./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.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_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/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_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/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_81961ce9-97ce-4406-873a-278283a2232d/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 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:39:07,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:39:07,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:39:08,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:39:08,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:39:08,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:39:08,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:39:08,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:39:08,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:39:08,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:39:08,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:39:08,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:39:08,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:39:08,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:39:08,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:39:08,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:39:08,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:39:08,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:39:08,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:39:08,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:39:08,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:39:08,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:39:08,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:39:08,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:39:08,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:39:08,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:39:08,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:39:08,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:39:08,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:39:08,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:39:08,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:39:08,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:39:08,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:39:08,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:39:08,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:39:08,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:39:08,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:39:08,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:39:08,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:39:08,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:39:08,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:39:08,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:39:08,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:39:08,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:39:08,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:39:08,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:39:08,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:39:08,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:39:08,168 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:39:08,168 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:39:08,169 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:39:08,169 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:39:08,169 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:39:08,169 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:39:08,170 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:39:08,170 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:39:08,170 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:39:08,171 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:39:08,171 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:39:08,171 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:39:08,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:39:08,172 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:39:08,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:39:08,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:39:08,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:39:08,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:39:08,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:39:08,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:39:08,174 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:39:08,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:39:08,175 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:39:08,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:39:08,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:39:08,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:39:08,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:39:08,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:39:08,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:39:08,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:39:08,177 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:39:08,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:39:08,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:39:08,178 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:39:08,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:39:08,178 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_81961ce9-97ce-4406-873a-278283a2232d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7 [2021-11-25 19:39:08,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:39:08,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:39:08,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:39:08,506 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:39:08,507 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:39:08,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i [2021-11-25 19:39:08,589 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/data/9cbaf9331/0bdb149bcf364a238839426eaa60524a/FLAG7752f8ebf [2021-11-25 19:39:09,345 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:39:09,346 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i [2021-11-25 19:39:09,368 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/data/9cbaf9331/0bdb149bcf364a238839426eaa60524a/FLAG7752f8ebf [2021-11-25 19:39:09,524 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/data/9cbaf9331/0bdb149bcf364a238839426eaa60524a [2021-11-25 19:39:09,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:39:09,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:39:09,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:39:09,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:39:09,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:39:09,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:39:09" (1/1) ... [2021-11-25 19:39:09,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97376aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:09, skipping insertion in model container [2021-11-25 19:39:09,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:39:09" (1/1) ... [2021-11-25 19:39:09,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:39:09,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:39:10,355 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_81961ce9-97ce-4406-873a-278283a2232d/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[33021,33034] [2021-11-25 19:39:10,572 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_81961ce9-97ce-4406-873a-278283a2232d/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44124,44137] [2021-11-25 19:39:10,575 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_81961ce9-97ce-4406-873a-278283a2232d/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44245,44258] [2021-11-25 19:39:10,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:39:10,606 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:39:10,666 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_81961ce9-97ce-4406-873a-278283a2232d/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[33021,33034] [2021-11-25 19:39:10,725 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_81961ce9-97ce-4406-873a-278283a2232d/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44124,44137] [2021-11-25 19:39:10,726 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_81961ce9-97ce-4406-873a-278283a2232d/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44245,44258] [2021-11-25 19:39:10,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:39:10,784 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:39:10,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:10 WrapperNode [2021-11-25 19:39:10,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:39:10,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:39:10,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:39:10,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:39:10,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:10" (1/1) ... [2021-11-25 19:39:10,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:10" (1/1) ... [2021-11-25 19:39:10,907 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 996 [2021-11-25 19:39:10,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:39:10,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:39:10,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:39:10,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:39:10,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:10" (1/1) ... [2021-11-25 19:39:10,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:10" (1/1) ... [2021-11-25 19:39:10,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:10" (1/1) ... [2021-11-25 19:39:10,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:10" (1/1) ... [2021-11-25 19:39:11,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:10" (1/1) ... [2021-11-25 19:39:11,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:10" (1/1) ... [2021-11-25 19:39:11,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:10" (1/1) ... [2021-11-25 19:39:11,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:39:11,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:39:11,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:39:11,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:39:11,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:10" (1/1) ... [2021-11-25 