./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.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_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/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_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/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_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/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 bfb70cce6cd508003f6161c30aa2ac99ac8ddeb6209ddd86b65ca0c623c2fb1c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:09:43,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:09:43,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:09:43,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:09:43,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:09:43,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:09:43,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:09:43,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:09:43,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:09:43,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:09:43,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:09:43,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:09:43,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:09:43,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:09:43,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:09:43,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:09:43,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:09:43,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:09:43,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:09:43,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:09:43,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:09:43,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:09:43,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:09:43,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:09:43,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:09:43,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:09:43,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:09:43,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:09:43,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:09:43,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:09:43,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:09:43,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:09:43,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:09:43,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:09:43,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:09:43,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:09:43,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:09:43,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:09:43,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:09:43,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:09:43,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:09:43,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:09:43,932 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:09:43,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:09:43,933 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:09:43,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:09:43,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:09:43,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:09:43,935 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:09:43,935 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:09:43,935 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:09:43,936 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:09:43,936 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:09:43,936 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:09:43,937 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:09:43,942 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:09:43,943 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:09:43,943 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:09:43,943 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:09:43,943 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:09:43,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:09:43,945 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:09:43,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:09:43,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:09:43,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:09:43,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:09:43,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:09:43,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:09:43,948 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:09:43,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:09:43,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:09:43,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:09:43,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:09:43,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:09:43,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:09:43,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:09:43,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:09:43,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:09:43,952 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:09:43,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:09:43,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:09:43,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:09:43,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:09:43,953 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_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfb70cce6cd508003f6161c30aa2ac99ac8ddeb6209ddd86b65ca0c623c2fb1c [2021-11-25 18:09:44,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:09:44,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:09:44,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:09:44,243 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:09:44,244 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:09:44,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i [2021-11-25 18:09:44,312 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/data/090ef6703/18c87add015645f982530c07782ea7d9/FLAG64a5819d4 [2021-11-25 18:09:44,857 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:09:44,857 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i [2021-11-25 18:09:44,873 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/data/090ef6703/18c87add015645f982530c07782ea7d9/FLAG64a5819d4 [2021-11-25 18:09:45,128 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/data/090ef6703/18c87add015645f982530c07782ea7d9 [2021-11-25 18:09:45,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:09:45,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:09:45,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:09:45,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:09:45,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:09:45,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:09:45" (1/1) ... [2021-11-25 18:09:45,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40acfb85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:45, skipping insertion in model container [2021-11-25 18:09:45,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:09:45" (1/1) ... [2021-11-25 18:09:45,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:09:45,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:09:45,685 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_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i[33021,33034] [2021-11-25 18:09:45,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:09:45,832 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:09:45,866 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_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i[33021,33034] [2021-11-25 18:09:45,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:09:45,974 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:09:45,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:45 WrapperNode [2021-11-25 18:09:45,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:09:45,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:09:45,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:09:45,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:09:45,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:45" (1/1) ... [2021-11-25 18:09:46,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:45" (1/1) ... [2021-11-25 18:09:46,076 INFO L137 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 776 [2021-11-25 18:09:46,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:09:46,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:09:46,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:09:46,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:09:46,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:45" (1/1) ... [2021-11-25 18:09:46,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:45" (1/1) ... [2021-11-25 18:09:46,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:45" (1/1) ... [2021-11-25 18:09:46,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:45" (1/1) ... [2021-11-25 18:09:46,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:45" (1/1) ... [2021-11-25 18:09:46,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:45" (1/1) ... [2021-11-25 18:09:46,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:45" (1/1) ... [2021-11-25 18:09:46,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:09:46,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:09:46,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:09:46,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:09:46,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:45" (1/1) ... [2021-11-25 18:09:46,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:09:46,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:09:46,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:09:46,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:09:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:09:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:09:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:09:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:09:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:09:46,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:09:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:09:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:09:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:09:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:09:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:09:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:09:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:09:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:09:46,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:09:46,496 