./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7 --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 42d34b3801344b79b388ecea52b2e670196aa6b758fe24ea6ecf5c2b8bbf579b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:04:23,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:04:23,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:04:23,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:04:23,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:04:23,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:04:23,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:04:23,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:04:23,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:04:23,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:04:23,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:04:23,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:04:23,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:04:23,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:04:23,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:04:23,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:04:23,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:04:23,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:04:23,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:04:23,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:04:23,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:04:23,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:04:23,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:04:23,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:04:23,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:04:23,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:04:23,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:04:23,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:04:23,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:04:23,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:04:23,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:04:23,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:04:23,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:04:23,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:04:23,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:04:23,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:04:23,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:04:23,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:04:23,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:04:23,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:04:23,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:04:23,321 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:04:23,365 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:04:23,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:04:23,366 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:04:23,366 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:04:23,367 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:04:23,368 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:04:23,368 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:04:23,368 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:04:23,368 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:04:23,369 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:04:23,370 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:04:23,370 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:04:23,370 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:04:23,370 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:04:23,371 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:04:23,371 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:04:23,371 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:04:23,371 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:04:23,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:04:23,372 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:04:23,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:04:23,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:04:23,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:04:23,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:04:23,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:04:23,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:04:23,375 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:04:23,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:04:23,376 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:04:23,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:04:23,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:04:23,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:04:23,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:04:23,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:04:23,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:04:23,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:04:23,378 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:04:23,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:04:23,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:04:23,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:04:23,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:04:23,379 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42d34b3801344b79b388ecea52b2e670196aa6b758fe24ea6ecf5c2b8bbf579b [2021-11-25 18:04:23,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:04:23,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:04:23,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:04:23,715 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:04:23,716 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:04:23,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i [2021-11-25 18:04:23,797 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/data/a5f319025/068763c76d994a69afefebb209d1b591/FLAG27b0daebb [2021-11-25 18:04:24,495 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:04:24,496 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i [2021-11-25 18:04:24,515 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/data/a5f319025/068763c76d994a69afefebb209d1b591/FLAG27b0daebb [2021-11-25 18:04:24,807 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/data/a5f319025/068763c76d994a69afefebb209d1b591 [2021-11-25 18:04:24,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:04:24,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:04:24,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:04:24,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:04:24,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:04:24,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:04:24" (1/1) ... [2021-11-25 18:04:24,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6adabdeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:24, skipping insertion in model container [2021-11-25 18:04:24,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:04:24" (1/1) ... [2021-11-25 18:04:24,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:04:24,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:04:25,352 WARN L230 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_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i[33021,33034] [2021-11-25 18:04:25,515 WARN L230 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_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i[45234,45247] [2021-11-25 18:04:25,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:04:25,536 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:04:25,580 WARN L230 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_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i[33021,33034] [2021-11-25 18:04:25,674 WARN L230 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_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i[45234,45247] [2021-11-25 18:04:25,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:04:25,732 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:04:25,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:25 WrapperNode [2021-11-25 18:04:25,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:04:25,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:04:25,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:04:25,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:04:25,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:25" (1/1) ... [2021-11-25 18:04:25,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:25" (1/1) ... [2021-11-25 18:04:25,842 INFO L137 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1151 [2021-11-25 18:04:25,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:04:25,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:04:25,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:04:25,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:04:25,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:25" (1/1) ... [2021-11-25 18:04:25,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:25" (1/1) ... [2021-11-25 18:04:25,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:25" (1/1) ... [2021-11-25 18:04:25,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:25" (1/1) ... [2021-11-25 18:04:25,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:25" (1/1) ... [2021-11-25 18:04:25,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:25" (1/1) ... [2021-11-25 18:04:25,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:25" (1/1) ... [2021-11-25 18:04:26,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:04:26,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:04:26,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:04:26,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:04:26,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:25" (1/1) ... [2021-11-25 18:04:26,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:04:26,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:04:26,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:04:26,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:04:26,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:04:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:04:26,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:04:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:04:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:04:26,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:04:26,078 