19:39:11,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:39:11,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:39:11,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:39:11,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:39:11,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:39:11,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:39:11,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:39:11,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:39:11,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:39:11,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:39:11,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:39:11,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:39:11,171 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:39:11,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:39:11,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:39:11,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:39:11,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:39:11,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:39:11,361 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:39:11,363 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:39:12,657 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:39:13,167 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:39:13,168 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-25 19:39:13,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:39:13 BoogieIcfgContainer [2021-11-25 19:39:13,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:39:13,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:39:13,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:39:13,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:39:13,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:39:09" (1/3) ... [2021-11-25 19:39:13,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd538d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:39:13, skipping insertion in model container [2021-11-25 19:39:13,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:10" (2/3) ... [2021-11-25 19:39:13,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd538d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:39:13, skipping insertion in model container [2021-11-25 19:39:13,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:39:13" (3/3) ... [2021-11-25 19:39:13,190 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test7-1.i [2021-11-25 19:39:13,198 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:39:13,199 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 19:39:13,275 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:39:13,291 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 19:39:13,292 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 19:39:13,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 19:39:13,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 19:39:13,324 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:39:13,325 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:39:13,326 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:39:13,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:39:13,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1906206326, now seen corresponding path program 1 times [2021-11-25 19:39:13,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:39:13,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635449468] [2021-11-25 19:39:13,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:39:13,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:39:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:39:13,608 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 19:39:13,609 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:39:13,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635449468] [2021-11-25 19:39:13,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635449468] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:39:13,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:39:13,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:39:13,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501695894] [2021-11-25 19:39:13,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:39:13,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:39:13,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:39:13,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:39:13,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:39:13,667 INFO L87 Difference]: Start difference. First operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 19:39:14,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:39:14,280 INFO L93 Difference]: Finished difference Result 215 states and 377 transitions. [2021-11-25 19:39:14,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:39:14,290 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2021-11-25 19:39:14,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:39:14,300 INFO L225 Difference]: With dead ends: 215 [2021-11-25 19:39:14,300 INFO L226 Difference]: Without dead ends: 107 [2021-11-25 19:39:14,304 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 19:39:14,308 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:39:14,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 19:39:14,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-25 19:39:14,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-25 19:39:14,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 102 states have internal predecessors, (119), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 19:39:14,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2021-11-25 19:39:14,365 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2021-11-25 19:39:14,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:39:14,366 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2021-11-25 19:39:14,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 19:39:14,366 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2021-11-25 19:39:14,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 19:39:14,367 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:39:14,367 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:39:14,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:39:14,368 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:39:14,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:39:14,369 INFO L85 PathProgramCache]: Analyzing trace with hash 30908713, now seen corresponding path program 1 times [2021-11-25 19:39:14,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:39:14,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038064287] [2021-11-25 19:39:14,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:39:14,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:39:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:39:14,448 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 19:39:14,449 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:39:14,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038064287] [2021-11-25 19:39:14,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038064287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:39:14,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:39:14,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:39:14,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89938194] [2021-11-25 19:39:14,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:39:14,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:39:14,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:39:14,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:39:14,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:39:14,453 INFO L87 Difference]: Start difference. First operand 107 states and 125 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 19:39:16,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:39:16,909 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2021-11-25 19:39:16,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:39:16,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2021-11-25 19:39:16,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:39:16,920 INFO L225 Difference]: With dead ends: 219 [2021-11-25 19:39:16,920 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 19:39:16,921 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 19:39:16,923 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:39:16,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 285 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:39:16,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 19:39:16,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2021-11-25 19:39:16,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 103 states have (on average 1.174757281553398) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 19:39:16,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2021-11-25 19:39:16,942 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2021-11-25 19:39:16,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:39:16,943 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2021-11-25 19:39:16,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 19:39:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2021-11-25 19:39:16,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 19:39:16,945 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:39:16,946 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:39:16,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:39:16,947 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:39:16,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:39:16,948 INFO L85 PathProgramCache]: Analyzing trace with hash -667749530, now seen corresponding path program 1 times [2021-11-25 19:39:16,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:39:16,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305645286] [2021-11-25 19:39:16,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:39:16,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:39:17,151 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:39:17,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [543919485] [2021-11-25 19:39:17,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:39:17,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:39:17,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:39:17,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:39:17,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:39:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:39:18,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 1596 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:39:18,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:39:18,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:39:18,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:39:18,273 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:39:18,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305645286] [2021-11-25 19:39:18,275 