./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:52:09,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:52:09,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:52:09,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:52:09,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:52:09,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:52:09,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:52:09,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:52:09,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:52:09,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:52:09,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:52:09,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:52:09,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:52:09,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:52:09,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:52:09,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:52:09,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:52:09,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:52:09,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:52:09,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:52:09,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:52:09,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:52:09,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:52:09,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:52:09,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:52:09,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:52:09,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:52:09,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:52:09,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:52:09,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:52:09,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:52:09,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:52:09,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:52:09,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:52:09,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:52:09,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:52:09,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:52:09,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:52:09,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:52:09,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:52:09,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:52:09,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:52:09,575 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:52:09,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:52:09,576 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:52:09,576 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:52:09,577 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:52:09,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:52:09,578 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:52:09,578 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:52:09,578 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:52:09,579 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:52:09,579 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:52:09,579 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:52:09,579 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:52:09,579 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:52:09,580 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:52:09,580 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:52:09,580 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:52:09,580 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:52:09,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:52:09,581 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:52:09,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:52:09,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:52:09,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:52:09,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:52:09,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:52:09,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:52:09,583 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:52:09,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:52:09,583 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:52:09,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:52:09,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:52:09,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:52:09,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:52:09,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:52:09,584 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:52:09,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:52:09,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:52:09,585 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:52:09,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:52:09,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:52:09,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:52:09,586 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_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 [2022-11-19 07:52:09,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:52:09,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:52:09,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:52:09,894 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:52:09,895 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:52:09,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2022-11-19 07:52:09,966 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/data/6b419679b/f8dc976a28634457b8269a4e16f8ec51/FLAGc200d9e4d [2022-11-19 07:52:10,776 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:52:10,776 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2022-11-19 07:52:10,794 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/data/6b419679b/f8dc976a28634457b8269a4e16f8ec51/FLAGc200d9e4d [2022-11-19 07:52:10,893 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/data/6b419679b/f8dc976a28634457b8269a4e16f8ec51 [2022-11-19 07:52:10,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:52:10,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:52:10,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:52:10,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:52:10,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:52:10,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:52:10" (1/1) ... [2022-11-19 07:52:10,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e6f5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:52:10, skipping insertion in model container [2022-11-19 07:52:10,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:52:10" (1/1) ... [2022-11-19 07:52:10,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:52:11,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:52:11,545 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[33021,33034] [2022-11-19 07:52:11,786 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[84583,84596] [2022-11-19 07:52:11,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:52:11,798 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:52:11,826 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[33021,33034] [2022-11-19 07:52:12,035 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[84583,84596] [2022-11-19 07:52:12,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:52:12,097 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:52:12,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:52:12 WrapperNode [2022-11-19 07:52:12,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:52:12,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:52:12,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:52:12,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:52:12,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:52:12" (1/1) ... [2022-11-19 07:52:12,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:52:12" (1/1) ... [2022-11-19 07:52:12,313 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2860 [2022-11-19 07:52:12,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:52:12,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:52:12,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:52:12,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:52:12,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:52:12" (1/1) ... [2022-11-19 07:52:12,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:52:12" (1/1) ... [2022-11-19 07:52:12,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:52:12" (1/1) ... [2022-11-19 07:52:12,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:52:12" (1/1) ... [2022-11-19 07:52:12,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:52:12" (1/1) ... [2022-11-19 07:52:12,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:52:12" (1/1) ... [2022-11-19 07:52:12,452 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:52:12" (1/1) ... [2022-11-19 07:52:12,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:52:12" (1/1) ... [2022-11-19 07:52:12,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:52:12,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:52:12,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:52:12,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:52:12,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:52:12" (1/1) ... [2022-11-19 07:52:12,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:52:12,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:52:12,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:52:12,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:52:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:52:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:52:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:52:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:52:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:52:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:52:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:52:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:52:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:52:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:52:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 07:52:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:52:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:52:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:52:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:52:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:52:12,827 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:52:12,829 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:52:15,633 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:52:16,229 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:52:16,229 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-19 07:52:16,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:52:16 BoogieIcfgContainer [2022-11-19 07:52:16,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:52:16,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:52:16,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:52:16,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:52:16,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:52:10" (1/3) ... [2022-11-19 07:52:16,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164b656f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:52:16, skipping insertion in model container [2022-11-19 07:52:16,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:52:12" (2/3) ... [2022-11-19 