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-25 18:04:26,078 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-25 18:04:26,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:04:26,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:04:26,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:04:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:04:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:04:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:04:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:04:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:04:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:04:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:04:26,313 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:04:26,315 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:04:27,314 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:04:27,750 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:04:27,751 INFO L301 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-25 18:04:27,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:04:27 BoogieIcfgContainer [2021-11-25 18:04:27,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:04:27,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:04:27,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:04:27,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:04:27,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:04:24" (1/3) ... [2021-11-25 18:04:27,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6bbe87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:04:27, skipping insertion in model container [2021-11-25 18:04:27,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:25" (2/3) ... [2021-11-25 18:04:27,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6bbe87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:04:27, skipping insertion in model container [2021-11-25 18:04:27,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:04:27" (3/3) ... [2021-11-25 18:04:27,766 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test8-2.i [2021-11-25 18:04:27,771 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:04:27,771 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 18:04:27,820 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:04:27,827 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:04:27,827 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 18:04:27,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 136 states have (on average 1.7941176470588236) internal successors, (244), 153 states have internal predecessors, (244), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 18:04:27,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 18:04:27,854 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:04:27,855 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:04:27,855 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:04:27,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:04:27,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1416523053, now seen corresponding path program 1 times [2021-11-25 18:04:27,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:04:27,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493202370] [2021-11-25 18:04:27,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:04:27,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:04:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:04:28,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:04:28,025 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:04:28,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493202370] [2021-11-25 18:04:28,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493202370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:04:28,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:04:28,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:04:28,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616606101] [2021-11-25 18:04:28,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:04:28,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 18:04:28,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:04:28,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 18:04:28,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:04:28,062 INFO L87 Difference]: Start difference. First operand has 162 states, 136 states have (on average 1.7941176470588236) internal successors, (244), 153 states have internal predecessors, (244), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) 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) [2021-11-25 18:04:29,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:04:29,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:04:29,556 INFO L93 Difference]: Finished difference Result 323 states and 584 transitions. [2021-11-25 18:04:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 18:04:29,559 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 [2021-11-25 18:04:29,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:04:29,568 INFO L225 Difference]: With dead ends: 323 [2021-11-25 18:04:29,568 INFO L226 Difference]: Without dead ends: 146 [2021-11-25 18:04:29,572 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:04:29,576 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:04:29,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 18:04:29,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-11-25 18:04:29,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2021-11-25 18:04:29,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 121 states have (on average 1.2727272727272727) internal successors, (154), 137 states have internal predecessors, (154), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 18:04:29,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 194 transitions. [2021-11-25 18:04:29,629 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 194 transitions. Word has length 8 [2021-11-25 18:04:29,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:04:29,630 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 194 transitions. [2021-11-25 18:04:29,630 INFO L471 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) [2021-11-25 18:04:29,630 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 194 transitions. [2021-11-25 18:04:29,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 18:04:29,632 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:04:29,632 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:04:29,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:04:29,632 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:04:29,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:04:29,633 INFO L85 PathProgramCache]: Analyzing trace with hash -2072407008, now seen corresponding path program 1 times [2021-11-25 18:04:29,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:04:29,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359248905] [2021-11-25 18:04:29,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:04:29,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:04:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:04:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:04:29,759 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:04:29,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359248905] [2021-11-25 18:04:29,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359248905] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:04:29,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:04:29,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:04:29,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550908490] [2021-11-25 18:04:29,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:04:29,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:04:29,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:04:29,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:04:29,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:04:29,768 INFO L87 Difference]: Start difference. First operand 146 states and 194 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) [2021-11-25 18:04:31,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:04:31,025 INFO L93 Difference]: Finished difference Result 293 states and 390 transitions. [2021-11-25 18:04:31,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:04:31,029 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 [2021-11-25 18:04:31,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:04:31,032 INFO L225 Difference]: With dead ends: 293 [2021-11-25 18:04:31,032 INFO L226 Difference]: Without dead ends: 202 [2021-11-25 18:04:31,033 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:04:31,035 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 60 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:04:31,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 484 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 18:04:31,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-11-25 18:04:31,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 148. [2021-11-25 18:04:31,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 123 states have (on average 1.2682926829268293) internal successors, (156), 139 states have internal predecessors, (156), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 18:04:31,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 196 transitions. [2021-11-25 18:04:31,056 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 196 transitions. Word has length 20 [2021-11-25 18:04:31,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:04:31,056 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 196 transitions. [2021-11-25 18:04:31,057 INFO L471 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) [2021-11-25 18:04:31,057 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 196 transitions. [2021-11-25 18:04:31,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 18:04:31,058 