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:39:18,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543919485] [2021-11-25 19:39:18,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543919485] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:39:18,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:39:18,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:39:18,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710281184] [2021-11-25 19:39:18,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:39:18,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:39:18,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:39:18,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:39:18,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:39:18,292 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 19:39:19,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:39:19,433 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2021-11-25 19:39:19,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:39:19,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 33 [2021-11-25 19:39:19,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:39:19,440 INFO L225 Difference]: With dead ends: 265 [2021-11-25 19:39:19,440 INFO L226 Difference]: Without dead ends: 159 [2021-11-25 19:39:19,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 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 19:39:19,443 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:39:19,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 208 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 19:39:19,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-25 19:39:19,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2021-11-25 19:39:19,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 147 states have internal predecessors, (170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 19:39:19,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2021-11-25 19:39:19,463 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2021-11-25 19:39:19,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:39:19,463 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2021-11-25 19:39:19,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 19:39:19,464 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2021-11-25 19:39:19,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 19:39:19,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:39:19,467 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] [2021-11-25 19:39:19,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:39:19,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:39:19,681 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:39:19,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:39:19,682 INFO L85 PathProgramCache]: Analyzing trace with hash -357184176, now seen corresponding path program 1 times [2021-11-25 19:39:19,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:39:19,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825479286] [2021-11-25 19:39:19,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:39:19,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:39:19,747 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:39:19,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2122807866] [2021-11-25 19:39:19,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:39:19,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:39:19,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:39:19,749 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:39:19,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:39:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:39:20,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:39:20,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:39:20,512 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 11 treesize of output 7 [2021-11-25 19:39:20,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 19:39:20,562 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 19:39:20,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:39:20,566 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:39:20,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825479286] [2021-11-25 19:39:20,566 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:39:20,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122807866] [2021-11-25 19:39:20,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122807866] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:39:20,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:39:20,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:39:20,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524719122] [2021-11-25 19:39:20,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:39:20,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:39:20,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:39:20,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:39:20,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:39:20,570 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:39:22,813 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:39:23,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:39:23,532 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2021-11-25 19:39:23,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:39:23,544 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2021-11-25 19:39:23,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:39:23,546 INFO L225 Difference]: With dead ends: 201 [2021-11-25 19:39:23,546 INFO L226 Difference]: Without dead ends: 197 [2021-11-25 19:39:23,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 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 19:39:23,548 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 46 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:39:23,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 287 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-25 19:39:23,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-11-25 19:39:23,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2021-11-25 19:39:23,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 148 states have (on average 1.162162162162162) internal successors, (172), 149 states have internal predecessors, (172), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 19:39:23,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2021-11-25 19:39:23,567 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2021-11-25 19:39:23,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:39:23,569 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2021-11-25 19:39:23,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:39:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2021-11-25 19:39:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 19:39:23,572 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:39:23,573 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:39:23,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:39:23,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:39:23,788 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:39:23,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:39:23,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1806423702, now seen corresponding path program 1 times [2021-11-25 19:39:23,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:39:23,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696054825] [2021-11-25 19:39:23,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:39:23,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:39:23,867 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:39:23,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1194168207] [2021-11-25 19:39:23,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:39:23,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:39:23,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:39:23,875 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:39:23,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:39:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:39:24,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:39:24,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:39:24,707 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 19:39:24,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:39:24,708 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:39:24,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696054825] [2021-11-25 19:39:24,708 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:39:24,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194168207] [2021-11-25 19:39:24,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194168207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:39:24,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:39:24,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:39:24,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370680779] [2021-11-25 19:39:24,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:39:24,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:39:24,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:39:24,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:39:24,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:39:24,712 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:39:25,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:39:25,806 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2021-11-25 19:39:25,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:39:25,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-11-25 19:39:25,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:39:25,818 INFO L225 Difference]: With dead ends: 344 [2021-11-25 19:39:25,819 INFO L226 Difference]: Without dead ends: 206 [2021-11-25 19:39:25,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:39:25,821 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 227 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:39:25,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 175 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 19:39:25,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-11-25 19:39:25,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2021-11-25 19:39:25,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 193 states have (on average 1.1709844559585492) internal successors, (226), 194 states have internal predecessors, (226), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 19:39:25,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2021-11-25 19:39:25,845 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2021-11-25 19:39:25,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:39:25,846 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2021-11-25 