./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7137d136237382d1d4fe8b796308ccd9bf4f8cbcaceb3edb5e802731e648c2dd --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:02:23,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:02:23,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:02:23,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:02:23,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:02:23,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:02:23,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:02:23,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:02:23,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:02:23,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:02:23,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:02:23,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:02:23,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:02:23,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:02:23,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:02:23,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:02:23,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:02:23,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:02:23,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:02:23,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:02:23,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:02:23,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:02:23,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:02:23,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:02:23,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:02:23,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:02:23,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:02:23,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:02:23,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:02:23,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:02:23,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:02:23,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:02:23,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:02:23,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:02:23,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:02:23,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:02:23,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:02:23,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:02:23,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:02:23,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:02:23,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:02:23,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:02:23,446 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:02:23,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:02:23,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:02:23,448 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:02:23,449 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:02:23,449 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:02:23,450 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:02:23,450 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:02:23,451 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:02:23,451 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:02:23,452 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:02:23,452 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:02:23,453 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:02:23,453 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:02:23,453 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:02:23,454 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:02:23,454 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:02:23,454 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:02:23,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:02:23,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:02:23,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:02:23,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:02:23,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:02:23,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:02:23,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:02:23,457 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:02:23,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:02:23,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:02:23,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:02:23,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:02:23,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:02:23,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:02:23,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:02:23,459 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:02:23,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:02:23,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:02:23,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:02:23,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:02:23,460 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7137d136237382d1d4fe8b796308ccd9bf4f8cbcaceb3edb5e802731e648c2dd [2021-11-25 19:02:23,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:02:23,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:02:23,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:02:23,739 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:02:23,740 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:02:23,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-25 19:02:23,813 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/data/7760ad41a/852c7f2c678d46988147e78a0c5dcaea/FLAG2f76176e7 [2021-11-25 19:02:24,843 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:02:24,844 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-25 19:02:24,916 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/data/7760ad41a/852c7f2c678d46988147e78a0c5dcaea/FLAG2f76176e7 [2021-11-25 19:02:25,206 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/data/7760ad41a/852c7f2c678d46988147e78a0c5dcaea [2021-11-25 19:02:25,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:02:25,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:02:25,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:02:25,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:02:25,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:02:25,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:02:25" (1/1) ... [2021-11-25 19:02:25,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7508c76f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:25, skipping insertion in model container [2021-11-25 19:02:25,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:02:25" (1/1) ... [2021-11-25 19:02:25,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:02:25,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:02:28,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i[298420,298433] [2021-11-25 19:02:28,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:02:28,159 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:02:28,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i[298420,298433] [2021-11-25 19:02:28,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:02:28,781 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:02:28,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:28 WrapperNode [2021-11-25 19:02:28,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:02:28,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:02:28,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:02:28,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:02:28,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:28" (1/1) ... [2021-11-25 19:02:28,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:28" (1/1) ... [2021-11-25 19:02:29,113 INFO L137 Inliner]: procedures = 382, calls = 2296, calls flagged for inlining = 189, calls inlined = 143, statements flattened = 4616 [2021-11-25 19:02:29,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:02:29,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:02:29,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:02:29,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:02:29,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:28" (1/1) ... [2021-11-25 19:02:29,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:28" (1/1) ... [2021-11-25 19:02:29,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:28" (1/1) ... [2021-11-25 19:02:29,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:28" (1/1) ... [2021-11-25 19:02:29,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:28" (1/1) ... [2021-11-25 19:02:29,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:28" (1/1) ... [2021-11-25 19:02:29,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:28" (1/1) ... [2021-11-25 19:02:29,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:02:29,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:02:29,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:02:29,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:02:29,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:28" (1/1) ... [2021-11-25 19:02:29,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:02:29,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:02:29,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:02:29,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:02:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-25 19:02:29,512 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-25 19:02:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-25 19:02:29,513 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-25 19:02:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-25 19:02:29,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-25 19:02:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-25 19:02:29,513 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-25 19:02:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2021-11-25 19:02:29,514 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2021-11-25 19:02:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2021-11-25 19:02:29,514 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2021-11-25 19:02:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 19:02:29,514 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 19:02:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-25 19:02:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-25 19:02:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2021-11-25 19:02:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2021-11-25 19:02:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 19:02:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2021-11-25 19:02:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2021-11-25 19:02:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:02:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 19:02:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 19:02:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 19:02:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 19:02:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2021-11-25 19:02:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2021-11-25 19:02:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 19:02:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 19:02:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure jme_ioctl [2021-11-25 19:02:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_ioctl [2021-11-25 19:02:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2021-11-25 19:02:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2021-11-25 19:02:29,518 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2021-11-25 19:02:29,518 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2021-11-25 19:02:29,518 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2021-11-25 19:02:29,518 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2021-11-25 19:02:29,518 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2021-11-25 19:02:29,518 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2021-11-25 