./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.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_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/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_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/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_f0ef6fca-e704-47f3-8eef-a0371fa91372/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 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 --- 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 22:30:05,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:30:05,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:30:05,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:30:05,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:30:05,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:30:05,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:30:05,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:30:05,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:30:05,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:30:05,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:30:05,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:30:05,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:30:05,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:30:05,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:30:05,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:30:05,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:30:05,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:30:05,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:30:05,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:30:05,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:30:05,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:30:05,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:30:05,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:30:05,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:30:05,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:30:05,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:30:05,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:30:05,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:30:05,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:30:05,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:30:05,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:30:05,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:30:05,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:30:05,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:30:05,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:30:05,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:30:05,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:30:05,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:30:05,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:30:05,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:30:05,331 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 22:30:05,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:30:05,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:30:05,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:30:05,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:30:05,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:30:05,383 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:30:05,383 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:30:05,383 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:30:05,383 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:30:05,384 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:30:05,385 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:30:05,385 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:30:05,386 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:30:05,386 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:30:05,386 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:30:05,386 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:30:05,387 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:30:05,387 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:30:05,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:30:05,389 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:30:05,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:30:05,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:30:05,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:30:05,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:30:05,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:30:05,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:30:05,390 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:30:05,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:30:05,391 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:30:05,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:30:05,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:30:05,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:30:05,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:30:05,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:30:05,393 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:30:05,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:30:05,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:30:05,394 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:30:05,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:30:05,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:30:05,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:30:05,395 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_f0ef6fca-e704-47f3-8eef-a0371fa91372/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 [2022-11-25 22:30:05,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:30:05,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:30:05,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:30:05,811 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:30:05,811 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:30:05,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2022-11-25 22:30:09,324 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:30:09,744 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:30:09,745 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2022-11-25 22:30:09,765 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/data/56b5fb6ca/e7c316099e584fa88da2b398470fa1d0/FLAG6bd456030 [2022-11-25 22:30:09,786 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/data/56b5fb6ca/e7c316099e584fa88da2b398470fa1d0 [2022-11-25 22:30:09,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:30:09,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:30:09,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:30:09,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:30:09,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:30:09,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:30:09" (1/1) ... [2022-11-25 22:30:09,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d1f5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:09, skipping insertion in model container [2022-11-25 22:30:09,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:30:09" (1/1) ... [2022-11-25 22:30:09,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:30:09,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:30:10,448 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_f0ef6fca-e704-47f3-8eef-a0371fa91372/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2022-11-25 22:30:10,606 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:30:10,626 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_f0ef6fca-e704-47f3-8eef-a0371fa91372/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2022-11-25 22:30:10,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:30:10,654 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:30:10,709 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_f0ef6fca-e704-47f3-8eef-a0371fa91372/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2022-11-25 22:30:10,780 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:30:10,790 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_f0ef6fca-e704-47f3-8eef-a0371fa91372/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2022-11-25 22:30:10,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:30:10,834 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:30:10,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:10 WrapperNode [2022-11-25 22:30:10,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:30:10,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:30:10,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:30:10,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:30:10,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:10" (1/1) ... [2022-11-25 22:30:10,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:10" (1/1) ... [2022-11-25 22:30:10,972 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1022 [2022-11-25 22:30:10,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:30:10,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:30:10,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:30:10,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:30:10,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:10" (1/1) ... [2022-11-25 22:30:10,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:10" (1/1) ... [2022-11-25 22:30:11,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:10" (1/1) ... [2022-11-25 22:30:11,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:10" (1/1) ... [2022-11-25 22:30:11,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:10" (1/1) ... [2022-11-25 22:30:11,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:10" (1/1) ... [2022-11-25 22:30:11,151 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:10" (1/1) ... [2022-11-25 22:30:11,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:10" (1/1) ... [2022-11-25 22:30:11,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:30:11,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:30:11,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:30:11,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:30:11,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:10" (1/1) ... [2022-11-25 22:30:11,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:30:11,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:30:11,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:30:11,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:30:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:30:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 