19:39:25,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:39:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2021-11-25 19:39:25,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 19:39:25,849 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:39:25,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:39:25,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-25 19:39:26,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:39:26,060 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:39:26,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:39:26,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1808435595, now seen corresponding path program 1 times [2021-11-25 19:39:26,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:39:26,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387833365] [2021-11-25 19:39:26,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:39:26,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:39:26,124 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:39:26,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [25567380] [2021-11-25 19:39:26,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:39:26,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:39:26,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:39:26,131 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:39:26,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 19:39:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:39:33,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 19:39:33,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:39:33,804 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:39:33,804 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:39:33,804 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:39:33,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387833365] [2021-11-25 19:39:33,805 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:39:33,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25567380] [2021-11-25 19:39:33,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25567380] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:39:33,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:39:33,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:39:33,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895392775] [2021-11-25 19:39:33,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:39:33,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:39:33,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:39:33,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:39:33,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:39:33,807 INFO L87 Difference]: Start difference. First operand 199 states and 232 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:39:36,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:39:36,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:39:36,808 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2021-11-25 19:39:36,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:39:36,815 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2021-11-25 19:39:36,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:39:36,818 INFO L225 Difference]: With dead ends: 381 [2021-11-25 19:39:36,818 INFO L226 Difference]: Without dead ends: 201 [2021-11-25 19:39:36,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:39:36,820 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:39:36,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 317 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-25 19:39:36,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-25 19:39:36,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2021-11-25 19:39:36,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-25 19:39:36,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2021-11-25 19:39:36,840 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2021-11-25 19:39:36,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:39:36,841 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2021-11-25 19:39:36,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:39:36,841 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2021-11-25 19:39:36,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 19:39:36,844 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:39:36,844 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:39:36,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 19:39:37,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-25 19:39:37,071 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:39:37,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:39:37,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1272133155, now seen corresponding path program 1 times [2021-11-25 19:39:37,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:39:37,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364637345] [2021-11-25 19:39:37,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:39:37,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:39:37,150 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:39:37,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [951286603] [2021-11-25 19:39:37,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:39:37,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:39:37,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:39:37,160 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:39:37,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81961ce9-97ce-4406-873a-278283a2232d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 19:39:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:39:40,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 19:39:40,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:39:40,823 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:39:40,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:39:41,092 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:39:41,092 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:39:41,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364637345] [2021-11-25 19:39:41,092 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:39:41,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951286603] [2021-11-25 19:39:41,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951286603] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:39:41,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [398423704] [2021-11-25 19:39:41,119 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-25 19:39:41,120 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:39:41,126 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:39:41,132 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:39:41,133 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:39:41,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:41,367 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:39:41,368 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 19:39:41,381 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 19:39:41,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:41,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 19:39:41,407 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 19:39:41,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:41,422 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 19:39:41,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:41,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:41,523 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:39:41,524 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 19:39:41,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:41,557 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 19:39:41,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:41,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:41,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:41,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:41,580 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 19:39:41,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:41,619 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 19:39:41,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:41,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:41,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 19:39:42,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,064 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 19:39:42,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,088 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 19:39:42,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,137 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 19:39:42,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,168 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 19:39:42,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,249 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 89 treesize of output 79 [2021-11-25 19:39:42,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,285 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 19:39:42,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,315 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 19:39:42,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,337 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 19:39:42,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,403 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 19:39:42,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,441 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 19:39:42,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,489 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 19:39:42,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,519 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 19:39:42,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 19:39:42,682 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 19:39:42,688 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 19:39:42,693 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 19:39:42,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,729 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 19:39:42,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,740 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 19:39:42,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,750 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 19:39:42,777 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 19:39:42,784 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 19:39:42,794 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 19:39:42,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,904 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 