19:02:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2021-11-25 19:02:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2021-11-25 19:02:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-25 19:02:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-25 19:02:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 19:02:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 19:02:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 19:02:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 19:02:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2021-11-25 19:02:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2021-11-25 19:02:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2021-11-25 19:02:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2021-11-25 19:02:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable_nosync [2021-11-25 19:02:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable_nosync [2021-11-25 19:02:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 19:02:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 19:02:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2021-11-25 19:02:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2021-11-25 19:02:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2021-11-25 19:02:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2021-11-25 19:02:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2021-11-25 19:02:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2021-11-25 19:02:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-25 19:02:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-25 19:02:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-25 19:02:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-25 19:02:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 19:02:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 19:02:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 19:02:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 19:02:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2021-11-25 19:02:29,524 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2021-11-25 19:02:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-25 19:02:29,524 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-25 19:02:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:02:29,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:02:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 19:02:29,524 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 19:02:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-25 19:02:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-25 19:02:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 19:02:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 19:02:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2021-11-25 19:02:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2021-11-25 19:02:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 19:02:29,526 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 19:02:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:02:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 19:02:29,526 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 19:02:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:02:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 19:02:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 19:02:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2021-11-25 19:02:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2021-11-25 19:02:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unmap_page_2 [2021-11-25 19:02:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unmap_page_2 [2021-11-25 19:02:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 19:02:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 19:02:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2021-11-25 19:02:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2021-11-25 19:02:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 19:02:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 19:02:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2021-11-25 19:02:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2021-11-25 19:02:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:02:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-25 19:02:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-25 19:02:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:02:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2021-11-25 19:02:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2021-11-25 19:02:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2021-11-25 19:02:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2021-11-25 19:02:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-11-25 19:02:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-11-25 19:02:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 19:02:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 19:02:29,531 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 19:02:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 19:02:29,531 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2021-11-25 19:02:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2021-11-25 19:02:29,531 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-25 19:02:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-25 19:02:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2021-11-25 19:02:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2021-11-25 19:02:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-25 19:02:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-25 19:02:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 19:02:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2021-11-25 19:02:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2021-11-25 19:02:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_macaddr [2021-11-25 19:02:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_macaddr [2021-11-25 19:02:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 19:02:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 19:02:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-25 19:02:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-25 19:02:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 19:02:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 19:02:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2021-11-25 19:02:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2021-11-25 19:02:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure jme_vlan_rx_register [2021-11-25 19:02:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_vlan_rx_register [2021-11-25 19:02:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 19:02:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:02:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2021-11-25 19:02:29,535 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2021-11-25 19:02:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 19:02:29,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 19:02:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 19:02:29,535 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 19:02:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 19:02:29,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 19:02:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2021-11-25 19:02:29,536 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2021-11-25 19:02:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2021-11-25 19:02:29,536 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2021-11-25 19:02:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2021-11-25 19:02:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2021-11-25 19:02:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 19:02:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 19:02:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-25 19:02:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-25 19:02:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2021-11-25 19:02:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2021-11-25 19:02:29,538 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 19:02:29,538 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 19:02:29,538 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-25 19:02:29,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-25 19:02:29,538 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-25 19:02:29,538 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-25 19:02:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2021-11-25 19:02:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2021-11-25 19:02:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_features [2021-11-25 19:02:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_features [2021-11-25 19:02:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 19:02:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 19:02:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:02:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 19:02:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 19:02:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2021-11-25 19:02:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2021-11-25 19:02:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-25 19:02:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-25 19:02:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2021-11-25 19:02:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2021-11-25 19:02:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2021-11-25 19:02:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2021-11-25 19:02:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2021-11-25 19:02:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2021-11-25 19:02:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2021-11-25 19:02:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2021-11-25 19:02:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2021-11-25 19:02:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2021-11-25 19:02:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-25 19:02:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-25 19:02:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 19:02:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 19:02:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-25 19:02:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-25 19:02:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:02:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 19:02:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 19:02:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2021-11-25 19:02:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2021-11-25 19:02:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-25 19:02:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-25 19:02:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_coherent [2021-11-25 19:02:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_coherent [2021-11-25 19:02:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2021-11-25 19:02:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2021-11-25 19:02:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2021-11-25 19:02:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2021-11-25 19:02:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:02:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-25 19:02:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-25 19:02:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 19:02:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 19:02:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:02:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-25 19:02:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-25 19:02:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-25 19:02:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-25 19:02:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2021-11-25 