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:04:31,058 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:04:31,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:04:31,059 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:04:31,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:04:31,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1044851722, now seen corresponding path program 1 times [2021-11-25 18:04:31,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:04:31,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268479078] [2021-11-25 18:04:31,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:04:31,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:04:31,185 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:04:31,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1811499792] [2021-11-25 18:04:31,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:04:31,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:04:31,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:04:31,188 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:04:31,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:04:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:04:31,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:04:31,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:04:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:04:32,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:04:32,095 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:04:32,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268479078] [2021-11-25 18:04:32,096 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:04:32,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811499792] [2021-11-25 18:04:32,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811499792] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:04:32,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:04:32,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:04:32,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335096502] [2021-11-25 18:04:32,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:04:32,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:04:32,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:04:32,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:04:32,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:04:32,104 INFO L87 Difference]: Start difference. First operand 148 states and 196 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:04:32,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:04:32,906 INFO L93 Difference]: Finished difference Result 341 states and 444 transitions. [2021-11-25 18:04:32,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:04:32,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-25 18:04:32,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:04:32,909 INFO L225 Difference]: With dead ends: 341 [2021-11-25 18:04:32,909 INFO L226 Difference]: Without dead ends: 196 [2021-11-25 18:04:32,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:04:32,914 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 45 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:04:32,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 341 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:04:32,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-25 18:04:32,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 193. [2021-11-25 18:04:32,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 167 states have (on average 1.2275449101796407) internal successors, (205), 183 states have internal predecessors, (205), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-25 18:04:32,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 247 transitions. [2021-11-25 18:04:32,970 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 247 transitions. Word has length 32 [2021-11-25 18:04:32,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:04:32,973 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 247 transitions. [2021-11-25 18:04:32,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:04:32,973 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 247 transitions. [2021-11-25 18:04:32,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 18:04:32,978 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:04:32,979 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-25 18:04:33,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:04:33,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:04:33,179 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:04:33,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:04:33,180 INFO L85 PathProgramCache]: Analyzing trace with hash -868254590, now seen corresponding path program 1 times [2021-11-25 18:04:33,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:04:33,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760475948] [2021-11-25 18:04:33,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:04:33,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:04:33,269 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:04:33,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1410286878] [2021-11-25 18:04:33,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:04:33,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:04:33,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:04:33,284 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:04:33,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:04:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:04:34,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:04:34,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:04:34,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:04:34,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:04:34,387 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:04:34,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760475948] [2021-11-25 18:04:34,388 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:04:34,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410286878] [2021-11-25 18:04:34,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410286878] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:04:34,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:04:34,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:04:34,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187724519] [2021-11-25 18:04:34,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:04:34,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:04:34,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:04:34,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:04:34,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:04:34,391 INFO L87 Difference]: Start difference. First operand 193 states and 247 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:04:35,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:04:35,792 INFO L93 Difference]: Finished difference Result 372 states and 482 transitions. [2021-11-25 18:04:35,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:04:35,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2021-11-25 18:04:35,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:04:35,798 INFO L225 Difference]: With dead ends: 372 [2021-11-25 18:04:35,798 INFO L226 Difference]: Without dead ends: 195 [2021-11-25 18:04:35,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:04:35,801 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 1 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:04:35,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 518 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 18:04:35,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-25 18:04:35,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2021-11-25 18:04:35,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 168 states have (on average 1.2321428571428572) internal successors, (207), 185 states have internal predecessors, (207), 21 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2021-11-25 18:04:35,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 250 transitions. [2021-11-25 18:04:35,818 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 250 transitions. Word has length 45 [2021-11-25 18:04:35,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:04:35,818 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 250 transitions. [2021-11-25 18:04:35,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:04:35,819 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 250 transitions. [2021-11-25 18:04:35,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 18:04:35,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:04:35,820 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:04:35,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:04:36,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:04:36,033 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:04:36,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:04:36,034 INFO L85 PathProgramCache]: Analyzing trace with hash -908612650, now seen corresponding path program 1 times [2021-11-25 18:04:36,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:04:36,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293193632] [2021-11-25 18:04:36,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:04:36,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:04:36,094 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:04:36,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1399527454] [2021-11-25 18:04:36,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:04:36,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:04:36,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:04:36,096 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:04:36,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a15bd86-f862-4d86-9d0d-cdb02dc1518a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:04:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:04:37,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 18:04:37,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:04:37,437 