19:39:42,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,927 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 78 treesize of output 30 [2021-11-25 19:39:42,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:42,960 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 46 treesize of output 16 [2021-11-25 19:39:43,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,114 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 46 treesize of output 16 [2021-11-25 19:39:43,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,145 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 19:39:43,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:39:43,178 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 78 treesize of output 30 [2021-11-25 19:39:52,631 WARN L227 SmtUtils]: Spent 9.31s 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 19:39:52,632 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 19:39:52,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 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 19:39:52,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:05,806 WARN L227 SmtUtils]: Spent 13.04s 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 19:40:05,807 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 19:40:05,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 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 19:40:06,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:06,581 INFO L244 Elim1Store]: Index analysis took 532 ms [2021-11-25 19:40:21,587 WARN L227 SmtUtils]: Spent 14.64s 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 19:40:21,589 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 19:40:21,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 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 19:40:22,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:22,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:22,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:22,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:22,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:22,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:22,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:22,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:22,508 INFO L244 Elim1Store]: Index analysis took 307 ms [2021-11-25 19:40:22,524 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 19:40:22,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 19:40:22,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:22,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:22,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:22,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:22,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:22,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:22,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:22,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:23,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:23,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:23,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:23,054 INFO L244 Elim1Store]: Index analysis took 305 ms [2021-11-25 19:40:23,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2021-11-25 19:40:23,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:23,907 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 19:40:23,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 19:40:24,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:24,322 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:40:24,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 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 19:40:24,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:24,625 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:24,752 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:24,830 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:24,953 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:25,025 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:25,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:25,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:40:25,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:25,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:40:25,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:25,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:25,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:25,391 INFO L244 Elim1Store]: Index analysis took 208 ms [2021-11-25 19:40:25,494 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:40:25,495 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 3084 treesize of output 2866 [2021-11-25 19:40:25,745 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:26,009 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:26,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:40:26,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:26,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:26,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:40:26,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:26,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:26,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:26,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:26,276 INFO L244 Elim1Store]: Index analysis took 179 ms [2021-11-25 19:40:26,279 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 3096 treesize of output 2648 [2021-11-25 19:40:26,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:26,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:40:26,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:26,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:40:26,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:26,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:40:26,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:26,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:26,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:26,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:40:26,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:26,784 INFO L244 Elim1Store]: Index analysis took 163 ms [2021-11-25 19:40:26,786 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 3105 treesize of output 2651 [2021-11-25 19:40:27,216 INFO L244 Elim1Store]: Index analysis took 257 ms [2021-11-25 19:40:30,408 INFO L354 Elim1Store]: treesize reduction 468, result has 74.7 percent of original size [2021-11-25 19:40:30,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 3105 treesize of output 4035 [2021-11-25 19:40:33,139 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:33,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:33,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:40:33,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:33,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:40:33,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:33,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:33,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:33,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:33,340 INFO L244 Elim1Store]: Index analysis took 120 ms [2021-11-25 19:40:33,342 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 3096 treesize of output 2648 [2021-11-25 19:40:33,639 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:33,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:40:33,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:40:33,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:33,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:33,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:33,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:33,911 INFO L244 Elim1Store]: Index analysis took 171 ms [2021-11-25 19:40:34,354 INFO L354 Elim1Store]: treesize reduction 6, result has 91.3 percent of original size [2021-11-25 19:40:34,355 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 3096 treesize of output 2710 [2021-11-25 19:40:35,518 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:35,577 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:35,694 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:35,775 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:35,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:40:36,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:36,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:36,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:36,070 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-25 19:40:36,072 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 3075 treesize of output 2645 [2021-11-25 19:40:36,217 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:36,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:36,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:40:36,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:36,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:36,602 INFO L244 Elim1Store]: Index analysis took 193 ms [2021-11-25 19:40:37,365 INFO L354 Elim1Store]: treesize reduction 793, result has 31.2 percent of original size [2021-11-25 19:40:37,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3084 treesize of output 3008 [2021-11-25 19:40:37,662 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:39,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:39,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 19:40:39,176 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:39,209 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:39,256 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:39,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:39,326 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 19:40:39,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:39,834 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 19:40:39,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 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 19:40:39,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:39,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:39,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:39,988 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-25 19:40:40,039 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:44,623 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:44,663 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:44,821 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:44,876 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:44,921 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:45,609 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:40:47,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:47,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:40:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver