./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/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_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/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_16b97cb5-3adf-4e27-ae92-c4f9a057938d/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 7770ba1119c1ebb05279b2f71af570d7d6521032dfc344bf6d89fc60d99335e2 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:29:37,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:29:37,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:29:37,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:29:37,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:29:37,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:29:37,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:29:37,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:29:37,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:29:37,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:29:37,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:29:37,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:29:37,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:29:37,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:29:37,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:29:37,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:29:37,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:29:37,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:29:37,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:29:37,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:29:37,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:29:37,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:29:37,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:29:37,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:29:37,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:29:37,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:29:37,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:29:37,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:29:37,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:29:37,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:29:37,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:29:37,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:29:37,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:29:37,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:29:37,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:29:37,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:29:37,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:29:37,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:29:37,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:29:37,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:29:37,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:29:37,927 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:29:37,981 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:29:37,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:29:37,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:29:37,982 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:29:37,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:29:37,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:29:37,983 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:29:37,984 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:29:37,984 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:29:37,984 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:29:37,985 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:29:37,986 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:29:37,986 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:29:37,986 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:29:37,986 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:29:37,987 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:29:37,987 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:29:37,987 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:29:37,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:29:37,988 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:29:37,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:29:37,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:29:37,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:29:37,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:29:37,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:29:37,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:29:37,991 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:29:37,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:29:37,992 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:29:37,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:29:37,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:29:37,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:29:37,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:29:37,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:29:37,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:29:37,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:29:37,994 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:29:37,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:29:37,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:29:37,994 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:29:37,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:29:37,995 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_16b97cb5-3adf-4e27-ae92-c4f9a057938d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7770ba1119c1ebb05279b2f71af570d7d6521032dfc344bf6d89fc60d99335e2 [2021-11-25 19:29:38,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:29:38,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:29:38,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:29:38,356 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:29:38,357 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:29:38,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i [2021-11-25 19:29:38,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/data/567fb5418/3dee5b4b8f904d618124f0e54361fabc/FLAG6d689b6ee [2021-11-25 19:29:39,100 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:29:39,101 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i [2021-11-25 19:29:39,132 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/data/567fb5418/3dee5b4b8f904d618124f0e54361fabc/FLAG6d689b6ee [2021-11-25 19:29:39,292 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/data/567fb5418/3dee5b4b8f904d618124f0e54361fabc [2021-11-25 19:29:39,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:29:39,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:29:39,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:29:39,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:29:39,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:29:39,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:29:39" (1/1) ... [2021-11-25 19:29:39,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a0052f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:29:39, skipping insertion in model container [2021-11-25 19:29:39,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:29:39" (1/1) ... [2021-11-25 19:29:39,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:29:39,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:29:39,935 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_16b97cb5-3adf-4e27-ae92-c4f9a057938d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i[33021,33034] [2021-11-25 19:29:40,165 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_16b97cb5-3adf-4e27-ae92-c4f9a057938d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i[49681,49694] [2021-11-25 19:29:40,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:29:40,191 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:29:40,224 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_16b97cb5-3adf-4e27-ae92-c4f9a057938d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i[33021,33034] [2021-11-25 19:29:40,314 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_16b97cb5-3adf-4e27-ae92-c4f9a057938d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i[49681,49694] [2021-11-25 19:29:40,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:29:40,369 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:29:40,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:29:40 WrapperNode [2021-11-25 19:29:40,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:29:40,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:29:40,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:29:40,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:29:40,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:29:40" (1/1) ... [2021-11-25 19:29:40,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:29:40" (1/1) ... [2021-11-25 19:29:40,595 INFO L137 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1557 [2021-11-25 19:29:40,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:29:40,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:29:40,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:29:40,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:29:40,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:29:40" (1/1) ... [2021-11-25 19:29:40,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:29:40" (1/1) ... [2021-11-25 19:29:40,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:29:40" (1/1) ... [2021-11-25 19:29:40,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:29:40" (1/1) ... [2021-11-25 19:29:40,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:29:40" (1/1) ... [2021-11-25 19:29:40,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:29:40" (1/1) ... [2021-11-25 19:29:40,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:29:40" (1/1) ... [2021-11-25 19:29:40,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:29:40,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:29:40,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:29:40,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:29:40,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:29:40" (1/1) ... [2021-11-25 19:29:40,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:29:40,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:29:40,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:29:40,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:29:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:29:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 