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:04:37,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:04:37,620 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:04:37,621 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:04:37,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293193632] [2021-11-25 18:04:37,621 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:04:37,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399527454] [2021-11-25 18:04:37,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399527454] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:04:37,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2077508337] [2021-11-25 18:04:37,642 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2021-11-25 18:04:37,642 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:04:37,647 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:04:37,652 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:04:37,652 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:04:37,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:37,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:37,781 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 18:04:37,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-25 18:04:37,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:37,816 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:04:37,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:37,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:37,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:37,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:37,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:37,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:04:37,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:37,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:37,949 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:04:37,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:37,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:37,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:37,999 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:04:37,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:38,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:38,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:38,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2021-11-25 18:04:38,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 76 [2021-11-25 18:04:38,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:38,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:38,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:38,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 18:04:38,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 18:04:38,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:38,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:38,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 18:04:39,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:39,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:39,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,138 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:04:39,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:39,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 18:04:39,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:39,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:39,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:39,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 68 treesize of output 67 [2021-11-25 18:04:39,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 70 treesize of output 69 [2021-11-25 18:04:39,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 68 treesize of output 67 [2021-11-25 18:04:39,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:39,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:39,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:39,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 18:04:39,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:39,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:39,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 18:04:39,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:39,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:39,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:04:46,887 WARN L227 SmtUtils]: Spent 7.01s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:04:46,888 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:04:46,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 18:04:46,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:58,745 WARN L227 SmtUtils]: Spent 11.73s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:04:58,746 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:04:58,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 18:04:58,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:04:59,255 INFO L244 Elim1Store]: Index analysis took 282 ms [2021-11-25 18:05:09,641 WARN L227 SmtUtils]: Spent 10.08s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:05:09,642 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:05:09,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 18:05:10,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:10,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:10,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:10,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:10,342 INFO L244 Elim1Store]: Index analysis took 184 ms [2021-11-25 18:05:11,103 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 18:05:11,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 18:05:11,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:11,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:11,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:11,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:11,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 18:05:11,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:12,062 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:05:12,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 46 treesize of output 30 [2021-11-25 18:05:12,100 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:12,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:12,421 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:05:12,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 18:05:12,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:12,645 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 18:05:12,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 18:05:12,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:12,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 18:05:12,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:12,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 15 [2021-11-25 18:05:12,884 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:12,910 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:13,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:13,124 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 18:05:13,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-25 18:05:13,233 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:13,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:13,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:13,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:13,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-25 18:05:14,106 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:14,130 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:14,213 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:14,237 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:14,300 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:14,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:14,414 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:14,462 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:14,522 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:14,562 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:14,629 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:14,659 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:14,725 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:14,773 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:14,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:14,900 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:14,933 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:14,973 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:15,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:15,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:15,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:15,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:15,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:15,252 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:05:15,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 2636 treesize of output 2438 [2021-11-25 18:05:15,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:15,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:15,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:15,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:15,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:15,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:15,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:15,517 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:05:15,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 2736 treesize of output 2532 [2021-11-25 18:05:15,609 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:15,653 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:15,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:15,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:15,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:15,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2615 treesize of output 2245 [2021-11-25 18:05:16,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:16,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:16,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:16,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:16,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2715 