22:30:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 22:30:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:30:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:30:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:30:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:30:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:30:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:30:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:30:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 22:30:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:30:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:30:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:30:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:30:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:30:11,622 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:30:11,624 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:30:13,439 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:30:13,894 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:30:13,895 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-25 22:30:13,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:30:13 BoogieIcfgContainer [2022-11-25 22:30:13,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:30:13,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:30:13,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:30:13,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:30:13,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:30:09" (1/3) ... [2022-11-25 22:30:13,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3678cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:30:13, skipping insertion in model container [2022-11-25 22:30:13,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:10" (2/3) ... [2022-11-25 22:30:13,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3678cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:30:13, skipping insertion in model container [2022-11-25 22:30:13,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:30:13" (3/3) ... [2022-11-25 22:30:13,908 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test3-1.i [2022-11-25 22:30:13,930 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:30:13,931 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:30:13,991 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:30:13,998 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;@7d866916, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:30:13,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:30:14,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 22:30:14,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 22:30:14,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:14,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:14,015 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:30:14,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:14,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1898435451, now seen corresponding path program 1 times [2022-11-25 22:30:14,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:14,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285680005] [2022-11-25 22:30:14,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:14,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:14,241 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 22:30:14,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:14,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285680005] [2022-11-25 22:30:14,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285680005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:14,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:14,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:30:14,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486492866] [2022-11-25 22:30:14,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:14,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 22:30:14,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:14,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 22:30:14,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:30:14,317 INFO L87 Difference]: Start difference. First operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:30:14,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:14,783 INFO L93 Difference]: Finished difference Result 245 states and 432 transitions. [2022-11-25 22:30:14,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 22:30:14,790 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 22:30:14,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:14,800 INFO L225 Difference]: With dead ends: 245 [2022-11-25 22:30:14,800 INFO L226 Difference]: Without dead ends: 122 [2022-11-25 22:30:14,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:30:14,807 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:14,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 22:30:14,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-25 22:30:14,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-11-25 22:30:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.2181818181818183) internal successors, (134), 116 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 22:30:14,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 150 transitions. [2022-11-25 22:30:14,855 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 150 transitions. Word has length 8 [2022-11-25 22:30:14,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:14,856 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 150 transitions. [2022-11-25 22:30:14,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:30:14,856 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2022-11-25 22:30:14,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 22:30:14,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:14,857 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:14,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:30:14,858 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:30:14,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:14,859 INFO L85 PathProgramCache]: Analyzing trace with hash -94655351, now seen corresponding path program 1 times [2022-11-25 22:30:14,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:14,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881502325] [2022-11-25 22:30:14,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:14,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:15,137 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 22:30:15,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:15,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881502325] [2022-11-25 22:30:15,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881502325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:15,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:15,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:30:15,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810752513] [2022-11-25 22:30:15,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:15,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:15,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:15,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:15,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:15,143 INFO L87 Difference]: Start difference. First operand 122 states and 150 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 22:30:17,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:30:17,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:17,857 INFO L93 Difference]: Finished difference Result 258 states and 326 transitions. [2022-11-25 22:30:17,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:30:17,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 13 [2022-11-25 22:30:17,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:17,866 INFO L225 Difference]: With dead ends: 258 [2022-11-25 22:30:17,866 INFO L226 Difference]: Without dead ends: 189 [2022-11-25 22:30:17,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:17,868 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 73 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:17,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 355 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-25 22:30:17,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-25 22:30:17,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 124. [2022-11-25 22:30:17,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 118 states have internal predecessors, (136), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 22:30:17,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2022-11-25 22:30:17,896 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 152 transitions. Word has length 13 [2022-11-25 22:30:17,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:17,896 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-11-25 22:30:17,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 22:30:17,897 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2022-11-25 22:30:17,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-25 22:30:17,899 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:17,899 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:17,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:30:17,900 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:30:17,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:17,901 INFO L85 PathProgramCache]: Analyzing trace with hash 339208180, now seen corresponding path program 1 times [2022-11-25 22:30:17,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:17,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405430468] [2022-11-25 22:30:17,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:17,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:18,105 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:30:18,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1136817457] [2022-11-25 22:30:18,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:18,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:30:18,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:30:18,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:30:18,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:30:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:18,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:30:18,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:30:19,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:30:19,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:30:19,035 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:19,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405430468] [2022-11-25 22:30:19,036 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:30:19,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136817457] [2022-11-25 22:30:19,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136817457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:19,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:19,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:30:19,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519647247] [2022-11-25 22:30:19,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:19,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:30:19,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:19,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:30:19,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:30:19,039 INFO L87 Difference]: Start difference. First operand 124 states and 152 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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 22:30:20,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:20,279 INFO L93 Difference]: Finished difference Result 304 states and 377 transitions. [2022-11-25 22:30:20,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:30:20,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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 37 [2022-11-25 22:30:20,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:20,286 INFO L225 Difference]: With dead ends: 304 [2022-11-25 22:30:20,286 INFO L226 Difference]: Without dead ends: 183 [2022-11-25 22:30:20,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 22:30:20,288 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 58 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:20,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 278 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 22:30:20,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-25 22:30:20,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 167. [2022-11-25 22:30:20,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 155 states have (on average 1.1935483870967742) internal successors, (185), 161 states have internal predecessors, (185), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 22:30:20,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 201 transitions. [2022-11-25 22:30:20,314 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 201 transitions. Word has length 37 [2022-11-25 22:30:20,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:20,314 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 201 transitions. [2022-11-25 22:30:20,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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 22:30:20,315 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2022-11-25 22:30:20,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-25 22:30:20,351 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:20,351 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:20,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:30:20,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:30:20,552 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:30:20,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:20,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1571641394, now seen corresponding path program 1 times [2022-11-25 22:30:20,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:20,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829532979] [2022-11-25 22:30:20,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:20,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:20,637 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:30:20,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [307432115] [2022-11-25 22:30:20,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:20,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:30:20,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:30:20,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:30:20,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:30:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:21,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:30:21,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:30:21,286 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 22:30:21,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 22:30:21,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 22:30:21,329 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:30:21,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:21,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829532979] [2022-11-25 22:30:21,329 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:30:21,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307432115] [2022-11-25 22:30:21,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307432115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:21,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:21,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:21,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051070584] [2022-11-25 22:30:21,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:21,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:21,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:21,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:21,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:21,335 INFO L87 Difference]: Start difference. First operand 167 states and 201 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:30:23,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:23,302 INFO L93 Difference]: Finished difference Result 231 states and 285 transitions. [2022-11-25 22:30:23,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:30:23,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50 [2022-11-25 22:30:23,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:23,308 INFO L225 Difference]: With dead ends: 231 [2022-11-25 22:30:23,308 INFO L226 Difference]: Without dead ends: 212 [2022-11-25 22:30:23,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:23,310 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 47 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:23,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 354 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-25 22:30:23,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-11-25 22:30:23,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 169. [2022-11-25 22:30:23,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 157 states have (on average 1.1910828025477707) internal successors, (187), 163 states have internal predecessors, (187), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 22:30:23,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 203 transitions. [2022-11-25 22:30:23,361 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 203 transitions. Word has length 50 [2022-11-25 22:30:23,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:23,362 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 203 transitions. [2022-11-25 22:30:23,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:30:23,363 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 203 transitions. [2022-11-25 22:30:23,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-25 22:30:23,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:23,368 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:23,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:30:23,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:30:23,577 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:30:23,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:23,578 INFO L85 PathProgramCache]: Analyzing trace with hash 2144578966, now seen corresponding path program 1 times [2022-11-25 22:30:23,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:23,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416744095] [2022-11-25 22:30:23,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:23,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:23,643 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:30:23,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1442269246] [2022-11-25 22:30:23,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:23,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:30:23,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:30:23,645 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:30:23,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:30:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:24,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:30:24,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:30:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 22:30:24,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:30:24,417 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:24,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416744095] [2022-11-25 22:30:24,418 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:30:24,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442269246] [2022-11-25 22:30:24,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442269246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:24,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:24,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:24,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322901395] [2022-11-25 22:30:24,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:24,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:24,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:24,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:24,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:24,421 INFO L87 Difference]: Start difference. First operand 169 states and 203 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:30:25,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:25,422 INFO L93 Difference]: Finished difference Result 395 states and 492 transitions. [2022-11-25 22:30:25,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:30:25,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-25 22:30:25,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:25,425 INFO L225 Difference]: With dead ends: 395 [2022-11-25 22:30:25,425 INFO L226 Difference]: Without dead ends: 242 [2022-11-25 22:30:25,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:25,427 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 260 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:25,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 290 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 22:30:25,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-11-25 22:30:25,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 214. [2022-11-25 22:30:25,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 202 states have (on average 1.193069306930693) internal successors, (241), 208 states have internal predecessors, (241), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 22:30:25,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 257 transitions. [2022-11-25 22:30:25,449 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 257 transitions. Word has length 57 [2022-11-25 22:30:25,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:25,450 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 257 transitions. [2022-11-25 22:30:25,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:30:25,450 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 257 transitions. [2022-11-25 22:30:25,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-25 22:30:25,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:25,452 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:25,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 22:30:25,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:30:25,661 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:30:25,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:25,662 INFO L85 PathProgramCache]: Analyzing trace with hash 2121750984, now seen corresponding path program 1 times [2022-11-25 22:30:25,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:25,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575227063] [2022-11-25 22:30:25,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:25,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:25,735 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:30:25,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [684384392] [2022-11-25 22:30:25,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:25,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:30:25,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:30:25,737 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:30:25,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 22:30:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:39,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:30:39,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:30:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 22:30:39,768 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:30:39,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:39,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575227063] [2022-11-25 22:30:39,769 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:30:39,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684384392] [2022-11-25 22:30:39,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684384392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:39,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:39,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:39,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742373982] [2022-11-25 22:30:39,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:39,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:39,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:39,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:39,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:39,773 INFO L87 Difference]: Start difference. First operand 214 states and 257 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:30:41,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:41,017 INFO L93 Difference]: Finished difference Result 411 states and 498 transitions. [2022-11-25 22:30:41,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:30:41,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-11-25 22:30:41,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:41,024 INFO L225 Difference]: With dead ends: 411 [2022-11-25 22:30:41,024 INFO L226 Difference]: Without dead ends: 216 [2022-11-25 22:30:41,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:41,026 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:41,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 392 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 22:30:41,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-11-25 22:30:41,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-11-25 22:30:41,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 203 states have (on average 1.1970443349753694) internal successors, (243), 210 states have internal predecessors, (243), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-25 22:30:41,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2022-11-25 22:30:41,054 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 64 [2022-11-25 22:30:41,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:41,055 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2022-11-25 22:30:41,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:30:41,056 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2022-11-25 22:30:41,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 22:30:41,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:41,058 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:41,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 22:30:41,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 22:30:41,273 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:30:41,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:41,274 INFO L85 PathProgramCache]: Analyzing trace with hash -869473738, now seen corresponding path program 1 times [2022-11-25 22:30:41,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:41,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179107803] [2022-11-25 22:30:41,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:41,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:41,369 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:30:41,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1711891039] [2022-11-25 22:30:41,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:41,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:30:41,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:30:41,378 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:30:41,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ef6fca-e704-47f3-8eef-a0371fa91372/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 22:31:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:28,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:31:28,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:31:28,415 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 22:31:28,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:31:28,514 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 22:31:28,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:28,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179107803] [2022-11-25 22:31:28,515 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:31:28,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711891039] [2022-11-25 22:31:28,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711891039] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:31:28,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [962911725] [2022-11-25 22:31:28,539 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-25 22:31:28,539 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:31:28,543 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:31:28,549 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:31:28,550 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:31:28,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 22:31:28,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 22:31:28,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:28,741 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 22:31:28,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-25 22:31:28,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:28,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 22:31:28,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:28,789 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 22:31:28,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-25 22:31:28,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:28,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:28,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:28,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:28,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:28,864 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:31:28,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 52 treesize of output 53 [2022-11-25 22:31:28,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:28,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:28,925 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 22:31:28,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-25 22:31:28,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:28,959 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 22:31:28,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:28,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,020 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 22:31:29,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-25 22:31:29,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,051 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 22:31:29,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-25 22:31:29,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-11-25 22:31:29,610 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 22:31:29,627 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 22:31:29,662 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 22:31:29,674 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 22:31:29,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 22:31:29,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 22:31:29,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 22:31:29,936 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 22:31:29,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:29,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,021 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 22:31:30,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-25 22:31:30,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,107 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 22:31:30,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-25 22:31:30,149 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 22:31:30,354 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 22:31:30,358 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 22:31:30,364 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 22:31:30,415 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:31:30,415 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 22:31:30,448 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-25 22:31:30,448 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 22:31:30,477 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:31:30,478 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 22:31:30,515 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 22:31:30,520 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 22:31:30,527 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 22:31:30,586 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 22:31:30,608 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 22:31:30,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 22:31:30,849 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 22:31:30,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:30,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 22:31:30,915 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 22:31:31,945 INFO L217 Elim1Store]: Index analysis took 654 ms [2022-11-25 22:31:37,325 WARN L233 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:31:37,326 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-25 22:31:37,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-25 22:31:38,640 INFO L217 Elim1Store]: Index analysis took 1117 ms [2022-11-25 22:31:39,264 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-25 22:31:39,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-25 22:31:50,112 WARN L233 SmtUtils]: Spent 10.66s 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 22:31:50,113 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 22:31:50,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 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 22:31:50,495 INFO L217 Elim1Store]: Index analysis took 167 ms [2022-11-25 22:32:20,490 WARN L233 SmtUtils]: Spent 29.99s 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 22:32:20,491 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 22:32:20,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 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 22:32:22,814 INFO L217 Elim1Store]: Index analysis took 1636 ms [2022-11-25 22:32:56,756 WARN L233 SmtUtils]: Spent 32.93s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:32:56,757 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-25 22:32:56,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 3622 treesize of output 7921 [2022-11-25 22:32:58,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:32:58,948 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-25 22:32:59,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:32:59,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:32:59,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:32:59,187 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 22:33:00,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:33:00,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-11-25 22:33:00,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:33:00,841 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 22:33:01,842 INFO L217 Elim1Store]: Index analysis took 136 ms [2022-11-25 22:33:05,726 INFO L321 Elim1Store]: treesize reduction 550, result has 14.1 percent of original size [2022-11-25 22:33:05,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 16 new quantified variables, introduced 18 case distinctions, treesize of input 51016 treesize of output 53256 [2022-11-25 22:33:16,216 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:33:17,138 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:33:17,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40846 treesize of output 40854 [2022-11-25 22:33:18,222 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:33:27,138 WARN L233 SmtUtils]: Spent 6.75s on a formula simplification. DAG size of input: 45 DAG size of output: 37 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:33:27,139 INFO L321 Elim1Store]: treesize reduction 185, result has 49.9 percent of original size [2022-11-25 22:33:27,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66514 treesize of output 65984 [2022-11-25 22:33:28,268 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 43142 treesize of output 43102 [2022-11-25 22:33:30,884 INFO L321 Elim1Store]: treesize reduction 17, result has 48.5 percent of original size [2022-11-25 22:33:30,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40846 treesize of output 40828 [2022-11-25 22:33:31,958 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 23 treesize of output 15 [2022-11-25 22:33:35,508 INFO L321 Elim1Store]: treesize reduction 45, result has 49.4 percent of original size [2022-11-25 22:33:35,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56608 treesize of output 56496 [2022-11-25 22:34:10,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:10,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:10,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:11,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:12,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:14,508 INFO L217 Elim1Store]: Index analysis took 7715 ms [2022-11-25 22:34:14,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:14,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:14,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:14,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:14,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:14,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:14,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:14,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:14,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:14,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:14,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 545 treesize of output 4453 [2022-11-25 22:34:14,727 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 23 treesize of output 15 [2022-11-25 22:34:16,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:21,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:22,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:23,222 INFO L217 Elim1Store]: Index analysis took 7743 ms [2022-11-25 22:34:23,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:23,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:23,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:23,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:23,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:23,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:23,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:23,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:23,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:23,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:23,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-11-25 22:34:24,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:24,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:28,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:29,454 INFO L217 Elim1Store]: Index analysis took 5903 ms [2022-11-25 22:34:29,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:29,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:29,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:29,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:29,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:29,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:29,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:29,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:29,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:29,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:29,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2257 [2022-11-25 22:34:29,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:29,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:29,940 INFO L217 Elim1Store]: Index analysis took 120 ms [2022-11-25 22:34:29,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2022-11-25 22:34:31,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:31,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:31,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:33,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:33,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:33,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:34,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:34,931 INFO L217 Elim1Store]: Index analysis took 4537 ms [2022-11-25 22:34:34,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:34,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:34,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:34,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:34,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:34,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:34,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:34,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:34,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:34,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:34,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2269 [2022-11-25 22:34:35,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:35,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:35,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2022-11-25 22:34:35,733 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:34:37,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:37,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:38,084 INFO L217 Elim1Store]: Index analysis took 2271 ms [2022-11-25 22:34:38,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:38,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:38,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:38,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:38,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:38,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:38,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:38,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:38,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:38,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 40009 treesize of output 43909 [2022-11-25 22:34:44,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:50,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:52,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:52,355 INFO L217 Elim1Store]: Index analysis took 9244 ms [2022-11-25 22:34:52,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:52,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:52,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:52,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:52,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:52,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:52,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:52,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:52,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:52,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:52,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2215 [2022-11-25 22:34:52,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:52,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:52,972 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-11-25 22:34:52,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 194 [2022-11-25 22:34:53,138 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:34:58,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:58,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:58,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:58,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:59,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:00,072 INFO L217 Elim1Store]: Index analysis took 6744 ms [2022-11-25 22:35:00,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:00,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:00,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:00,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:00,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:00,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:00,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:00,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:00,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:00,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:00,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 507 treesize of output 3942 [2022-11-25 22:35:00,428 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:35:01,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:06,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:06,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:07,372 INFO L217 Elim1Store]: Index analysis took 6653 ms [2022-11-25 22:35:07,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:07,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:07,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:07,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:07,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:07,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:07,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:07,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:07,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:07,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:07,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-11-25 22:35:07,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:35:07,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:35:07,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 54 [2022-11-25 22:35:09,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:09,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:09,593 INFO L217 Elim1Store]: Index analysis took 1571 ms [2022-11-25 22:35:09,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:09,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:09,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:09,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:09,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:09,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:09,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:09,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:09,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:09,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 34295 treesize of output 38205 [2022-11-25 22:35:27,099 INFO L217 Elim1Store]: Index analysis took 12244 ms [2022-11-25 22:35:28,694 INFO L321 Elim1Store]: treesize reduction 538, result has 3.8 percent of original size [2022-11-25 22:35:28,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 14 case distinctions, treesize of input 403 treesize of output 2354 [2022-11-25 22:35:29,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:35:29,176 INFO L217 Elim1Store]: Index analysis took 287 ms [2022-11-25 22:35:29,639 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:35:29,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 79 [2022-11-25 22:35:29,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:35:29,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:35:29,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2022-11-25 22:35:35,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:38,361 INFO L217 Elim1Store]: Index analysis took 8130 ms [2022-11-25 22:35:39,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 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 316 treesize of output 2350 [2022-11-25 22:35:39,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:40,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:41,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:49,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:50,606 INFO L217 Elim1Store]: Index analysis took 10776 ms [2022-11-25 22:35:50,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:50,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:50,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:50,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:50,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:50,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:50,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:50,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:50,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:50,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:50,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1409 treesize of output 3388 [2022-11-25 22:35:51,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:35:51,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:35:51,190 INFO L217 Elim1Store]: Index analysis took 294 ms [2022-11-25 22:35:51,779 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:35:51,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1093 treesize of output 919 [2022-11-25 22:35:52,261 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:35:53,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:55,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:59,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:08,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:10,908 INFO L217 Elim1Store]: Index analysis took 17835 ms [2022-11-25 22:36:10,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:10,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:10,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:10,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:10,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:10,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:10,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:10,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:10,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:10,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:10,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 573 treesize of output 2471 [2022-11-25 22:36:11,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:12,016 INFO L217 Elim1Store]: Index analysis took 443 ms [2022-11-25 22:36:12,952 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:36:12,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 257 treesize of output 221 [2022-11-25 22:36:13,418 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:36:15,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:15,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:17,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:17,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:17,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:36:18,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:18,571 INFO L217 Elim1Store]: Index analysis took 4889 ms [2022-11-25 22:36:18,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:18,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:18,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:18,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:18,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:18,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:18,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:18,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:18,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:18,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:18,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 349 treesize of output 2287 [2022-11-25 22:36:18,781 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 41 treesize of output 21 [2022-11-25 22:36:19,298 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:37:54,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:57,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:37:57,735 INFO L217 Elim1Store]: Index analysis took 3257 ms [2022-11-25 22:37:57,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1905 treesize of output 16050 [2022-11-25 22:37:59,988 INFO L217 Elim1Store]: Index analysis took 696 ms [2022-11-25 22:40:11,687 WARN L233 SmtUtils]: Spent 2.19m on a formula simplification. DAG size of input: 222 DAG size of output: 42 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:40:11,691 INFO L321 Elim1Store]: treesize reduction 1365, result has 5.7 percent of original size [2022-11-25 22:40:11,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 38 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 33 new quantified variables, introduced 68 case distinctions, treesize of input 5645 treesize of output 94048