INFO L85 PathProgramCache]: Analyzing trace with hash -506218797, now seen corresponding path program 1 times [2022-11-23 15:11:24,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:11:24,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690267550] [2022-11-23 15:11:24,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:24,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:11:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:24,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:11:24,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:11:24,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690267550] [2022-11-23 15:11:24,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690267550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:11:24,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:11:24,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:11:24,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500462720] [2022-11-23 15:11:24,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:11:24,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:11:24,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:11:24,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:11:24,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:11:24,739 INFO L87 Difference]: Start difference. First operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) 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) [2022-11-23 15:11:25,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:11:25,946 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2022-11-23 15:11:25,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:11:25,954 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 [2022-11-23 15:11:25,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:11:25,988 INFO L225 Difference]: With dead ends: 2197 [2022-11-23 15:11:25,988 INFO L226 Difference]: Without dead ends: 1097 [2022-11-23 15:11:26,010 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 [2022-11-23 15:11:26,013 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:11:26,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2101 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-23 15:11:26,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-11-23 15:11:26,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2022-11-23 15:11:26,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-23 15:11:26,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2022-11-23 15:11:26,502 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2022-11-23 15:11:26,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:11:26,503 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2022-11-23 15:11:26,503 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) [2022-11-23 15:11:26,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2022-11-23 15:11:26,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 15:11:26,506 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:26,506 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] [2022-11-23 15:11:26,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:11:26,507 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:11:26,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:26,507 INFO L85 PathProgramCache]: Analyzing trace with hash 82355722, now seen corresponding path program 1 times [2022-11-23 15:11:26,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:11:26,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010723419] [2022-11-23 15:11:26,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:26,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:11:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:27,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:11:27,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:11:27,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010723419] [2022-11-23 15:11:27,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010723419] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:11:27,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:11:27,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:11:27,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106782075] [2022-11-23 15:11:27,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:11:27,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:11:27,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:11:27,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:11:27,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:11:27,044 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 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) [2022-11-23 15:11:29,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:11:29,824 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2022-11-23 15:11:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:11:29,828 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 [2022-11-23 15:11:29,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:11:29,848 INFO L225 Difference]: With dead ends: 3192 [2022-11-23 15:11:29,849 INFO L226 Difference]: Without dead ends: 2148 [2022-11-23 15:11:29,856 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 [2022-11-23 15:11:29,857 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6751 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:11:29,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 6751 Invalid, 585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-23 15:11:29,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2022-11-23 15:11:30,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2022-11-23 15:11:30,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-23 15:11:30,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2022-11-23 15:11:30,441 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2022-11-23 15:11:30,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:11:30,442 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2022-11-23 15:11:30,442 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) [2022-11-23 15:11:30,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2022-11-23 15:11:30,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-23 15:11:30,445 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:30,445 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] [2022-11-23 15:11:30,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:11:30,446 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:11:30,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:30,458 INFO L85 PathProgramCache]: Analyzing trace with hash -421348211, now seen corresponding path program 1 times [2022-11-23 15:11:30,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:11:30,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577185846] [2022-11-23 15:11:30,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:30,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:11:30,689 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:11:30,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [881807263] [2022-11-23 15:11:30,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:30,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:11:30,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:11:30,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:11:30,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:11:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:31,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:11:31,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:11:31,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:11:31,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:11:31,688 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:11:31,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577185846] [2022-11-23 15:11:31,689 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:11:31,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881807263] [2022-11-23 15:11:31,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881807263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:11:31,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:11:31,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:11:31,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657957540] [2022-11-23 15:11:31,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:11:31,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:11:31,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:11:31,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:11:31,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:11:31,692 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 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) [2022-11-23 15:11:33,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:11:33,526 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2022-11-23 15:11:33,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:11:33,536 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 [2022-11-23 15:11:33,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:11:33,554 INFO L225 Difference]: With dead ends: 3230 [2022-11-23 15:11:33,555 INFO L226 Difference]: Without dead ends: 2134 [2022-11-23 15:11:33,605 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 [2022-11-23 15:11:33,610 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 1033 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:11:33,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-23 15:11:33,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2022-11-23 15:11:34,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2022-11-23 15:11:34,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-11-23 15:11:34,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2022-11-23 15:11:34,061 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2022-11-23 15:11:34,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:11:34,062 INFO L495 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2022-11-23 15:11:34,062 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) [2022-11-23 15:11:34,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2022-11-23 15:11:34,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-23 15:11:34,076 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:34,076 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] [2022-11-23 15:11:34,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:11:34,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-23 15:11:34,295 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:11:34,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:34,296 INFO L85 PathProgramCache]: Analyzing trace with hash -125172879, now seen corresponding path program 1 times [2022-11-23 15:11:34,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:11:34,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610165130] [2022-11-23 15:11:34,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:34,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:11:34,384 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:11:34,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1664027667] [2022-11-23 15:11:34,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:34,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:11:34,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:11:34,387 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:11:34,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:11:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:35,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:11:35,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:11:35,203 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:11:35,203 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:11:35,203 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:11:35,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610165130] [2022-11-23 15:11:35,204 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:11:35,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664027667] [2022-11-23 15:11:35,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664027667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:11:35,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:11:35,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:11:35,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356548422] [2022-11-23 15:11:35,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:11:35,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:11:35,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:11:35,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:11:35,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:11:35,208 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 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) [2022-11-23 15:11:38,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:11:38,068 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2022-11-23 15:11:38,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:11:38,069 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 [2022-11-23 15:11:38,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:11:38,078 INFO L225 Difference]: With dead ends: 3228 [2022-11-23 15:11:38,078 INFO L226 Difference]: Without dead ends: 1112 [2022-11-23 15:11:38,090 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 [2022-11-23 15:11:38,096 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2143 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:11:38,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 3123 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-23 15:11:38,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-11-23 15:11:38,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-11-23 15:11:38,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-23 15:11:38,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2022-11-23 15:11:38,342 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2022-11-23 15:11:38,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:11:38,347 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2022-11-23 15:11:38,347 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) [2022-11-23 15:11:38,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2022-11-23 15:11:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 15:11:38,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:38,349 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] [2022-11-23 15:11:38,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:11:38,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:11:38,565 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:11:38,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:38,566 INFO L85 PathProgramCache]: Analyzing trace with hash 373117970, now seen corresponding path program 1 times [2022-11-23 15:11:38,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:11:38,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374694534] [2022-11-23 15:11:38,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:38,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:11:38,709 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:11:38,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070453551] [2022-11-23 15:11:38,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:38,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:11:38,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:11:38,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:11:38,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:11:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:57,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:11:57,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:11:57,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:11:57,379 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:11:57,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:11:57,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374694534] [2022-11-23 15:11:57,379 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:11:57,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070453551] [2022-11-23 15:11:57,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070453551] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:11:57,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:11:57,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:11:57,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125296804] [2022-11-23 15:11:57,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:11:57,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:11:57,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:11:57,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:11:57,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:11:57,383 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:11:59,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:11:59,195 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2022-11-23 15:11:59,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:11:59,200 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2022-11-23 15:11:59,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:11:59,210 INFO L225 Difference]: With dead ends: 2207 [2022-11-23 15:11:59,210 INFO L226 Difference]: Without dead ends: 1114 [2022-11-23 15:11:59,218 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 [2022-11-23 15:11:59,219 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6287 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:11:59,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6287 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-23 15:11:59,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-11-23 15:11:59,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-11-23 15:11:59,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2022-11-23 15:11:59,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2022-11-23 15:11:59,515 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2022-11-23 15:11:59,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:11:59,518 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2022-11-23 15:11:59,518 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:11:59,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2022-11-23 15:11:59,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 15:11:59,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:59,522 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] [2022-11-23 15:11:59,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:11:59,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:11:59,735 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:11:59,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:59,736 INFO L85 PathProgramCache]: Analyzing trace with hash 899935758, now seen corresponding path program 1 times [2022-11-23 15:11:59,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:11:59,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375973636] [2022-11-23 15:11:59,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:59,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:11:59,836 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:11:59,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1558136863] [2022-11-23 15:11:59,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:59,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:11:59,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:11:59,841 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:11:59,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aa183e-0b1e-43d2-a3a5-ec5cddd8d172/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:12:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:58,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-23 15:12:58,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:12:58,851 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 15:12:58,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:12:59,007 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:12:59,008 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:12:59,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375973636] [2022-11-23 15:12:59,008 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:12:59,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558136863] [2022-11-23 15:12:59,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558136863] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:12:59,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [612036615] [2022-11-23 15:12:59,035 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-23 15:12:59,035 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:12:59,039 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:12:59,046 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:12:59,047 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:12:59,174 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 [2022-11-23 15:12:59,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:59,210 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 15:12:59,211 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 [2022-11-23 15:12:59,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:59,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-23 15:12:59,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:59,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-23 15:12:59,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:12:59,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:59,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:59,350 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 15:12:59,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-23 15:12:59,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:59,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:59,422 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:12:59,423 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 [2022-11-23 15:12:59,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:59,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:59,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:59,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:59,462 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 [2022-11-23 15:12:59,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:59,498 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 [2022-11-23 15:12:59,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:12:59,521 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 [2022-11-23 