./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V --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 98addbea2d7583a98dfe535f8a62b1da98b67168a60a4eb76b7c658a539d3a89 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:51:31,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:51:31,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:51:31,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:51:31,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:51:31,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:51:31,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:51:31,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:51:31,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:51:31,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:51:31,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:51:31,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:51:31,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:51:31,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:51:31,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:51:31,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:51:31,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:51:31,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:51:31,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:51:31,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:51:31,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:51:31,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:51:31,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:51:31,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:51:31,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:51:31,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:51:31,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:51:31,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:51:31,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:51:31,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:51:31,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:51:31,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:51:31,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:51:31,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:51:31,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:51:31,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:51:31,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:51:31,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:51:31,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:51:31,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:51:31,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:51:31,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 01:51:31,827 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:51:31,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:51:31,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:51:31,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:51:31,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:51:31,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 01:51:31,836 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 01:51:31,836 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 01:51:31,836 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 01:51:31,836 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 01:51:31,837 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 01:51:31,838 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 01:51:31,838 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 01:51:31,838 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 01:51:31,838 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 01:51:31,839 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 01:51:31,839 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 01:51:31,839 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 01:51:31,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:51:31,840 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:51:31,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:51:31,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:51:31,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:51:31,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:51:31,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:51:31,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:51:31,843 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:51:31,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:51:31,843 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:51:31,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:51:31,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:51:31,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:51:31,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:51:31,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:51:31,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:51:31,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:51:31,845 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 01:51:31,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:51:31,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:51:31,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:51:31,846 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:51:31,846 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_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98addbea2d7583a98dfe535f8a62b1da98b67168a60a4eb76b7c658a539d3a89 [2021-11-23 01:51:32,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:51:32,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:51:32,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:51:32,239 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:51:32,240 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:51:32,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i [2021-11-23 01:51:32,313 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/data/19648a8b5/39152f9abd7d48ad91564e11e1333b46/FLAG93f467226 [2021-11-23 01:51:33,031 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:51:33,032 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i [2021-11-23 01:51:33,060 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/data/19648a8b5/39152f9abd7d48ad91564e11e1333b46/FLAG93f467226 [2021-11-23 01:51:33,217 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/data/19648a8b5/39152f9abd7d48ad91564e11e1333b46 [2021-11-23 01:51:33,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:51:33,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:51:33,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:51:33,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:51:33,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:51:33,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:33" (1/1) ... [2021-11-23 01:51:33,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73dea17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:33, skipping insertion in model container [2021-11-23 01:51:33,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:33" (1/1) ... [2021-11-23 01:51:33,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:51:33,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:51:33,761 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_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i[33021,33034] [2021-11-23 01:51:33,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:51:33,962 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:51:34,021 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_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i[33021,33034] [2021-11-23 01:51:34,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:51:34,137 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:51:34,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:34 WrapperNode [2021-11-23 01:51:34,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:51:34,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:51:34,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:51:34,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:51:34,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:34" (1/1) ... [2021-11-23 01:51:34,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:34" (1/1) ... [2021-11-23 01:51:34,230 INFO L137 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 776 [2021-11-23 01:51:34,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:51:34,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:51:34,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:51:34,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:51:34,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:34" (1/1) ... [2021-11-23 01:51:34,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:34" (1/1) ... [2021-11-23 01:51:34,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:34" (1/1) ... [2021-11-23 01:51:34,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:34" (1/1) ... [2021-11-23 01:51:34,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:34" (1/1) ... [2021-11-23 01:51:34,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:34" (1/1) ... [2021-11-23 01:51:34,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:34" (1/1) ... [2021-11-23 01:51:34,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:51:34,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:51:34,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:51:34,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:51:34,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:34" (1/1) ... [2021-11-23 01:51:34,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:51:34,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:51:34,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 01:51:34,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 01:51:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:51:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:51:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:51:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:51:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 01:51:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 01:51:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:51:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:51:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:51:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:51:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:51:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:51:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:51:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:51:34,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:51:34,649 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:51:34,651 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:51:35,715 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:51:36,177 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:51:36,178 INFO L301 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-23 01:51:36,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:36 BoogieIcfgContainer [2021-11-23 01:51:36,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:51:36,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 01:51:36,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 01:51:36,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 01:51:36,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:51:33" (1/3) ... [2021-11-23 01:51:36,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f626d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:51:36, skipping insertion in model container [2021-11-23 01:51:36,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:34" (2/3) ... [2021-11-23 01:51:36,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f626d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:51:36, skipping insertion in model container [2021-11-23 01:51:36,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:36" (3/3) ... [2021-11-23 01:51:36,193 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test1-2.i [2021-11-23 01:51:36,202 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 01:51:36,203 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 01:51:36,288 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 01:51:36,306 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 [2021-11-23 01:51:36,316 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 01:51:36,335 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) [2021-11-23 01:51:36,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:51:36,342 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:51:36,342 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:51:36,343 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:51:36,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:51:36,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1739953547, now seen corresponding path program 1 times [2021-11-23 01:51:36,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:51:36,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420178106] [2021-11-23 01:51:36,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:51:36,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:36,564 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:51:36,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420178106] [2021-11-23 01:51:36,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420178106] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:51:36,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:51:36,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 01:51:36,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065654786] [2021-11-23 01:51:36,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:51:36,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:51:36,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:51:36,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:51:36,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:51:36,626 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) [2021-11-23 01:51:38,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 01:51:38,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:51:38,432 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2021-11-23 01:51:38,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:51:38,458 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 [2021-11-23 01:51:38,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:51:38,471 INFO L225 Difference]: With dead ends: 237 [2021-11-23 01:51:38,471 INFO L226 Difference]: Without dead ends: 128 [2021-11-23 01:51:38,475 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 [2021-11-23 01:51:38,480 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 01:51:38,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 217 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 01:51:38,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-23 01:51:38,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2021-11-23 01:51:38,534 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) [2021-11-23 01:51:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2021-11-23 01:51:38,538 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2021-11-23 01:51:38,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:51:38,539 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2021-11-23 01:51:38,539 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) [2021-11-23 01:51:38,539 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2021-11-23 01:51:38,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:51:38,542 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:51:38,542 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] [2021-11-23 01:51:38,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 01:51:38,543 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:51:38,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:51:38,544 INFO L85 PathProgramCache]: Analyzing trace with hash -976039302, now seen corresponding path program 1 times [2021-11-23 01:51:38,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:51:38,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015718157] [2021-11-23 01:51:38,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:51:38,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:38,568 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 01:51:38,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063115906] [2021-11-23 01:51:38,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:51:38,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:51:38,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:51:38,578 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:51:38,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 01:51:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:38,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:51:38,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:39,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:39,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:51:39,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:39,141 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:51:39,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015718157] [2021-11-23 01:51:39,148 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 01:51:39,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063115906] [2021-11-23 01:51:39,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063115906] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 01:51:39,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1836633389] [2021-11-23 01:51:39,190 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2021-11-23 01:51:39,190 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 01:51:39,197 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 01:51:39,237 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 01:51:39,238 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 01:51:39,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:39,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:51:39,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:39,377 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:51:39,381 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 [2021-11-23 01:51:39,427 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 01:51:39,427 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 [2021-11-23 01:51:39,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:39,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 01:51:39,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:39,491 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 [2021-11-23 01:51:39,548 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 01:51:39,550 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 [2021-11-23 01:51:40,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,023 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 [2021-11-23 01:51:40,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,051 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 70 treesize of output 67 [2021-11-23 01:51:40,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,079 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 [2021-11-23 01:51:40,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,108 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 [2021-11-23 01:51:40,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,423 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 [2021-11-23 01:51:40,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,440 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 [2021-11-23 01:51:40,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,461 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 70 treesize of output 67 [2021-11-23 01:51:40,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:40,504 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 [2021-11-23 01:51:40,524 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 01:51:41,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1836633389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:51:41,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 01:51:41,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-23 01:51:41,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157546783] [2021-11-23 01:51:41,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:51:41,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 01:51:41,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:51:41,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 01:51:41,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-23 01:51:41,507 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) [2021-11-23 01:51:43,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 01:51:44,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 01:51:47,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 01:51:47,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:51:47,944 INFO L93 Difference]: Finished difference Result 173 states and 232 transitions. [2021-11-23 01:51:47,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 01:51:47,971 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 [2021-11-23 01:51:47,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:51:47,973 INFO L225 Difference]: With dead ends: 173 [2021-11-23 01:51:47,973 INFO L226 Difference]: Without dead ends: 94 [2021-11-23 01:51:47,974 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 [2021-11-23 01:51:47,976 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 8 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-11-23 01:51:47,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 333 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 125 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2021-11-23 01:51:47,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-23 01:51:48,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2021-11-23 01:51:48,001 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) [2021-11-23 01:51:48,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2021-11-23 01:51:48,008 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2021-11-23 01:51:48,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:51:48,010 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2021-11-23 01:51:48,011 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) [2021-11-23 01:51:48,011 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2021-11-23 01:51:48,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:51:48,014 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:51:48,014 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] [2021-11-23 01:51:48,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 01:51:48,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:51:48,215 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:51:48,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:51:48,216 INFO L85 PathProgramCache]: Analyzing trace with hash 720340601, now seen corresponding path program 1 times [2021-11-23 01:51:48,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:51:48,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109904841] [2021-11-23 01:51:48,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:51:48,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:48,243 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 01:51:48,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [731487427] [2021-11-23 01:51:48,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:51:48,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:51:48,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:51:48,246 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:51:48,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 01:51:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:48,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:51:48,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:48,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:51:48,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:51:48,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:51:48,781 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:51:48,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109904841] [2021-11-23 01:51:48,781 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 01:51:48,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731487427] [2021-11-23 01:51:48,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731487427] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 01:51:48,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1063514880] [2021-11-23 01:51:48,787 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-23 01:51:48,787 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 01:51:48,787 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 01:51:48,788 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 01:51:48,788 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 01:51:48,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:48,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:51:48,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:48,863 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:51:48,864 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 [2021-11-23 01:51:48,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:48,882 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 [2021-11-23 01:51:48,917 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 01:51:48,918 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 [2021-11-23 01:51:48,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:48,938 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 [2021-11-23 01:51:48,989 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 01:51:48,990 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 [2021-11-23 01:51:49,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,289 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 [2021-11-23 01:51:49,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,309 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 [2021-11-23 01:51:49,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,332 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 70 treesize of output 67 [2021-11-23 01:51:49,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,355 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 [2021-11-23 01:51:49,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,427 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 [2021-11-23 01:51:49,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,448 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 [2021-11-23 01:51:49,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,465 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 [2021-11-23 01:51:49,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,514 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 [2021-11-23 01:51:49,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,544 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 100 treesize of output 105 [2021-11-23 01:51:49,602 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 01:51:49,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 125 [2021-11-23 01:51:49,676 INFO L354 Elim1Store]: treesize reduction 160, result has 11.6 percent of original size [2021-11-23 01:51:49,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 116 treesize of output 119 [2021-11-23 01:51:49,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:49,717 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 [2021-11-23 01:51:50,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,324 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 [2021-11-23 01:51:50,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,348 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 70 treesize of output 67 [2021-11-23 01:51:50,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,371 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 [2021-11-23 01:51:50,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,403 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 [2021-11-23 01:51:50,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,472 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 [2021-11-23 01:51:50,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,490 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 [2021-11-23 01:51:50,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,508 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 [2021-11-23 01:51:50,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,557 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 [2021-11-23 01:51:50,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,587 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 100 treesize of output 105 [2021-11-23 01:51:50,687 INFO L354 Elim1Store]: treesize reduction 130, result has 28.2 percent of original size [2021-11-23 01:51:50,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 117 treesize of output 150 [2021-11-23 01:51:50,749 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 01:51:50,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 143 [2021-11-23 01:51:50,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:50,789 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 [2021-11-23 01:51:50,836 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 101 for LOIs [2021-11-23 01:51:50,918 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 01:51:53,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1063514880] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:51:53,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 01:51:53,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-23 01:51:53,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513938755] [2021-11-23 01:51:53,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:51:53,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 01:51:53,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:51:53,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 01:51:53,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-23 01:51:53,092 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) [2021-11-23 01:51:55,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:51:55,056 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2021-11-23 01:51:55,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 01:51:55,060 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 [2021-11-23 01:51:55,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:51:55,062 INFO L225 Difference]: With dead ends: 175 [2021-11-23 01:51:55,062 INFO L226 Difference]: Without dead ends: 96 [2021-11-23 01:51:55,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 111 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-23 01:51:55,064 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 12 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 01:51:55,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 444 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 132 Invalid, 0 Unknown, 110 Unchecked, 1.9s Time] [2021-11-23 01:51:55,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-23 01:51:55,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-11-23 01:51:55,078 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) [2021-11-23 01:51:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2021-11-23 01:51:55,079 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2021-11-23 01:51:55,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:51:55,080 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2021-11-23 01:51:55,080 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) [2021-11-23 01:51:55,080 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2021-11-23 01:51:55,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:51:55,082 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:51:55,082 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] [2021-11-23 01:51:55,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 01:51:55,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:51:55,290 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:51:55,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:51:55,291 INFO L85 PathProgramCache]: Analyzing trace with hash 659673767, now seen corresponding path program 1 times [2021-11-23 01:51:55,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:51:55,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571704222] [2021-11-23 01:51:55,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:51:55,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:55,303 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 01:51:55,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [776249112] [2021-11-23 01:51:55,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:51:55,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:51:55,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:51:55,305 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:51:55,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a41f8a-a8e3-44a3-a1ba-2c0b2060fe4f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 01:51:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:55,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:51:55,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:55,605 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:51:55,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:51:55,717 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:51:55,718 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:51:55,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571704222] [2021-11-23 01:51:55,718 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 01:51:55,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776249112] [2021-11-23 01:51:55,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776249112] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 01:51:55,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [55588307] [2021-11-23 01:51:55,721 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-23 01:51:55,722 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 01:51:55,722 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 01:51:55,722 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 01:51:55,722 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 01:51:55,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:55,769 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 [2021-11-23 01:51:55,803 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 01:51:55,803 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 [2021-11-23 01:51:55,842 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 01:51:55,843 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 [2021-11-23 01:51:55,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:55,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:51:55,855 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 [2021-11-23 01:51:55,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:55,870 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 [2021-11-23 01:51:56,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,093 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 [2021-11-23 01:51:56,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,111 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 70 treesize of output 67 [2021-11-23 01:51:56,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,126 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 [2021-11-23 01:51:56,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,146 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 [2021-11-23 01:51:56,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,173 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 [2021-11-23 01:51:56,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,188 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 [2021-11-23 01:51:56,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,223 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 [2021-11-23 01:51:56,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,271 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 [2021-11-23 01:51:56,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,296 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 100 treesize of output 105 [2021-11-23 01:51:56,390 INFO L354 Elim1Store]: treesize reduction 130, result has 28.2 percent of original size [2021-11-23 01:51:56,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 117 treesize of output 150 [2021-11-23 01:51:56,446 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 01:51:56,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 143 [2021-11-23 01:51:56,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,475 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 [2021-11-23 01:51:56,550 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 [2021-11-23 01:51:56,556 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 [2021-11-23 01:51:56,560 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 [2021-11-23 01:51:56,607 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 01:51:56,608 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 85 treesize of output 88 [2021-11-23 01:51:56,642 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 01:51:56,643 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 88 treesize of output 91 [2021-11-23 01:51:56,673 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 01:51:56,673 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 91 treesize of output 94 [2021-11-23 01:51:56,723 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 [2021-11-23 01:51:56,730 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 [2021-11-23 01:51:56,737 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 [2021-11-23 01:51:56,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,816 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 [2021-11-23 01:51:56,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,847 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 [2021-11-23 01:51:56,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:56,871 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 [2021-11-23 01:51:57,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,014 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 [2021-11-23 01:51:57,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,032 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 [2021-11-23 01:51:57,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:51:57,056 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 [2021-11-23 01:52:05,919 WARN L227 SmtUtils]: Spent 8.76s 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) [2021-11-23 01:52:05,920 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 01:52:05,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2853 treesize of output 2330 [2021-11-23 01:52:05,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:18,285 WARN L227 SmtUtils]: Spent 12.31s 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) [2021-11-23 01:52:18,286 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 01:52:18,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2954 treesize of output 2672 [2021-11-23 01:52:30,411 WARN L227 SmtUtils]: Spent 11.98s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 01:52:30,412 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 01:52:30,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2922 treesize of output 2692 [2021-11-23 01:52:31,950 INFO L354 Elim1Store]: treesize reduction 126, result has 25.0 percent of original size [2021-11-23 01:52:31,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 25960 treesize of output 25988 [2021-11-23 01:52:32,855 INFO L354 Elim1Store]: treesize reduction 80, result has 20.8 percent of original size [2021-11-23 01:52:32,856 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 7 case distinctions, treesize of input 25970 treesize of output 25981 [2021-11-23 01:52:33,588 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:52:33,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:33,735 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 01:52:33,736 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 50 treesize of output 32 [2021-11-23 01:52:33,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:34,154 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:52:34,154 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 51 treesize of output 61 [2021-11-23 01:52:34,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:34,380 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 01:52:34,380 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 50 treesize of output 32 [2021-11-23 01:52:34,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:34,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:34,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:34,457 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 50 treesize of output 32 [2021-11-23 01:52:34,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:34,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:34,625 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 34 treesize of output 18 [2021-11-23 01:52:34,685 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:52:34,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:34,821 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 23 treesize of output 13 [2021-11-23 01:52:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:35,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:35,576 INFO L354 Elim1Store]: treesize reduction 20, result has 62.3 percent of original size [2021-11-23 01:52:35,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 77 [2021-11-23 01:52:35,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:35,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:35,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:35,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:35,755 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 58 treesize of output 42 [2021-11-23 01:52:35,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:35,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:35,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:35,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-11-23 01:52:36,043 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:52:37,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:37,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:37,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:37,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:37,475 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 3011 treesize of output 2647 [2021-11-23 01:52:37,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:37,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:37,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:37,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:37,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:37,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 6927 treesize of output 6551 [2021-11-23 01:52:37,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:37,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:37,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:37,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:37,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:37,916 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 3167 treesize of output 2791 [2021-11-23 01:52:37,990 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:52:38,029 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:52:38,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:38,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:38,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:38,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:38,218 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 3067 treesize of output 2697 [2021-11-23 01:52:38,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:38,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:38,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:38,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:38,914 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-23 01:52:39,482 INFO L354 Elim1Store]: treesize reduction 430, result has 62.8 percent of original size [2021-11-23 01:52:39,482 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 3088 treesize of output 3374 [2021-11-23 01:52:39,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:39,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:39,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:39,874 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-23 01:52:39,875 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 3144 treesize of output 2700 [2021-11-23 01:52:39,964 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:52:40,001 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:52:40,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:40,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:40,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:40,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:40,226 INFO L244 Elim1Store]: Index analysis took 115 ms [2021-11-23 01:52:40,805 INFO L354 Elim1Store]: treesize reduction 430, result has 63.2 percent of original size [2021-11-23 01:52:40,806 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 3244 treesize of output 3530 [2021-11-23 01:52:41,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:41,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:41,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:41,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:41,201 INFO L244 Elim1Store]: Index analysis took 113 ms [2021-11-23 01:52:41,329 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-23 01:52:41,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 7004 treesize of output 6554 [2021-11-23 01:52:42,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:42,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:42,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:42,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:42,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:42,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:42,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:42,376 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 01:52:42,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 6948 treesize of output 6554 [2021-11-23 01:52:42,558 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:52:42,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:42,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:42,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:42,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:42,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:42,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:42,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:42,734 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 01:52:42,735 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 3188 treesize of output 2794 [2021-11-23 01:52:42,818 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:52:42,975 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:43,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:43,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:43,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:43,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:43,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:43,089 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 01:52:43,089 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 3088 treesize of output 2700 [2021-11-23 01:52:43,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:43,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:43,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:43,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:43,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:43,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:43,335 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 01:52:43,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3032 treesize of output 2650 [2021-11-23 01:52:43,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:43,971 INFO L244 Elim1Store]: Index analysis took 141 ms [2021-11-23 01:52:46,510 INFO L354 Elim1Store]: treesize reduction 1010, result has 56.8 percent of original size [2021-11-23 01:52:46,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 7025 treesize of output 7885 [2021-11-23 01:52:48,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:48,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:48,201 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-11-23 01:52:48,459 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-23 01:52:48,460 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 3165 treesize of output 1 [2021-11-23 01:52:48,533 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:52:48,585 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:52:48,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:48,905 INFO L244 Elim1Store]: Index analysis took 181 ms [2021-11-23 01:52:51,517 INFO L354 Elim1Store]: treesize reduction 560, result has 70.1 percent of original size [2021-11-23 01:52:51,517 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 3265 treesize of output 4109 [2021-11-23 01:52:54,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:55,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:55,009 INFO L244 Elim1Store]: Index analysis took 140 ms [2021-11-23 01:52:55,328 INFO L354 Elim1Store]: treesize reduction 1810, result has 0.1 percent of original size [2021-11-23 01:52:55,328 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 3109 treesize of output 1 [2021-11-23 01:52:59,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:59,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:59,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:59,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:59,096 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 3011 treesize of output 2647 [2021-11-23 01:52:59,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:59,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:59,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:59,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:59,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 6927 treesize of output 6551 [2021-11-23 01:52:59,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:52:59,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:59,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:59,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:59,501 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 3167 treesize of output 2791 [2021-11-23 01:52:59,594 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:52:59,635 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:52:59,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:59,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:59,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:59,781 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 3067 treesize of output 2697 [2021-11-23 01:53:00,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:53:00,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:00,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:53:00,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:00,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:00,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:00,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:00,445 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-23 01:53:00,467 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 01:53:00,467 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 3088 treesize of output 2650 [2021-11-23 01:53:00,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:00,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:53:00,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:00,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:00,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:00,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:00,799 INFO L244 Elim1Store]: Index analysis took 131 ms [2021-11-23 01:53:00,826 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 01:53:00,827 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 3144 treesize of output 2700 [2021-11-23 01:53:00,934 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:00,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:01,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:53:01,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:01,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:53:01,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:01,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:01,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:01,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:01,242 INFO L244 Elim1Store]: Index analysis took 146 ms [2021-11-23 01:53:01,282 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 01:53:01,282 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 3244 treesize of output 2794 [2021-11-23 01:53:01,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:53:01,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:01,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:01,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:53:01,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:01,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:01,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:01,660 INFO L244 Elim1Store]: Index analysis took 144 ms [2021-11-23 01:53:01,680 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 01:53:01,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 7004 treesize of output 6554 [2021-11-23 01:53:05,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:05,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:05,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:05,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:05,674 INFO L244 Elim1Store]: Index analysis took 248 ms [2021-11-23 01:53:10,503 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-23 01:53:10,505 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 186662 treesize of output 186208 [2021-11-23 02:04:33,278 WARN L227 SmtUtils]: Spent 6.17s on a formula simplification that was a NOOP. DAG size: 4884 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)