19:29:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 19:29:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:29:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:29:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:29:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:29:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:29:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:29:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:29:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:29:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:29:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:29:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:29:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:29:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:29:41,153 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:29:41,155 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:29:42,783 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:29:43,397 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:29:43,398 INFO L301 CfgBuilder]: Removed 92 assume(true) statements. [2021-11-25 19:29:43,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:29:43 BoogieIcfgContainer [2021-11-25 19:29:43,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:29:43,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:29:43,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:29:43,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:29:43,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:29:39" (1/3) ... [2021-11-25 19:29:43,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70448dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:29:43, skipping insertion in model container [2021-11-25 19:29:43,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:29:40" (2/3) ... [2021-11-25 19:29:43,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70448dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:29:43, skipping insertion in model container [2021-11-25 19:29:43,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:29:43" (3/3) ... [2021-11-25 19:29:43,415 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test5-2.i [2021-11-25 19:29:43,421 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:29:43,422 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 19:29:43,493 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:29:43,514 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 19:29:43,515 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 19:29:43,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 19:29:43,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 19:29:43,551 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:29:43,551 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-25 19:29:43,552 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:29:43,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:29:43,559 INFO L85 PathProgramCache]: Analyzing trace with hash -2112910889, now seen corresponding path program 1 times [2021-11-25 19:29:43,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:29:43,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204286324] [2021-11-25 19:29:43,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:29:43,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:29:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:29:43,795 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 19:29:43,796 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:29:43,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204286324] [2021-11-25 19:29:43,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204286324] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:29:43,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:29:43,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:29:43,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988387717] [2021-11-25 19:29:43,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:29:43,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:29:43,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:29:43,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:29:43,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:29:43,839 INFO L87 Difference]: Start difference. First operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 19:29:46,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:29:46,033 INFO L93 Difference]: Finished difference Result 469 states and 850 transitions. [2021-11-25 19:29:46,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:29:46,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-11-25 19:29:46,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:29:46,061 INFO L225 Difference]: With dead ends: 469 [2021-11-25 19:29:46,061 INFO L226 Difference]: Without dead ends: 290 [2021-11-25 19:29:46,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 19:29:46,070 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 149 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:29:46,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 360 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 19:29:46,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-11-25 19:29:46,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2021-11-25 19:29:46,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 142 states have internal predecessors, (162), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 19:29:46,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2021-11-25 19:29:46,143 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 6 [2021-11-25 19:29:46,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:29:46,144 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2021-11-25 19:29:46,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 19:29:46,144 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2021-11-25 19:29:46,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 19:29:46,149 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:29:46,149 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:29:46,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:29:46,150 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:29:46,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:29:46,151 INFO L85 PathProgramCache]: Analyzing trace with hash 243995739, now seen corresponding path program 1 times [2021-11-25 19:29:46,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:29:46,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169025853] [2021-11-25 19:29:46,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:29:46,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:29:46,424 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:29:46,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1784552631] [2021-11-25 19:29:46,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:29:46,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:29:46,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:29:46,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:29:46,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:29:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:29:47,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 3095 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:29:47,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:29:47,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:29:47,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:29:48,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:29:48,123 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:29:48,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169025853] [2021-11-25 19:29:48,124 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:29:48,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784552631] [2021-11-25 19:29:48,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784552631] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:29:48,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1313733162] [2021-11-25 19:29:48,168 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2021-11-25 19:29:48,169 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:29:48,175 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:29:48,181 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:29:48,182 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:29:48,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:48,415 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:29:48,416 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 19:29:48,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:48,442 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 19:29:48,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:48,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:48,568 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:29:48,569 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 19:29:48,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:48,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:48,592 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 19:29:48,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:48,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:29:48,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 19:29:48,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:48,662 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 19:29:48,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:48,686 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 19:29:49,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 19:29:49,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 19:29:49,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,312 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 19:29:49,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,348 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 19:29:49,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,661 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 19:29:49,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,689 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 19:29:49,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 19:29:49,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:49,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 19:29:49,765 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:29:51,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1313733162] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:29:51,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 19:29:51,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-25 19:29:51,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962612458] [2021-11-25 19:29:51,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:29:51,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 19:29:51,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:29:51,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 19:29:51,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:29:51,103 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 19:29:54,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:29:54,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:29:54,655 INFO L93 Difference]: Finished difference Result 313 states and 382 transitions. [2021-11-25 19:29:54,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 19:29:54,656 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 61 [2021-11-25 19:29:54,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:29:54,658 INFO L225 Difference]: With dead ends: 313 [2021-11-25 19:29:54,658 INFO L226 Difference]: Without dead ends: 164 [2021-11-25 19:29:54,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:29:54,661 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 14 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:29:54,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 295 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-25 19:29:54,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-25 19:29:54,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 161. [2021-11-25 19:29:54,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 146 states have (on average 1.178082191780822) internal successors, (172), 152 states have internal predecessors, (172), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 19:29:54,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2021-11-25 19:29:54,681 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2021-11-25 19:29:54,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:29:54,681 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2021-11-25 19:29:54,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 19:29:54,682 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2021-11-25 19:29:54,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 19:29:54,685 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:29:54,686 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:29:54,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 19:29:54,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:29:54,902 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:29:54,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:29:54,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1551302318, now seen corresponding path program 1 times [2021-11-25 19:29:54,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:29:54,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156808406] [2021-11-25 19:29:54,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:29:54,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:29:55,037 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:29:55,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1602732219] [2021-11-25 19:29:55,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:29:55,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:29:55,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:29:55,045 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:29:55,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:29:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:29:56,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:29:56,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:29:56,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 19:29:56,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:29:56,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 19:29:56,543 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:29:56,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156808406] [2021-11-25 19:29:56,544 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:29:56,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602732219] [2021-11-25 19:29:56,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602732219] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:29:56,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1381137378] [2021-11-25 19:29:56,550 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-25 19:29:56,550 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:29:56,551 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:29:56,551 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:29:56,552 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:29:56,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:56,667 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:29:56,668 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 19:29:56,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:56,679 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 19:29:56,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:56,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:56,741 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:29:56,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 19:29:56,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:56,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:29:56,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:56,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:29:56,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:56,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:29:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:56,809 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 19:29:56,809 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 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-25 19:29:56,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:56,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:56,862 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:29:56,863 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 19:29:57,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,191 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 19:29:57,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,215 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 19:29:57,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 19:29:57,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 19:29:57,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,318 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 19:29:57,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 19:29:57,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,377 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 19:29:57,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,426 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 19:29:57,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,459 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 19:29:57,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,549 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 19:29:57,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 19:29:57,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,570 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 19:29:57,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:57,609 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 70 treesize of output 69 [2021-11-25 19:29:58,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,076 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 19:29:58,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,095 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 19:29:58,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 19:29:58,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 19:29:58,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,179 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 19:29:58,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,195 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 19:29:58,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 19:29:58,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,286 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 19:29:58,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,310 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 70 treesize of output 69 [2021-11-25 19:29:58,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,346 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 19:29:58,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,373 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 19:29:58,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:29:58,400 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 19:29:58,669 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 113 for LOIs [2021-11-25 19:29:58,752 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:30:01,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1381137378] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:30:01,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 19:30:01,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-25 19:30:01,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743295793] [2021-11-25 19:30:01,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:30:01,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:30:01,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:30:01,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:30:01,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:30:01,281 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:30:06,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:30:10,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:30:12,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:30:12,167 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2021-11-25 19:30:12,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 19:30:12,168 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2021-11-25 19:30:12,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:30:12,170 INFO L225 Difference]: With dead