treesize of output 2339 [2021-11-25 18:05:16,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:16,157 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:16,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:16,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:16,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:16,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:16,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2615 treesize of output 2245 [2021-11-25 18:05:16,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:16,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:16,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:16,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:16,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:16,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2715 treesize of output 2339 [2021-11-25 18:05:16,548 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:16,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:17,022 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:17,068 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:17,105 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:17,167 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:17,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:17,264 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:17,329 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:17,380 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:17,434 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:17,483 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:17,528 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:17,575 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:17,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:17,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:17,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2683 treesize of output 2245 [2021-11-25 18:05:17,989 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:18,017 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:18,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:18,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:18,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:18,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:18,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2783 treesize of output 2339 [2021-11-25 18:05:18,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:18,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:18,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:18,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:18,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:18,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:18,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:18,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:18,383 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-25 18:05:18,394 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 18:05:18,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2804 treesize of output 2342 [2021-11-25 18:05:18,466 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:18,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:18,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:18,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:18,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:18,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:18,684 INFO L244 Elim1Store]: Index analysis took 117 ms [2021-11-25 18:05:18,787 INFO L354 Elim1Store]: treesize reduction 55, result has 22.5 percent of original size [2021-11-25 18:05:18,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 2704 treesize of output 2264 [2021-11-25 18:05:18,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:18,993 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:19,023 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:19,048 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:19,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:19,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:19,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:19,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:19,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:19,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:19,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:19,440 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-25 18:05:19,457 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 18:05:19,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 2792 treesize of output 2342 [2021-11-25 18:05:19,505 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:19,546 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:19,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:19,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:19,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:19,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:19,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:19,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:19,746 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 18:05:19,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 2692 treesize of output 2248 [2021-11-25 18:05:19,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:20,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:20,059 INFO L244 Elim1Store]: Index analysis took 134 ms [2021-11-25 18:05:21,006 INFO L354 Elim1Store]: treesize reduction 1186, result has 34.9 percent of original size [2021-11-25 18:05:21,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2713 treesize of output 2887 [2021-11-25 18:05:21,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:21,406 INFO L244 Elim1Store]: Index analysis took 160 ms [2021-11-25 18:05:23,145 INFO L354 Elim1Store]: treesize reduction 1185, result has 36.7 percent of original size [2021-11-25 18:05:23,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 2813 treesize of output 3032 [2021-11-25 18:05:23,448 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:23,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:23,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:23,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:23,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:24,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:24,282 INFO L354 Elim1Store]: treesize reduction 793, result has 32.0 percent of original size [2021-11-25 18:05:24,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2792 treesize of output 2716 [2021-11-25 18:05:24,358 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:24,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:24,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:24,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:24,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:24,929 INFO L354 Elim1Store]: treesize reduction 793, result has 31.7 percent of original size [2021-11-25 18:05:24,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2692 treesize of output 2616 [2021-11-25 18:05:25,462 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:25,524 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:25,561 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:25,585 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:25,655 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:25,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:25,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:25,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:25,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:25,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:25,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:25,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:25,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:25,921 INFO L244 Elim1Store]: Index analysis took 185 ms [2021-11-25 18:05:25,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2804 treesize of output 2342 [2021-11-25 18:05:26,000 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:26,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:26,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,246 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-11-25 18:05:26,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2704 treesize of output 2248 [2021-11-25 18:05:26,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:26,445 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:26,480 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:26,505 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:26,646 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:26,683 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:26,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:26,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:26,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2804 treesize of output 2342 [2021-11-25 18:05:26,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:26,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:05:26,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:26,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2704 treesize of output 2248 [2021-11-25 18:05:27,082 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:27,119 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:05:28,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:28,724 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-11-25 18:05:28,896 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 18:05:28,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4042 treesize of output 3586 [2021-11-25 18:05:30,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:30,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:30,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:30,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:05:30,148 INFO L244 Elim1Store]: Index analysis took 148 ms [2021-11-25 18:05:33,389 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 18:05:33,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 78023 treesize of output 79003