07:52:16,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164b656f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:52:16, skipping insertion in model container [2022-11-19 07:52:16,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:52:16" (3/3) ... [2022-11-19 07:52:16,251 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test9-1.i [2022-11-19 07:52:16,276 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:52:16,277 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-19 07:52:16,385 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:52:16,397 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;@53f26563, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:52:16,397 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-19 07:52:16,407 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) [2022-11-19 07:52:16,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 07:52:16,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:52:16,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:52:16,416 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:52:16,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:52:16,424 INFO L85 PathProgramCache]: Analyzing trace with hash -506218797, now seen corresponding path program 1 times [2022-11-19 07:52:16,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:52:16,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941034369] [2022-11-19 07:52:16,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:16,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:52:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:52:16,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:52:16,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:52:16,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941034369] [2022-11-19 07:52:16,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941034369] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:52:16,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:52:16,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:52:16,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282407729] [2022-11-19 07:52:16,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:52:16,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:52:16,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:52:16,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:52:16,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:52:16,689 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) [2022-11-19 07:52:17,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:52:17,635 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2022-11-19 07:52:17,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:52:17,641 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-19 07:52:17,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:52:17,670 INFO L225 Difference]: With dead ends: 2197 [2022-11-19 07:52:17,671 INFO L226 Difference]: Without dead ends: 1097 [2022-11-19 07:52:17,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:52:17,686 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:52:17,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2101 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-19 07:52:17,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-11-19 07:52:18,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2022-11-19 07:52:18,098 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) [2022-11-19 07:52:18,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2022-11-19 07:52:18,109 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2022-11-19 07:52:18,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:52:18,109 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2022-11-19 07:52:18,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:52:18,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2022-11-19 07:52:18,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 07:52:18,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:52:18,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:52:18,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:52:18,112 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:52:18,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:52:18,113 INFO L85 PathProgramCache]: Analyzing trace with hash 82355722, now seen corresponding path program 1 times [2022-11-19 07:52:18,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:52:18,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907073588] [2022-11-19 07:52:18,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:18,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:52:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:52:18,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:52:18,584 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:52:18,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907073588] [2022-11-19 07:52:18,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907073588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:52:18,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:52:18,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:52:18,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213168393] [2022-11-19 07:52:18,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:52:18,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:52:18,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:52:18,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:52:18,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:52:18,588 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) [2022-11-19 07:52:20,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:52:20,833 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2022-11-19 07:52:20,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:52:20,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-19 07:52:20,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:52:20,854 INFO L225 Difference]: With dead ends: 3192 [2022-11-19 07:52:20,854 INFO L226 Difference]: Without dead ends: 2148 [2022-11-19 07:52:20,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:52:20,862 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 2.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:52:20,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 6751 Invalid, 585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-19 07:52:20,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2022-11-19 07:52:21,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2022-11-19 07:52:21,308 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) [2022-11-19 07:52:21,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2022-11-19 07:52:21,315 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2022-11-19 07:52:21,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:52:21,316 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2022-11-19 07:52:21,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:52:21,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2022-11-19 07:52:21,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 07:52:21,318 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:52:21,318 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:52:21,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:52:21,318 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:52:21,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:52:21,319 INFO L85 PathProgramCache]: Analyzing trace with hash -421348211, now seen corresponding path program 1 times [2022-11-19 07:52:21,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:52:21,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927083613] [2022-11-19 07:52:21,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:21,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:52:21,469 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:52:21,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [916712498] [2022-11-19 07:52:21,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:21,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:52:21,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:52:21,474 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:52:21,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:52:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:52:22,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:52:22,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:52:22,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:52:22,372 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:52:22,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:52:22,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927083613] [2022-11-19 07:52:22,373 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:52:22,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916712498] [2022-11-19 07:52:22,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916712498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:52:22,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:52:22,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:52:22,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012196031] [2022-11-19 07:52:22,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:52:22,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:52:22,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:52:22,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:52:22,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:52:22,376 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) [2022-11-19 07:52:24,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:52:24,064 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2022-11-19 07:52:24,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:52:24,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-11-19 07:52:24,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:52:24,088 INFO L225 Difference]: With dead ends: 3230 [2022-11-19 07:52:24,088 INFO L226 Difference]: Without dead ends: 2134 [2022-11-19 07:52:24,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:52:24,097 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 1033 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:52:24,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-19 07:52:24,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2022-11-19 07:52:24,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2022-11-19 07:52:24,464 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) [2022-11-19 07:52:24,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2022-11-19 07:52:24,477 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2022-11-19 07:52:24,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:52:24,478 INFO L495 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2022-11-19 07:52:24,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:52:24,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2022-11-19 07:52:24,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-19 07:52:24,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:52:24,480 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:52:24,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 07:52:24,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-19 07:52:24,691 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:52:24,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:52:24,692 INFO L85 PathProgramCache]: Analyzing trace with hash -125172879, now seen corresponding path program 1 times [2022-11-19 07:52:24,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:52:24,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883044568] [2022-11-19 