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:09:46,498 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:09:47,323 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:09:47,662 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:09:47,662 INFO L301 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-25 18:09:47,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:09:47 BoogieIcfgContainer [2021-11-25 18:09:47,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:09:47,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:09:47,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:09:47,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:09:47,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:09:45" (1/3) ... [2021-11-25 18:09:47,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b99754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:09:47, skipping insertion in model container [2021-11-25 18:09:47,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:45" (2/3) ... [2021-11-25 18:09:47,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b99754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:09:47, skipping insertion in model container [2021-11-25 18:09:47,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:09:47" (3/3) ... [2021-11-25 18:09:47,676 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test1-2.i [2021-11-25 18:09:47,682 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:09:47,683 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:09:47,746 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:09:47,765 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:09:47,766 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:09:47,787 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 18:09:47,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 18:09:47,797 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:09:47,797 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:09:47,798 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:09:47,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:09:47,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1739953547, now seen corresponding path program 1 times [2021-11-25 18:09:47,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:09:47,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039831585] [2021-11-25 18:09:47,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:47,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:09:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:09:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:09:47,989 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:09:47,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039831585] [2021-11-25 18:09:47,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039831585] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:09:47,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:09:47,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:09:47,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147892141] [2021-11-25 18:09:47,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:09:47,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:09:47,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:09:48,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:09:48,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:09:48,036 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:09:49,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:09:49,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:09:49,638 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2021-11-25 18:09:49,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:09:49,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 18:09:49,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:09:49,663 INFO L225 Difference]: With dead ends: 237 [2021-11-25 18:09:49,664 INFO L226 Difference]: Without dead ends: 128 [2021-11-25 18:09:49,667 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 18:09:49,670 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:09:49,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 217 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 18:09:49,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-25 18:09:49,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2021-11-25 18:09:49,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 18:09:49,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2021-11-25 18:09:49,717 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2021-11-25 18:09:49,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:09:49,718 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2021-11-25 18:09:49,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:09:49,718 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2021-11-25 18:09:49,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 18:09:49,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:09:49,721 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] [2021-11-25 18:09:49,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:09:49,721 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:09:49,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:09:49,722 INFO L85 PathProgramCache]: Analyzing trace with hash -976039302, now seen corresponding path program 1 times [2021-11-25 18:09:49,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:09:49,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35310067] [2021-11-25 18:09:49,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:49,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:09:49,890 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:09:49,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [629324067] [2021-11-25 18:09:49,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:49,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:09:49,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:09:49,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:09:49,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:09:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:09:50,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:09:50,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:09:50,704 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 18:09:50,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:09:50,814 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 18:09:50,814 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:09:50,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35310067] [2021-11-25 18:09:50,819 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:09:50,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629324067] [2021-11-25 18:09:50,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629324067] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:09:50,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [427171630] [2021-11-25 18:09:50,853 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2021-11-25 18:09:50,856 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:09:50,861 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:09:50,867 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:09:50,868 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:09:51,023 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:09:51,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-25 18:09:51,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:09:51,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:09:51,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,086 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:09:51,087 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 18:09:51,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:09:51,157 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:09:51,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 18:09:51,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,608 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 18:09:51,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,626 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 18:09:51,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:09:51,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:09:51,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:09:51,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:51,996 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 18:09:52,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:52,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:52,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:52,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:52,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:52,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:52,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:52,018 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 18:09:52,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:52,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:52,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:52,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:09:52,063 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:09:53,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [427171630] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:09:53,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:09:53,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-25 18:09:53,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035285220] [2021-11-25 18:09:53,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:09:53,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 18:09:53,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:09:53,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 18:09:53,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:09:53,045 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:09:55,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:09:55,051 INFO L93 Difference]: Finished difference Result 173 states and 232 transitions. [2021-11-25 18:09:55,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 18:09:55,058 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-25 18:09:55,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:09:55,060 INFO L225 Difference]: With dead ends: 173 [2021-11-25 18:09:55,061 INFO L226 Difference]: Without dead ends: 94 [2021-11-25 18:09:55,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:09:55,063 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 8 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:09:55,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 333 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-25 18:09:55,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-25 18:09:55,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2021-11-25 18:09:55,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 18:09:55,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2021-11-25 18:09:55,078 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2021-11-25 18:09:55,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:09:55,079 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2021-11-25 18:09:55,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:09:55,079 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2021-11-25 18:09:55,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 18:09:55,081 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:09:55,081 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] [2021-11-25 18:09:55,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 18:09:55,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-25 18:09:55,310 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:09:55,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:09:55,310 INFO L85 PathProgramCache]: Analyzing trace with hash 720340601, now seen corresponding path program 1 times [2021-11-25 18:09:55,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:09:55,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439684994] [2021-11-25 18:09:55,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:55,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:09:55,387 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:09:55,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1822876204] [2021-11-25 18:09:55,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:55,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:09:55,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:09:55,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:09:55,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:09:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:09:55,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:09:55,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:09:55,875 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 18:09:55,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:09:55,993 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 18:09:55,994 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:09:55,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439684994] [2021-11-25 18:09:55,994 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:09:55,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822876204] [2021-11-25 18:09:55,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822876204] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:09:55,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [812475045] [2021-11-25 18:09:55,998 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-25 18:09:55,998 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:09:55,999 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:09:55,999 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:09:55,999 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:09:56,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:09:56,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:09:56,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:09:56,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,077 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:09:56,078 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 18:09:56,109 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:09:56,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-25 18:09:56,149 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:09:56,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 18:09:56,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,413 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 18:09:56,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,431 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 18:09:56,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:09:56,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:09:56,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:09:56,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:09:56,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,558 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 18:09:56,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:09:56,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,618 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 18:09:56,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:09:56,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,661 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 28 treesize of output 36 [2021-11-25 18:09:56,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:56,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 44 treesize of output 47 [2021-11-25 18:09:57,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:09:57,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:09:57,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,243 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 18:09:57,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,258 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 18:09:57,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,322 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 18:09:57,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,342 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 18:09:57,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:09:57,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:09:57,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,419 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 18:09:57,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:09:57,520 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:09:57,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2021-11-25 18:09:57,535 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 28 treesize of output 36 [2021-11-25 18:09:57,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:57,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:09:57,621 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 101 for LOIs [2021-11-25 18:09:57,684 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:09:59,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [812475045] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:09:59,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:09:59,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-25 18:09:59,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128549474] [2021-11-25 18:09:59,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:09:59,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:09:59,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:09:59,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:09:59,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:09:59,410 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:10:01,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:10:01,113 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2021-11-25 18:10:01,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 18:10:01,118 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2021-11-25 18:10:01,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:10:01,120 INFO L225 Difference]: With dead ends: 175 [2021-11-25 18:10:01,120 INFO L226 Difference]: Without dead ends: 96 [2021-11-25 18:10:01,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 111 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:10:01,122 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 12 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 110 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:10:01,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 444 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 132 Invalid, 0 Unknown, 110 Unchecked, 1.7s Time] [2021-11-25 18:10:01,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-25 18:10:01,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-11-25 18:10:01,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-25 18:10:01,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2021-11-25 18:10:01,137 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2021-11-25 18:10:01,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:10:01,138 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2021-11-25 18:10:01,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:10:01,138 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2021-11-25 18:10:01,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 18:10:01,140 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:10:01,140 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:10:01,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 18:10:01,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:10:01,357 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:10:01,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:10:01,358 INFO L85 PathProgramCache]: Analyzing trace with hash 659673767, now seen corresponding path program 1 times [2021-11-25 18:10:01,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:10:01,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930818745] [2021-11-25 18:10:01,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:10:01,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:10:01,411 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:10:01,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [405735764] [2021-11-25 18:10:01,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:10:01,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:10:01,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:10:01,426 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:10:01,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ca6a4a0-871e-4c1e-a2a1-9c58aaf6b4d7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:10:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:10:01,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:10:01,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:10:01,960 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 18:10:01,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:10:02,093 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 18:10:02,093 