./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:00:29,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:00:29,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:00:29,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:00:29,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:00:29,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:00:29,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:00:29,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:00:29,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:00:29,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:00:29,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:00:29,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:00:29,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:00:29,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:00:29,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:00:29,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:00:29,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:00:29,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:00:29,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:00:29,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:00:29,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:00:29,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:00:29,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:00:29,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:00:29,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:00:29,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:00:29,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:00:29,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:00:29,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:00:29,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:00:29,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:00:29,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:00:29,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:00:29,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:00:29,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:00:29,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:00:29,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:00:29,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:00:29,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:00:29,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:00:29,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:00:29,287 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:00:29,341 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:00:29,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:00:29,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:00:29,350 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:00:29,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:00:29,351 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:00:29,351 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:00:29,351 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:00:29,352 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:00:29,352 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:00:29,352 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:00:29,352 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:00:29,353 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:00:29,353 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:00:29,353 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:00:29,353 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:00:29,354 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:00:29,354 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:00:29,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:00:29,355 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:00:29,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:00:29,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:00:29,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:00:29,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:00:29,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:00:29,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:00:29,357 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:00:29,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:00:29,357 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:00:29,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:00:29,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:00:29,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:00:29,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:00:29,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:00:29,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:00:29,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:00:29,359 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:00:29,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:00:29,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:00:29,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:00:29,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:00:29,362 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_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 [2021-11-25 19:00:29,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:00:29,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:00:29,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:00:29,791 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:00:29,792 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:00:29,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2021-11-25 19:00:29,877 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/data/2b97cf8c5/f8e5f88111c14073bf42d3e1eb9fc991/FLAGaf5e8ad6c [2021-11-25 19:00:30,652 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:00:30,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2021-11-25 19:00:30,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/data/2b97cf8c5/f8e5f88111c14073bf42d3e1eb9fc991/FLAGaf5e8ad6c [2021-11-25 19:00:30,761 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/data/2b97cf8c5/f8e5f88111c14073bf42d3e1eb9fc991 [2021-11-25 19:00:30,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:00:30,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:00:30,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:00:30,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:00:30,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:00:30,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:00:30" (1/1) ... [2021-11-25 19:00:30,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aedf284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:30, skipping insertion in model container [2021-11-25 19:00:30,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:00:30" (1/1) ... [2021-11-25 19:00:30,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:00:30,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:00:31,483 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_dda67383-2b29-4fd9-a1e8-387df8a61e70/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[33021,33034] [2021-11-25 19:00:31,878 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_dda67383-2b29-4fd9-a1e8-387df8a61e70/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[84583,84596] [2021-11-25 19:00:31,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:00:31,896 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:00:31,958 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_dda67383-2b29-4fd9-a1e8-387df8a61e70/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[33021,33034] [2021-11-25 19:00:32,126 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_dda67383-2b29-4fd9-a1e8-387df8a61e70/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[84583,84596] [2021-11-25 19:00:32,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:00:32,182 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:00:32,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:32 WrapperNode [2021-11-25 19:00:32,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:00:32,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:00:32,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:00:32,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:00:32,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:32" (1/1) ... [2021-11-25 19:00:32,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:32" (1/1) ... [2021-11-25 19:00:32,425 INFO L137 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2864 [2021-11-25 19:00:32,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:00:32,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:00:32,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:00:32,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:00:32,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:32" (1/1) ... [2021-11-25 19:00:32,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:32" (1/1) ... [2021-11-25 19:00:32,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:32" (1/1) ... [2021-11-25 19:00:32,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:32" (1/1) ... [2021-11-25 19:00:32,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:32" (1/1) ... [2021-11-25 19:00:32,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:32" (1/1) ... [2021-11-25 19:00:32,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:32" (1/1) ... [2021-11-25 19:00:32,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:00:32,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:00:32,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:00:32,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:00:32,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:32" (1/1) ... [2021-11-25 19:00:32,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:00:32,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:00:32,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:00:32,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:00:32,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:00:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 19:00:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 19:00:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:00:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:00:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:00:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:00:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:00:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:00:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:00:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:00:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:00:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:00:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:00:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:00:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:00:33,037 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:00:33,049 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:00:35,808 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:00:36,367 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:00:36,368 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-25 19:00:36,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:00:36 BoogieIcfgContainer [2021-11-25 19:00:36,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:00:36,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:00:36,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:00:36,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:00:36,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:00:30" (1/3) ... [2021-11-25 19:00:36,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d925946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:00:36, skipping insertion in model container [2021-11-25 19:00:36,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:32" (2/3) ... [2021-11-25 19:00:36,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d925946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:00:36, skipping insertion in model container [2021-11-25 19:00:36,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:00:36" (3/3) ... [2021-11-25 19:00:36,386 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test9-1.i [2021-11-25 19:00:36,393 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:00:36,394 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 19:00:36,469 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:00:36,488 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:00:36,493 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 19:00:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-25 19:00:36,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:00:36,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:36,580 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:00:36,581 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:00:36,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:36,588 INFO L85 PathProgramCache]: Analyzing trace with hash 933194323, now seen corresponding path program 1 times [2021-11-25 19:00:36,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:00:36,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594888355] [2021-11-25 19:00:36,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:36,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:00:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:36,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:00:36,844 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:00:36,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594888355] [2021-11-25 19:00:36,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594888355] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:00:36,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:00:36,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:00:36,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222564638] [2021-11-25 19:00:36,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:00:36,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:00:36,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:00:36,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:00:36,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:00:36,896 INFO L87 Difference]: Start difference. First operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:00:37,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:00:37,811 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2021-11-25 19:00:37,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:00:37,825 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 19:00:37,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:00:37,873 INFO L225 Difference]: With dead ends: 2197 [2021-11-25 19:00:37,874 INFO L226 Difference]: Without dead ends: 1097 [2021-11-25 19:00:37,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:00:37,895 INFO L933 BasicCegarLoop]: 2100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2100 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:00:37,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2100 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-25 19:00:37,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2021-11-25 19:00:38,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2021-11-25 19:00:38,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-25 19:00:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2021-11-25 19:00:38,413 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2021-11-25 19:00:38,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:00:38,413 INFO L470 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2021-11-25 19:00:38,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:00:38,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2021-11-25 19:00:38,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 19:00:38,416 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:38,416 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:00:38,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:00:38,417 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:00:38,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:38,418 INFO L85 PathProgramCache]: Analyzing trace with hash -99314707, now seen corresponding path program 1 times [2021-11-25 19:00:38,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:00:38,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971971011] [2021-11-25 19:00:38,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:38,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:00:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:38,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:00:38,498 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:00:38,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971971011] [2021-11-25 19:00:38,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971971011] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:00:38,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:00:38,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:00:38,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482409654] [2021-11-25 19:00:38,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:00:38,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:00:38,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:00:38,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:00:38,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:00:38,503 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:00:42,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:00:42,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:00:42,412 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2021-11-25 19:00:42,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:00:42,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-25 19:00:42,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:00:42,480 INFO L225 Difference]: With dead ends: 3192 [2021-11-25 19:00:42,480 INFO L226 Difference]: Without dead ends: 2148 [2021-11-25 19:00:42,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:00:42,494 INFO L933 BasicCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4176 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6754 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:00:42,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1556 Valid, 6754 Invalid, 580 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 577 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-11-25 19:00:42,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2021-11-25 19:00:43,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2021-11-25 19:00:43,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-25 19:00:43,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2021-11-25 19:00:43,303 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2021-11-25 19:00:43,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:00:43,304 INFO L470 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2021-11-25 19:00:43,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:00:43,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2021-11-25 19:00:43,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 19:00:43,309 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:43,309 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:00:43,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:00:43,310 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:00:43,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:43,310 INFO L85 PathProgramCache]: Analyzing trace with hash 289738723, now seen corresponding path program 1 times [2021-11-25 19:00:43,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:00:43,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431703438] [2021-11-25 19:00:43,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:43,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:00:43,555 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:00:43,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [836704160] [2021-11-25 