15:13:00,093 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 [2022-11-23 15:13:00,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,181 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 [2022-11-23 15:13:00,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,269 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 8458577 treesize of output 4759834 [2022-11-23 15:13:00,324 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 [2022-11-23 15:13:00,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,444 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 [2022-11-23 15:13:00,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,517 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 [2022-11-23 15:13:00,555 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 [2022-11-23 15:13:00,578 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 [2022-11-23 15:13:00,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,671 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 [2022-11-23 15:13:00,714 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 [2022-11-23 15:13:00,746 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 [2022-11-23 15:13:00,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,834 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 15:13:00,835 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 [2022-11-23 15:13:00,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:00,944 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 15:13:00,944 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 [2022-11-23 15:13:01,211 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 [2022-11-23 15:13:01,217 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 [2022-11-23 15:13:01,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:13:01,258 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 [2022-11-23 15:13:01,268 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 [2022-11-23 15:13:01,278 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 [2022-11-23 15:13:01,303 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 [2022-11-23 15:13:01,310 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 [2022-11-23 15:13:01,317 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 [2022-11-23 15:13:01,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,425 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 [2022-11-23 15:13:01,460 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 [2022-11-23 15:13:01,483 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 [2022-11-23 15:13:01,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:01,723 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 [2022-11-23 15:13:01,751 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 [2022-11-23 15:13:01,777 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 [2022-11-23 15:13:02,979 INFO L217 Elim1Store]: Index analysis took 825 ms [2022-11-23 15:13:07,810 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-23 15:13:07,811 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 9519796 [2022-11-23 15:13:10,499 INFO L217 Elim1Store]: Index analysis took 2348 ms [2022-11-23 15:13:11,473 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-23 15:13:11,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-23 15:13:19,922 WARN L233 SmtUtils]: Spent 8.32s 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) [2022-11-23 15:13:19,923 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 15:13:19,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-23 15:13:20,376 INFO L217 Elim1Store]: Index analysis took 213 ms [2022-11-23 15:13:46,792 WARN L233 SmtUtils]: Spent 26.41s 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) [2022-11-23 15:13:46,793 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 15:13:46,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-11-23 15:13:48,923 INFO L217 Elim1Store]: Index analysis took 1339 ms [2022-11-23 15:14:22,251 WARN L233 SmtUtils]: Spent 32.64s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:14:22,252 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-23 15:14:22,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 4294 treesize of output 11953 [2022-11-23 15:14:24,440 INFO L217 Elim1Store]: Index analysis took 200 ms [2022-11-23 15:14:25,121 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-23 15:14:25,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-23 15:14:25,229 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 [2022-11-23 15:14:25,895 INFO L217 Elim1Store]: Index analysis took 404 ms [2022-11-23 15:14:26,793 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:14:26,794 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 [2022-11-23 15:14:27,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:14:27,587 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 [2022-11-23 15:14:27,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,791 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 [2022-11-23 15:14:27,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,969 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 [2022-11-23 15:14:28,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:14:28,085 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 [2022-11-23 15:14:28,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:14:28,179 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 [2022-11-23 15:14:30,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:30,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:30,826 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 [2022-11-23 15:14:31,017 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:14:31,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:14:31,442 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 [2022-11-23 15:14:32,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:32,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:14:32,065 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 [2022-11-23 15:14:32,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:32,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-23 15:14:32,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:32,270 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 [2022-11-23 15:14:32,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:32,797 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 [2022-11-23 15:14:33,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:33,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:33,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:33,816 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 [2022-11-23 15:14:46,821 INFO L217 Elim1Store]: Index analysis took 1765 ms [2022-11-23 15:24:26,108 WARN L233 SmtUtils]: Spent 9.65m on a formula simplification. DAG size of input: 339 DAG size of output: 94 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:24:26,109 INFO L321 Elim1Store]: treesize reduction 32474, result has 1.7 percent of original size [2022-11-23 15:24:26,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 16 new quantified variables, introduced 78 case distinctions, treesize of input 1135754 treesize of output 1141681 [2022-11-23 15:25:21,388 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:25:22,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:22,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:22,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:22,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:22,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:27,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:27,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:27,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:27,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:27,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:27,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:27,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:27,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:31,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:31,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:31,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:31,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:52,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:52,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:52,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:52,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:52,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:52,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:52,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:06,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:06,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:06,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:06,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:11,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:11,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:11,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:11,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:11,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:11,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:11,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:11,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:11,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:11,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:11,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:11,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:11,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:11,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:11,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:11,564 INFO L217 Elim1Store]: Index analysis took 49290 ms [2022-11-23 15:26:11,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-11-23 15:26:12,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:12,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:12,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:12,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:12,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:13,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:13,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:13,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:13,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:13,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:13,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:13,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:13,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:14,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:14,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:14,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:14,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:20,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:20,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:20,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:20,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:20,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:20,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:20,704 INFO L173 IndexEqualityManager]: detected equality via solver