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:10:02,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930818745] [2021-11-25 18:10:02,093 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:10:02,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405735764] [2021-11-25 18:10:02,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405735764] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:10:02,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1567327215] [2021-11-25 18:10:02,099 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-25 18:10:02,099 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:10:02,099 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:10:02,099 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:10:02,099 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:10:02,187 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:10:02,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-25 18:10:02,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:10:02,228 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:10:02,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 18:10:02,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:02,238 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 18:10:02,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:10:02,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:10:02,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,482 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 18:10:02,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,496 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 18:10:02,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:10:02,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,555 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 18:10:02,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,573 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 18:10:02,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:10:02,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:10:02,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,640 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 18:10:02,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:10:02,737 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:10:02,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2021-11-25 18:10:02,751 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 28 treesize of output 36 [2021-11-25 18:10:02,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:02,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:10:02,855 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 18:10:02,861 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 18:10:02,865 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 18:10:02,928 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:10:02,929 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 55 treesize of output 58 [2021-11-25 18:10:02,958 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 18:10:02,958 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 53 treesize of output 56 [2021-11-25 18:10:02,983 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:10:02,983 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 18:10:03,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:10:03,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 18:10:03,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:10:03,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,103 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 18:10:03,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:10:03,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:10:03,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,238 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 18:10:03,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:10:03,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:03,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:10:08,752 WARN L227 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:10:08,753 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:10:08,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 18:10:08,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:16,757 WARN L227 SmtUtils]: Spent 7.91s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:10:16,757 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:10:16,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 18:10:17,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:17,248 INFO L244 Elim1Store]: Index analysis took 283 ms [2021-11-25 18:10:26,241 WARN L227 SmtUtils]: Spent 8.67s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:10:26,242 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:10:26,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 18:10:26,745 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-25 18:10:27,628 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 18:10:27,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2021-11-25 18:10:27,815 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 27 treesize of output 38 [2021-11-25 18:10:28,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:28,446 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:10:28,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 18:10:28,487 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:28,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:28,802 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:10:28,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 18:10:28,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:28,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:10:29,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:29,080 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 18:10:29,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:10:29,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:29,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 18:10:29,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:29,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 18:10:29,293 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:29,324 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:29,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:29,534 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 18:10:29,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 26 [2021-11-25 18:10:29,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:29,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:29,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-25 18:10:29,727 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:29,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:29,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 18:10:29,811 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:29,834 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:30,902 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:30,945 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:30,971 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:31,029 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:31,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:31,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:31,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:31,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:31,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:31,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:31,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:31,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:31,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2804 treesize of output 2342 [2021-11-25 18:10:31,276 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:31,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:31,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:31,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:31,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:31,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:31,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:31,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:31,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:31,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2704 treesize of output 2248 [2021-11-25 18:10:31,866 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:31,911 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:31,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:32,000 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:32,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:32,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:32,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:32,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:32,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:32,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:32,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:32,221 INFO L244 Elim1Store]: Index analysis took 144 ms [2021-11-25 18:10:32,334 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 18:10:32,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2804 treesize of output 2388 [2021-11-25 18:10:32,387 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:32,447 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:32,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:32,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:32,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:32,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:32,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:32,996 INFO L354 Elim1Store]: treesize reduction 8, result has 88.7 percent of original size [2021-11-25 18:10:32,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 2704 treesize of output 2310 [2021-11-25 18:10:33,273 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:33,315 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:33,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:33,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:33,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:33,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:33,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:33,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:33,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:33,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:33,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2804 treesize of output 2342 [2021-11-25 18:10:33,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:33,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:33,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:33,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:33,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:33,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:33,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:33,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:33,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2704 treesize of output 2248 [2021-11-25 18:10:33,808 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:33,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:33,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:33,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:33,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:33,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:33,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:33,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:34,013 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:10:34,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2736 treesize of output 2532 [2021-11-25 18:10:34,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:34,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:34,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:34,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:34,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:34,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:34,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:34,248 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:10:34,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2636 treesize of output 2438 [2021-11-25 18:10:34,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:34,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:34,521 INFO L244 Elim1Store]: Index analysis took 108 ms [2021-11-25 18:10:35,632 INFO L354 Elim1Store]: treesize reduction 903, result has 50.5 percent of original size [2021-11-25 18:10:35,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2713 treesize of output 3170 [2021-11-25 18:10:35,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:36,006 INFO L244 Elim1Store]: Index analysis took 164 ms [2021-11-25 18:10:37,330 INFO L354 Elim1Store]: treesize reduction 913, result has 51.3 percent of original size [2021-11-25 18:10:37,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 2813 treesize of output 3304 [2021-11-25 18:10:37,632 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:37,702 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:39,115 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:39,161 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:39,206 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:39,249 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:39,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:39,388 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:39,411 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:39,463 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:39,511 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:39,585 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:39,649 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:39,682 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:39,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:39,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:39,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:39,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:39,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:39,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:39,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:39,940 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:10:39,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2792 treesize of output 2560 [2021-11-25 18:10:39,983 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:40,020 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:40,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:40,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:40,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:40,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:40,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:40,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:40,285 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:10:40,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2692 treesize of output 2466 [2021-11-25 18:10:40,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:40,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:40,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:40,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:40,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2715 treesize of output 2339 [2021-11-25 18:10:40,519 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:40,576 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:40,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:40,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:40,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:40,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2615 treesize of output 2245 [2021-11-25 18:10:40,921 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:40,962 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:41,007 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:41,043 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:41,124 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:41,177 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:41,207 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:41,264 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:41,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:41,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:41,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:41,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2683 treesize of output 2245 [2021-11-25 18:10:41,577 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:41,634 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:41,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:41,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:41,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:41,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:41,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2783 treesize of output 2339 [2021-11-25 18:10:41,885 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:41,920 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:41,944 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:42,002 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:42,092 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:42,138 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:42,184 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:42,221 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:42,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:42,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:42,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:42,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:42,447 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-11-25 18:10:42,769 INFO L354 Elim1Store]: treesize reduction 793, result has 32.0 percent of original size [2021-11-25 18:10:42,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2792 treesize of output 2716 [2021-11-25 18:10:42,848 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:42,877 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:43,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:43,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:43,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:43,450 INFO L354 Elim1Store]: treesize reduction 793, result has 31.7 percent of original size [2021-11-25 18:10:43,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2692 treesize of output 2616 [2021-11-25 18:10:43,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:43,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:43,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:43,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:43,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:43,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2715 treesize of output 2339 [2021-11-25 18:10:43,761 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:43,808 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:43,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:10:43,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:43,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:43,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:43,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2615 treesize of output 2245 [2021-11-25 18:10:44,185 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:44,227 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:44,275 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:44,311 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:44,394 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:44,430 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:44,456 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:44,511 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:10:45,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:45,792 INFO L244 Elim1Store]: Index analysis took 180 ms [2021-11-25 18:10:45,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:46,028 INFO L354 Elim1Store]: treesize reduction 1832, result has 0.1 percent of original size [2021-11-25 18:10:46,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4047 treesize of output 3585 [2021-11-25 18:10:46,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:46,322 INFO L244 Elim1Store]: Index analysis took 184 ms [2021-11-25 18:10:46,528 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 18:10:46,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4042 treesize of output 3586 [2021-11-25 18:10:47,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:47,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:47,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:47,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:10:47,936 INFO L244 Elim1Store]: Index analysis took 226 ms [2021-11-25 18:10:52,030 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 18:10:52,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 93131 treesize of output 94087 [2021-11-25 18:19:25,421 WARN L227 SmtUtils]: Spent 5.61s on a formula simplification that was a NOOP. DAG size: 2070 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 18:19:45,349 WARN L227 SmtUtils]: Spent 8.87s on a formula simplification. DAG size of input: 1345 DAG size of output: 1345 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)