19:00:43,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:43,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:00:43,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:00:43,571 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:00:43,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:00:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:44,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 1648 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:00:44,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:00:44,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:00:44,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:00:44,468 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:00:44,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431703438] [2021-11-25 19:00:44,469 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:00:44,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836704160] [2021-11-25 19:00:44,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836704160] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:00:44,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:00:44,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:00:44,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971299823] [2021-11-25 19:00:44,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:00:44,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:00:44,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:00:44,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:00:44,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:00:44,478 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:00:46,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:00:46,087 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2021-11-25 19:00:46,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:00:46,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-25 19:00:46,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:00:46,119 INFO L225 Difference]: With dead ends: 3230 [2021-11-25 19:00:46,119 INFO L226 Difference]: Without dead ends: 2134 [2021-11-25 19:00:46,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:00:46,129 INFO L933 BasicCegarLoop]: 2612 mSDtfsCounter, 1033 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:00:46,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 19:00:46,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2021-11-25 19:00:46,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2021-11-25 19:00:46,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2021-11-25 19:00:46,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2021-11-25 19:00:46,756 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2021-11-25 19:00:46,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:00:46,756 INFO L470 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2021-11-25 19:00:46,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:00:46,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2021-11-25 19:00:46,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 19:00:46,760 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:46,761 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:00:46,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:00:46,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:00:46,988 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:00:46,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:46,988 INFO L85 PathProgramCache]: Analyzing trace with hash -2064469897, now seen corresponding path program 1 times [2021-11-25 19:00:46,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:00:46,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043273184] [2021-11-25 19:00:46,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:46,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:00:47,092 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:00:47,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1079258323] [2021-11-25 19:00:47,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:47,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:00:47,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:00:47,100 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:00:47,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:00:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:47,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:00:47,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:00:47,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 19:00:47,760 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:00:47,760 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:00:47,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043273184] [2021-11-25 19:00:47,761 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:00:47,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079258323] [2021-11-25 19:00:47,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079258323] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:00:47,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:00:47,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:00:47,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095669281] [2021-11-25 19:00:47,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:00:47,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:00:47,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:00:47,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:00:47,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:00:47,771 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:00:50,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:00:50,053 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2021-11-25 19:00:50,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:00:50,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-11-25 19:00:50,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:00:50,082 INFO L225 Difference]: With dead ends: 3228 [2021-11-25 19:00:50,082 INFO L226 Difference]: Without dead ends: 1112 [2021-11-25 19:00:50,099 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:00:50,101 INFO L933 BasicCegarLoop]: 2090 mSDtfsCounter, 2143 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3126 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:00:50,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2143 Valid, 3126 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 19:00:50,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2021-11-25 19:00:50,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2021-11-25 19:00:50,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-25 19:00:50,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2021-11-25 19:00:50,387 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2021-11-25 19:00:50,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:00:50,392 INFO L470 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2021-11-25 19:00:50,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:00:50,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2021-11-25 19:00:50,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 19:00:50,398 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:50,398 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:00:50,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:00:50,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-25 19:00:50,624 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:00:50,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:50,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1521015925, now seen corresponding path program 1 times [2021-11-25 19:00:50,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:00:50,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520813574] [2021-11-25 19:00:50,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:50,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:00:50,704 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:00:50,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1412867804] [2021-11-25 19:00:50,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:50,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:00:50,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:00:50,709 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:00:50,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:00:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:52,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 19:00:52,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:00:52,856 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 19:00:52,856 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:00:52,856 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:00:52,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520813574] [2021-11-25 19:00:52,857 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:00:52,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412867804] [2021-11-25 19:00:52,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412867804] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:00:52,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:00:52,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:00:52,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232950284] [2021-11-25 19:00:52,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:00:52,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:00:52,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:00:52,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:00:52,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:00:52,862 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:00:55,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:00:56,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:00:56,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:00:56,482 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2021-11-25 19:00:56,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:00:56,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-25 