./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur --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 60f6803c5e3744d9299e1af81cd011414f5ac623b556345642fa85a1d93686e4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:28:56,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:28:56,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:28:56,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:28:56,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:28:56,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:28:56,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:28:56,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:28:56,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:28:56,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:28:56,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:28:56,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:28:56,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:28:56,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:28:56,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:28:56,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:28:56,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:28:56,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:28:56,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:28:56,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:28:56,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:28:56,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:28:56,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:28:56,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:28:56,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:28:56,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:28:56,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:28:56,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:28:56,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:28:56,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:28:56,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:28:56,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:28:56,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:28:56,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:28:56,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:28:56,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:28:56,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:28:56,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:28:56,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:28:56,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:28:56,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:28:56,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 22:28:56,327 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:28:56,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:28:56,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:28:56,329 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:28:56,330 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:28:56,330 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:28:56,330 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:28:56,331 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:28:56,331 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:28:56,331 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:28:56,332 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:28:56,332 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:28:56,333 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:28:56,333 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:28:56,333 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:28:56,333 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:28:56,333 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:28:56,334 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:28:56,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:28:56,335 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:28:56,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:28:56,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:28:56,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:28:56,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:28:56,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:28:56,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:28:56,337 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:28:56,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:28:56,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:28:56,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:28:56,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:28:56,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:28:56,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:28:56,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:28:56,339 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:28:56,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:28:56,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:28:56,339 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:28:56,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:28:56,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:28:56,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:28:56,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60f6803c5e3744d9299e1af81cd011414f5ac623b556345642fa85a1d93686e4 [2022-11-25 22:28:56,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:28:56,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:28:56,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:28:56,730 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:28:56,731 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:28:56,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i [2022-11-25 22:28:59,803 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:29:00,237 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:29:00,242 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i [2022-11-25 22:29:00,269 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/data/a6ece5f30/cfaa493b4a594140bffa0fee27a3fb87/FLAG4c467c699 [2022-11-25 22:29:00,293 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/data/a6ece5f30/cfaa493b4a594140bffa0fee27a3fb87 [2022-11-25 22:29:00,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:29:00,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:29:00,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:29:00,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:29:00,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:29:00,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:29:00" (1/1) ... [2022-11-25 22:29:00,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f452ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:00, skipping insertion in model container [2022-11-25 22:29:00,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:29:00" (1/1) ... [2022-11-25 22:29:00,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:29:00,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:29:00,759 WARN L237 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_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i[33021,33034] [2022-11-25 22:29:00,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:29:00,855 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:29:00,917 WARN L237 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_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i[33021,33034] [2022-11-25 22:29:01,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:29:01,051 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:29:01,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:01 WrapperNode [2022-11-25 22:29:01,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:29:01,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:29:01,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:29:01,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:29:01,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:01" (1/1) ... [2022-11-25 22:29:01,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:01" (1/1) ... [2022-11-25 22:29:01,175 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2022-11-25 22:29:01,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:29:01,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:29:01,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:29:01,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:29:01,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:01" (1/1) ... [2022-11-25 22:29:01,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:01" (1/1) ... [2022-11-25 22:29:01,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:01" (1/1) ... [2022-11-25 22:29:01,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:01" (1/1) ... [2022-11-25 22:29:01,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:01" (1/1) ... [2022-11-25 22:29:01,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:01" (1/1) ... [2022-11-25 22:29:01,248 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:01" (1/1) ... [2022-11-25 22:29:01,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:01" (1/1) ... [2022-11-25 22:29:01,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:29:01,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:29:01,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:29:01,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:29:01,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:01" (1/1) ... [2022-11-25 22:29:01,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:29:01,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:29:01,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:29:01,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:29:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:29:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 22:29:01,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 22:29:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:29:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:29:01,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:29:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:29:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:29:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:29:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:29:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:29:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:29:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:29:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:29:01,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:29:01,593 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:29:01,596 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:29:03,031 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:29:03,385 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:29:03,386 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-11-25 22:29:03,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:29:03 BoogieIcfgContainer [2022-11-25 22:29:03,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:29:03,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:29:03,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:29:03,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:29:03,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:29:00" (1/3) ... [2022-11-25 22:29:03,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e73f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:29:03, skipping insertion in model container [2022-11-25 22:29:03,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:01" (2/3) ... [2022-11-25 22:29:03,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e73f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:29:03, skipping insertion in model container [2022-11-25 22:29:03,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:29:03" (3/3) ... [2022-11-25 22:29:03,398 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test1-2.i [2022-11-25 22:29:03,419 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:29:03,420 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 22:29:03,474 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:29:03,481 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@29b3d1d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:29:03,481 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 22:29:03,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 22:29:03,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 22:29:03,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:29:03,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:29:03,496 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:29:03,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:29:03,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1188044108, now seen corresponding path program 1 times [2022-11-25 