ends: 315 [2021-11-25 19:30:12,170 INFO L226 Difference]: Without dead ends: 166 [2021-11-25 19:30:12,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 201 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:30:12,173 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 7 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 81 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:30:12,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 841 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 313 Invalid, 1 Unknown, 81 Unchecked, 10.9s Time] [2021-11-25 19:30:12,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-25 19:30:12,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2021-11-25 19:30:12,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 156 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-25 19:30:12,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2021-11-25 19:30:12,196 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2021-11-25 19:30:12,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:30:12,196 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2021-11-25 19:30:12,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:30:12,197 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2021-11-25 19:30:12,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 19:30:12,200 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:30:12,200 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:30:12,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:30:12,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:30:12,420 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:30:12,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:30:12,421 INFO L85 PathProgramCache]: Analyzing trace with hash 641923186, now seen corresponding path program 1 times [2021-11-25 19:30:12,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:30:12,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402604447] [2021-11-25 19:30:12,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:30:12,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:30:12,616 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:30:12,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [270836721] [2021-11-25 19:30:12,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:30:12,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:30:12,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:30:12,623 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:30:12,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b97cb5-3adf-4e27-ae92-c4f9a057938d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:30:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:30:13,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 2247 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:30:13,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:30:13,948 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 19:30:13,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:30:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 19:30:14,134 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:30:14,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402604447] [2021-11-25 19:30:14,134 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:30:14,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270836721] [2021-11-25 19:30:14,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270836721] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:30:14,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1134676597] [2021-11-25 19:30:14,139 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-25 19:30:14,139 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:30:14,140 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:30:14,140 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:30:14,140 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:30:14,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,235 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:30:14,236 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 19:30:14,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,250 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 19:30:14,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:30:14,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,317 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:30:14,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 19:30:14,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:30:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,377 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:30:14,378 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 19:30:14,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:30:14,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 19:30:14,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,701 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 19:30:14,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,717 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 19:30:14,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 19:30:14,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 19:30:14,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,812 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 19:30:14,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 19:30:14,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 19:30:14,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,919 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 70 treesize of output 69 [2021-11-25 19:30:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,943 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 19:30:14,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,968 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 19:30:14,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:14,996 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 19:30:15,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,021 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 19:30:15,106 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 13 treesize of output 9 [2021-11-25 19:30:15,110 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 19:30:15,115 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 19:30:15,177 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:30:15,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 60 [2021-11-25 19:30:15,211 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:30:15,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2021-11-25 19:30:15,244 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:30:15,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2021-11-25 19:30:15,285 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 19:30:15,290 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 19:30:15,296 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 19:30:15,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 19:30:15,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,392 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 19:30:15,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,414 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 19:30:15,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,536 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 19:30:15,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 19:30:15,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:15,631 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 19:30:23,607 WARN L227 SmtUtils]: Spent 7.85s 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 19:30:23,607 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 19:30:23,608 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 19:30:23,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:35,225 WARN L227 SmtUtils]: Spent 11.48s 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 19:30:35,225 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 19:30:35,226 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 19:30:35,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:35,742 INFO L244 Elim1Store]: Index analysis took 366 ms [2021-11-25 19:30:48,196 WARN L227 SmtUtils]: Spent 12.18s 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 19:30:48,197 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 19:30:48,228 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 19:30:48,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:48,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:48,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:48,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:48,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:48,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:48,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:48,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:48,818 INFO L244 Elim1Store]: Index analysis took 209 ms [2021-11-25 19:30:48,831 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 19:30:48,831 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 19:30:49,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:49,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:49,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:49,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:49,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:49,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:49,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:49,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:49,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:49,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:49,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:49,282 INFO L244 Elim1Store]: Index analysis took 259 ms [2021-11-25 19:30:49,284 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 19:30:49,642 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:49,671 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:49,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:49,849 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 19:30:49,849 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 19:30:49,919 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:30:50,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:30:50,383 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:30:50,384 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