19:00:56,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:00:56,502 INFO L225 Difference]: With dead ends: 2207 [2021-11-25 19:00:56,503 INFO L226 Difference]: Without dead ends: 1114 [2021-11-25 19:00:56,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:00:56,511 INFO L933 BasicCegarLoop]: 2096 mSDtfsCounter, 1 mSDsluCounter, 4212 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6284 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:00:56,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 6284 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-25 19:00:56,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2021-11-25 19:00:56,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2021-11-25 19:00:56,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2021-11-25 19:00:56,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2021-11-25 19:00:56,767 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2021-11-25 19:00:56,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:00:56,770 INFO L470 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2021-11-25 19:00:56,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:00:56,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2021-11-25 19:00:56,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 19:00:56,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:56,776 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:00:56,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 19:00:56,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:00:56,996 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:00:56,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:56,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1487083651, now seen corresponding path program 1 times [2021-11-25 19:00:56,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:00:56,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161290926] [2021-11-25 19:00:56,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:56,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:00:57,085 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:00:57,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [749717122] [2021-11-25 19:00:57,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:57,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:00:57,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:00:57,090 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:00:57,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda67383-2b29-4fd9-a1e8-387df8a61e70/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 19:01:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:40,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 19:01:40,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:01:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 19:01:41,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:01:41,403 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:01:41,403 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:41,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161290926] [2021-11-25 19:01:41,404 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:01:41,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749717122] [2021-11-25 19:01:41,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749717122] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:01:41,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [460823631] [2021-11-25 19:01:41,433 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-25 19:01:41,433 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:01:41,439 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:01:41,447 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:01:41,447 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:01:41,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 19:01:41,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 19:01:41,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:41,695 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:01:41,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 19:01:41,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:41,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 19:01:41,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:41,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 19:01:41,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:41,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:01:41,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:41,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:41,830 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:01:41,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 19:01:41,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:41,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:41,888 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:01:41,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 19:01:41,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:41,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:41,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:41,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:41,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2021-11-25 19:01:41,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:41,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:01:42,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 19:01:42,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 19:01:42,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2021-11-25 19:01:42,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 76 [2021-11-25 19:01:42,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 19:01:42,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 19:01:42,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 79 [2021-11-25 19:01:42,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 79 [2021-11-25 19:01:42,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 19:01:42,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 19:01:42,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 19:01:42,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 19:01:42,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:42,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 19:01:42,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 19:01:42,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 19:01:42,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 19:01:43,024 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:01:43,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 58 [2021-11-25 19:01:43,061 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:01:43,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2021-11-25 19:01:43,098 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:01:43,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2021-11-25 19:01:43,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 19:01:43,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 19:01:43,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 19:01:43,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 19:01:43,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 19:01:43,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 19:01:43,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 19:01:43,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 19:01:43,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:43,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 19:01:51,585 WARN L227 SmtUtils]: Spent 7.92s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:01:51,587 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 19:01:51,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 19:01:51,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:06,583 WARN L227 SmtUtils]: Spent 14.81s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:02:06,584 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 19:02:06,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 19:02:06,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:07,131 INFO L244 Elim1Store]: Index analysis took 306 ms [2021-11-25 19:02:18,654 WARN L227 SmtUtils]: Spent 11.26s on a formula simplification. DAG size of input: 244 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:02:18,656 INFO L354 Elim1Store]: treesize reduction 2566, result has 31.1 percent of original size [2021-11-25 19:02:18,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 1377 [2021-11-25 19:02:19,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:19,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:19,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:19,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:19,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:19,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:19,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:19,371 INFO L244 Elim1Store]: Index analysis took 177 ms [2021-11-25 19:02:20,720 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 19:02:20,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 19:02:20,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:21,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:21,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:21,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:21,138 INFO L244 Elim1Store]: Index analysis took 179 ms [2021-11-25 19:02:21,158 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 19:02:21,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 19:02:21,734 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:02:21,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:21,945 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-25 19:02:21,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 19:02:22,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:02:22,508 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:02:22,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 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