07:52:24,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:24,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:52:24,779 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:52:24,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [434716618] [2022-11-19 07:52:24,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:24,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:52:24,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:52:24,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:52:24,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:52:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:52:25,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:52:25,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:52:25,502 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:52:25,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:52:25,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:52:25,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883044568] [2022-11-19 07:52:25,503 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:52:25,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434716618] [2022-11-19 07:52:25,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434716618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:52:25,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:52:25,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:52:25,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871623860] [2022-11-19 07:52:25,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:52:25,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:52:25,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:52:25,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:52:25,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:52:25,512 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) [2022-11-19 07:52:27,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:52:27,804 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2022-11-19 07:52:27,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:52:27,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-19 07:52:27,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:52:27,813 INFO L225 Difference]: With dead ends: 3228 [2022-11-19 07:52:27,814 INFO L226 Difference]: Without dead ends: 1112 [2022-11-19 07:52:27,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:52:27,828 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2143 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:52:27,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 3123 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-19 07:52:27,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-11-19 07:52:28,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-11-19 07:52:28,083 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) [2022-11-19 07:52:28,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2022-11-19 07:52:28,095 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2022-11-19 07:52:28,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:52:28,100 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2022-11-19 07:52:28,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:52:28,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2022-11-19 07:52:28,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-19 07:52:28,107 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:52:28,108 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:52:28,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:52:28,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:52:28,317 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:52:28,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:52:28,318 INFO L85 PathProgramCache]: Analyzing trace with hash 373117970, now seen corresponding path program 1 times [2022-11-19 07:52:28,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:52:28,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458664861] [2022-11-19 07:52:28,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:28,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:52:28,384 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:52:28,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1231444280] [2022-11-19 07:52:28,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:28,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:52:28,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:52:28,386 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:52:28,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:52:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:52:44,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:52:44,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:52:44,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:52:44,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:52:44,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:52:44,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458664861] [2022-11-19 07:52:44,553 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:52:44,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231444280] [2022-11-19 07:52:44,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231444280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:52:44,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:52:44,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:52:44,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973918122] [2022-11-19 07:52:44,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:52:44,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:52:44,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:52:44,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:52:44,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:52:44,555 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) [2022-11-19 07:52:45,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:52:45,915 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2022-11-19 07:52:45,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:52:45,920 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 [2022-11-19 07:52:45,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:52:45,928 INFO L225 Difference]: With dead ends: 2207 [2022-11-19 07:52:45,928 INFO L226 Difference]: Without dead ends: 1114 [2022-11-19 07:52:45,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:52:45,935 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:52:45,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6287 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 07:52:45,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-11-19 07:52:46,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-11-19 07:52:46,226 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) [2022-11-19 07:52:46,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2022-11-19 07:52:46,235 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2022-11-19 07:52:46,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:52:46,237 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2022-11-19 07:52:46,238 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) [2022-11-19 07:52:46,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2022-11-19 07:52:46,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-19 07:52:46,242 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:52:46,242 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:52:46,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:52:46,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:52:46,443 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:52:46,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:52:46,444 INFO L85 PathProgramCache]: Analyzing trace with hash 899935758, now seen corresponding path program 1 times [2022-11-19 07:52:46,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:52:46,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164664765] [2022-11-19 07:52:46,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:46,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:52:46,512 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:52:46,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [420966964] [2022-11-19 07:52:46,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:46,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:52:46,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:52:46,514 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:52:46,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b54eebb-6614-475a-b477-2c532af34103/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:53:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:53:35,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-19 07:53:35,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:53:35,522 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:53:35,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:53:35,652 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:53:35,653 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:53:35,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164664765] [2022-11-19 07:53:35,653 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:53:35,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420966964] [2022-11-19 07:53:35,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420966964] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:53:35,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [983095888] [2022-11-19 07:53:35,684 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-19 07:53:35,684 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:53:35,687 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:53:35,693 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:53:35,694 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:53:35,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:53:35,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:35,851 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:53:35,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 07:53:35,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:35,864 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 [2022-11-19 07:53:35,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:35,880 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 [2022-11-19 07:53:35,891 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 [2022-11-19 07:53:35,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:35,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:35,965 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 07:53:35,966 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 [2022-11-19 07:53:35,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:35,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,025 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:53:36,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 07:53:36,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 07:53:36,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:53:36,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:53:36,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:53:36,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-19 07:53:36,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,735 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 [2022-11-19 07:53:36,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:53:36,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 07:53:36,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:36,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 07:53:36,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:53:36,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:53:37,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 