22:29:03,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:29:03,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039351968] [2022-11-25 22:29:03,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:03,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:29:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:29:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:29:03,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:29:03,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039351968] [2022-11-25 22:29:03,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039351968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:29:03,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:29:03,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:29:03,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059016516] [2022-11-25 22:29:03,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:29:03,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:29:03,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:29:03,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:29:03,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:29:03,824 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:29:04,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:29:04,649 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2022-11-25 22:29:04,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:29:04,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 22:29:04,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:29:04,663 INFO L225 Difference]: With dead ends: 237 [2022-11-25 22:29:04,663 INFO L226 Difference]: Without dead ends: 128 [2022-11-25 22:29:04,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:29:04,670 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 49 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:29:04,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 219 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 22:29:04,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-25 22:29:04,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-11-25 22:29:04,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 22:29:04,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-11-25 22:29:04,720 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-11-25 22:29:04,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:29:04,720 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-11-25 22:29:04,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:29:04,721 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-11-25 22:29:04,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 22:29:04,723 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:29:04,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:29:04,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:29:04,724 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:29:04,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:29:04,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1591518395, now seen corresponding path program 1 times [2022-11-25 22:29:04,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:29:04,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542388170] [2022-11-25 22:29:04,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:04,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:29:04,913 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:29:04,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2131914465] [2022-11-25 22:29:04,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:04,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:29:04,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:29:04,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:29:04,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:29:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:29:05,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 22:29:05,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:29:05,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:29:05,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:29:05,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:29:05,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:29:05,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542388170] [2022-11-25 22:29:05,971 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:29:05,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131914465] [2022-11-25 22:29:05,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131914465] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:29:05,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [245468785] [2022-11-25 22:29:06,003 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-25 22:29:06,004 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:29:06,008 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:29:06,014 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:29:06,016 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:29:06,175 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 22:29:06,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-25 22:29:06,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,211 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,229 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:06,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:29:06,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,260 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:29:06,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-25 22:29:06,317 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 22:29:06,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 22:29:06,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 22:29:06,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:06,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-25 22:29:06,980 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:07,002 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:07,412 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:07,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 22:29:07,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:07,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-25 22:29:07,557 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:07,592 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 22:29:15,477 WARN L233 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 22:29:22,934 WARN L233 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 22:29:22,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [245468785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:29:22,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 22:29:22,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-25 22:29:22,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350152419] [2022-11-25 22:29:22,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:29:22,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 22:29:22,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:29:22,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 22:29:22,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-25 22:29:22,949 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:29:28,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:29:30,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:29:32,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:29:32,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:29:32,826 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-11-25 22:29:32,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 22:29:32,834 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-25 22:29:32,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:29:32,836 INFO L225 Difference]: With dead ends: 171 [2022-11-25 22:29:32,836 INFO L226 Difference]: Without dead ends: 92 [2022-11-25 22:29:32,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 18.4s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-25 22:29:32,841 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:29:32,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 252 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2022-11-25 22:29:32,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-25 22:29:32,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2022-11-25 22:29:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 22:29:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-11-25 22:29:32,869 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-11-25 22:29:32,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:29:32,870 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-11-25 22:29:32,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:29:32,870 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-25 22:29:32,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-25 22:29:32,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:29:32,872 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:29:32,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:29:33,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:29:33,083 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:29:33,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:29:33,083 INFO L85 PathProgramCache]: Analyzing trace with hash -725737884, now seen corresponding path program 1 times [2022-11-25 22:29:33,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:29:33,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084587768] [2022-11-25 22:29:33,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:33,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:29:33,167 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:29:33,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1767532103] [2022-11-25 22:29:33,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:33,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:29:33,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:29:33,173 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:29:33,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:29:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:29:33,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 22:29:33,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:29:33,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 22:29:33,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:29:33,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 22:29:33,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:29:33,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084587768] [2022-11-25 22:29:33,960 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:29:33,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767532103] [2022-11-25 22:29:33,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767532103] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:29:33,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [93513838] [2022-11-25 22:29:33,967 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-25 22:29:33,967 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:29:33,968 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:29:33,968 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:29:33,968 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:29:34,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,023 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:34,073 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 22:29:34,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 22:29:34,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:29:34,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-25 22:29:34,107 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:34,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,125 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:34,438 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:34,455 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:34,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 22:29:34,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-25 22:29:34,660 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:34,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 22:29:34,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 22:29:34,825 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:34,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:34,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 22:29:34,928 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:34,955 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:35,029 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 22:29:35,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 28 treesize of output 66 [2022-11-25 22:29:35,126 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 22:29:35,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-25 22:29:36,058 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:36,083 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:36,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 22:29:36,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-25 22:29:36,254 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:36,265 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:36,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-25 22:29:36,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-25 22:29:36,464 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:36,489 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:29:36,560 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 22:29:36,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 28 treesize of output 66 [2022-11-25 22:29:36,665 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 22:29:36,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-25 22:29:36,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:36,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 22:29:36,817 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-25 22:29:36,919 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 22:29:44,837 WARN L233 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 22:29:52,062 WARN L233 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 22:30:01,754 WARN L233 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 246 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 22:30:15,223 WARN L233 SmtUtils]: Spent 7.29s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 22:30:27,316 WARN L233 SmtUtils]: Spent 5.84s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 22:30:28,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [93513838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:28,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 22:30:28,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-25 22:30:28,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218815154] [2022-11-25 22:30:28,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:28,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 22:30:28,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:28,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 22:30:28,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-25 22:30:28,477 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 22:30:34,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:30:36,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:30:38,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:30:40,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:30:42,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:30:44,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:30:46,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:30:48,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:30:50,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:30:57,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:30:59,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:31:01,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:31:02,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:02,701 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-11-25 22:31:02,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 22:31:02,708 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-11-25 22:31:02,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:02,710 INFO L225 Difference]: With dead ends: 175 [2022-11-25 22:31:02,710 INFO L226 Difference]: Without dead ends: 96 [2022-11-25 22:31:02,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 54.4s TimeCoverageRelationStatistics Valid=100, Invalid=196, Unknown=10, NotChecked=0, Total=306 [2022-11-25 22:31:02,712 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:02,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 652 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 343 Invalid, 10 Unknown, 0 Unchecked, 31.4s Time] [2022-11-25 22:31:02,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-25 22:31:02,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-25 22:31:02,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 22:31:02,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-11-25 22:31:02,771 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-11-25 22:31:02,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:02,771 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-11-25 22:31:02,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 22:31:02,772 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-11-25 22:31:02,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-25 22:31:02,776 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:02,777 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:02,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:31:02,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:31:02,985 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:02,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:02,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1505724306, now seen corresponding path program 1 times [2022-11-25 22:31:02,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:02,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809370083] [2022-11-25 22:31:02,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:02,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:03,058 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:31:03,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [424132861] [2022-11-25 22:31:03,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:03,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:31:03,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:31:03,060 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:31:03,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0b4cb-883c-4f8c-aa37-78b4fe4888fe/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:31:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:03,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 22:31:03,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:31:03,609 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 22:31:03,610 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:31:03,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 22:31:03,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:03,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809370083] [2022-11-25 22:31:03,682 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:31:03,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424132861] [2022-11-25 22:31:03,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424132861] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:31:03,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1232820160] [2022-11-25 22:31:03,686 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-25 22:31:03,686 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:31:03,686 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:31:03,686 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:31:03,686 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:31:03,755 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 22:31:03,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 22:31:03,765 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:31:03,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:03,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:03,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-25 22:31:03,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:03,820 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:31:03,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:03,834 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:31:04,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 22:31:04,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-25 22:31:04,175 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:31:04,192 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:31:04,220 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:31:04,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 22:31:04,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 22:31:04,374 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:31:04,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 22:31:04,460 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:31:04,485 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:31:04,565 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 22:31:04,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-25 22:31:04,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-25 22:31:04,713 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:31:04,718 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:31:04,723 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:31:04,764 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:31:04,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-11-25 22:31:04,794 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-25 22:31:04,794 INFO L350 Elim1Store]: Elim1 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 49 treesize of output 52 [2022-11-25 22:31:04,825 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:31:04,825 INFO L350 Elim1Store]: Elim1 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 43 treesize of output 46 [2022-11-25 22:31:04,864 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:31:04,871 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:31:04,878 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:31:04,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:04,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-25 22:31:04,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 22:31:05,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-25 22:31:05,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:05,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:05,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:05,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:05,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:05,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:05,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:05,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:05,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:05,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:05,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:05,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:05,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:05,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-25 22:31:05,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 22:31:05,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-25 22:31:06,254 INFO L217 Elim1Store]: Index analysis took 744 ms [2022-11-25 22:31:09,192 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-25 22:31:09,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752658 treesize of output 10752661 [2022-11-25 22:31:10,106 INFO L217 Elim1Store]: Index analysis took 692 ms [2022-11-25 22:31:13,062 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-25 22:31:13,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752663 treesize of output 10752665 [2022-11-25 22:31:22,912 WARN L233 SmtUtils]: Spent 9.79s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:31:22,913 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 22:31:22,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-25 22:31:23,138 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-11-25 22:31:58,584 WARN L233 SmtUtils]: Spent 35.44s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:31:58,584 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 22:31:58,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-11-25 22:31:59,948 INFO L217 Elim1Store]: Index analysis took 1189 ms [2022-11-25 22:32:32,193 WARN L233 SmtUtils]: Spent 31.50s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:32:32,195 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-25 22:32:32,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-25 22:32:33,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:32:33,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-25 22:32:33,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:32:33,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:32:33,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:32:33,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-25 22:35:33,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:35:33,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-25 22:35:33,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:35:33,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-25 22:39:01,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:39:01,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-25 22:39:01,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:39:01,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11