07:53:37,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:53:37,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:53:37,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,203 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 07:53:37,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-19 07:53:37,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,317 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:53:37,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-19 07:53:37,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:53:37,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:53:37,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:53:37,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 07:53:37,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 07:53:37,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-19 07:53:37,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:53:37,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:53:37,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:53:37,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 07:53:37,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 07:53:37,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 07:53:37,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:37,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 07:53:37,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 07:53:37,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 07:53:38,734 INFO L217 Elim1Store]: Index analysis took 534 ms [2022-11-19 07:53:42,851 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-19 07:53:42,851 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 [2022-11-19 07:53:44,951 INFO L217 Elim1Store]: Index analysis took 1838 ms [2022-11-19 07:53:45,771 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-19 07:53:45,772 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 [2022-11-19 07:53:52,733 WARN L233 SmtUtils]: Spent 6.83s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:53:52,734 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 07:53:52,734 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 [2022-11-19 07:53:53,114 INFO L217 Elim1Store]: Index analysis took 190 ms [2022-11-19 07:54:14,306 WARN L233 SmtUtils]: Spent 21.19s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:54:14,306 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 07:54:14,307 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 [2022-11-19 07:54:15,985 INFO L217 Elim1Store]: Index analysis took 950 ms [2022-11-19 07:54:43,526 WARN L233 SmtUtils]: Spent 26.97s 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) [2022-11-19 07:54:43,527 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-19 07:54:43,527 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 [2022-11-19 07:54:45,428 INFO L217 Elim1Store]: Index analysis took 171 ms [2022-11-19 07:54:45,989 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-19 07:54:45,989 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 [2022-11-19 07:54:46,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:54:46,617 INFO L217 Elim1Store]: Index analysis took 342 ms [2022-11-19 07:54:47,386 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:54:47,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-19 07:54:48,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:54:48,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-19 07:54:48,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:54:48,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-19 07:54:48,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:54:48,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-19 07:54:48,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:54:48,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 07:54:48,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:54:48,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 07:54:50,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:54:50,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:54:50,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 07:54:50,944 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:54:51,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:54:51,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 07:54:51,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:54:51,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:54:51,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-19 07:54:51,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:54:51,970 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 [2022-11-19 07:54:52,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:54:52,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-19 07:54:52,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:54:52,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-19 07:54:53,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:54:53,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:54:53,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:54:53,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-19 07:55:05,377 INFO L217 Elim1Store]: Index analysis took 1528 ms [2022-11-19 08:04:46,325 WARN L233 SmtUtils]: Spent 9.68m 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) [2022-11-19 08:04:46,326 INFO L321 Elim1Store]: treesize reduction 32474, result has 1.7 percent of original size [2022-11-19 08:04:46,335 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 [2022-11-19 08:05:43,067 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:05:43,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:05:43,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:05:43,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:05:43,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:05:43,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:05:48,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:05:48,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:05:48,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:05:48,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:05:48,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:05:48,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:05:48,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:05:48,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:05:53,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:05:53,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:05:53,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:05:53,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:20,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:20,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:20,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:20,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:20,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:20,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:20,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:39,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:39,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:39,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:39,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:46,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:46,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:46,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:46,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:46,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:46,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:46,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:46,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:46,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:46,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:46,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:46,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:46,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:46,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:46,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:46,290 INFO L217 Elim1Store]: Index analysis took 62500 ms [2022-11-19 08:06:46,307 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 [2022-11-19 08:06:47,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:47,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:47,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:47,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:47,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:48,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:48,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:48,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:48,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:48,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:48,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:48,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:48,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:49,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:49,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:49,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:49,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:56,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:56,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:56,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:56,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:56,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:56,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:06:56,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:01,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:01,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:01,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:01,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:02,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:02,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:02,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:02,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:02,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:02,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:02,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:02,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:02,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:02,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:02,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:02,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:02,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:02,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:02,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:02,443 INFO L217 Elim1Store]: Index analysis took 15000 ms [2022-11-19 08:07:02,458 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 [2022-11-19 08:07:07,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:08,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:10,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:16,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:16,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:16,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:16,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:16,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:17,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:17,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:23,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:23,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:24,242 INFO L173 IndexEqualityManager]: detected equality via solver