19:02:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2021-11-25 19:02:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2021-11-25 19:02:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2021-11-25 19:02:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 19:02:29,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 19:02:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2021-11-25 19:02:29,547 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2021-11-25 19:02:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2021-11-25 19:02:29,547 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2021-11-25 19:02:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fix_features [2021-11-25 19:02:29,548 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fix_features [2021-11-25 19:02:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2021-11-25 19:02:29,548 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2021-11-25 19:02:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-25 19:02:29,548 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-25 19:02:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 19:02:29,549 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 19:02:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2021-11-25 19:02:29,549 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2021-11-25 19:02:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2021-11-25 19:02:29,549 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2021-11-25 19:02:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-25 19:02:29,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-25 19:02:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 19:02:29,550 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 19:02:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_map_page_1 [2021-11-25 19:02:29,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_map_page_1 [2021-11-25 19:02:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 19:02:29,551 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 19:02:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 19:02:29,551 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 19:02:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:02:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2021-11-25 19:02:29,551 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2021-11-25 19:02:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2021-11-25 19:02:29,552 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2021-11-25 19:02:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-11-25 19:02:29,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-11-25 19:02:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:02:29,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:02:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure jme_change_mtu [2021-11-25 19:02:29,552 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_change_mtu [2021-11-25 19:02:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2021-11-25 19:02:29,553 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2021-11-25 19:02:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-25 19:02:29,553 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-25 19:02:30,418 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:02:30,422 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:02:30,897 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 19:02:35,419 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:02:36,439 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:02:36,439 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-25 19:02:36,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:02:36 BoogieIcfgContainer [2021-11-25 19:02:36,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:02:36,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:02:36,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:02:36,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:02:36,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:02:25" (1/3) ... [2021-11-25 19:02:36,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304cc73b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:02:36, skipping insertion in model container [2021-11-25 19:02:36,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:28" (2/3) ... [2021-11-25 19:02:36,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304cc73b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:02:36, skipping insertion in model container [2021-11-25 19:02:36,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:02:36" (3/3) ... [2021-11-25 19:02:36,456 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-25 19:02:36,465 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:02:36,465 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:02:36,543 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:02:36,560 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:02:36,568 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:02:36,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 1570 states, 901 states have (on average 1.3196448390677025) internal successors, (1189), 948 states have internal predecessors, (1189), 546 states have call successors, (546), 126 states have call predecessors, (546), 125 states have return successors, (540), 530 states have call predecessors, (540), 540 states have call successors, (540) [2021-11-25 19:02:36,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-25 19:02:36,668 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:36,669 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:36,670 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:02:36,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:36,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1788518744, now seen corresponding path program 1 times [2021-11-25 19:02:36,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:36,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517980306] [2021-11-25 19:02:36,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:36,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2021-11-25 19:02:37,529 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:37,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517980306] [2021-11-25 19:02:37,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517980306] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:37,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:37,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:02:37,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008429468] [2021-11-25 19:02:37,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:37,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:02:37,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:37,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:02:37,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:02:37,572 INFO L87 Difference]: Start difference. First operand has 1570 states, 901 states have (on average 1.3196448390677025) internal successors, (1189), 948 states have internal predecessors, (1189), 546 states have call successors, (546), 126 states have call predecessors, (546), 125 states have return successors, (540), 530 states have call predecessors, (540), 540 states have call successors, (540) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-11-25 19:02:40,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:43,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:43,079 INFO L93 Difference]: Finished difference Result 4477 states and 6499 transitions. [2021-11-25 19:02:43,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:02:43,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 177 [2021-11-25 19:02:43,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:43,140 INFO L225 Difference]: With dead ends: 4477 [2021-11-25 19:02:43,140 INFO L226 Difference]: Without dead ends: 2920 [2021-11-25 19:02:43,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:02:43,172 INFO L933 BasicCegarLoop]: 2600 mSDtfsCounter, 1978 mSDsluCounter, 2231 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 4616 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:43,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1978 Valid, 4616 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 468 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2021-11-25 19:02:43,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2920 states. [2021-11-25 19:02:43,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2920 to 2916. [2021-11-25 19:02:43,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2916 states, 1679 states have (on average 1.3114949374627756) internal successors, (2202), 1747 states have internal predecessors, (2202), 993 states have call successors, (993), 244 states have call predecessors, (993), 243 states have return successors, (990), 970 states have call predecessors, (990), 990 states have call successors, (990) [2021-11-25 19:02:43,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 4185 transitions. [2021-11-25 19:02:43,505 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 4185 transitions. Word has length 177 [2021-11-25 19:02:43,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:43,509 INFO L470 AbstractCegarLoop]: Abstraction has 2916 states and 4185 transitions. [2021-11-25 19:02:43,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-11-25 19:02:43,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 4185 transitions. [2021-11-25 19:02:43,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-25 19:02:43,528 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:43,528 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:43,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:02:43,529 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:02:43,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:43,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1331421371, now seen corresponding path program 1 times [2021-11-25 19:02:43,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:43,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463522056] [2021-11-25 19:02:43,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:43,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:43,902 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2021-11-25 19:02:43,902 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:43,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463522056] [2021-11-25 19:02:43,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463522056] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:43,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:43,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:02:43,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994568696] [2021-11-25 19:02:43,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:43,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:02:43,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:43,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:02:43,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:02:43,908 INFO L87 Difference]: Start difference. First operand 2916 states and 4185 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 19:02:46,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:48,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:48,987 INFO L93 Difference]: Finished difference Result 5684 states and 8142 transitions. [2021-11-25 19:02:48,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:02:48,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 192 [2021-11-25 19:02:48,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:49,120 INFO L225 Difference]: With dead ends: 5684 [2021-11-25 19:02:49,121 INFO L226 Difference]: Without dead ends: 5681 [2021-11-25 19:02:49,124 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:02:49,125 INFO L933 BasicCegarLoop]: 2593 mSDtfsCounter, 2020 mSDsluCounter, 2170 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 4548 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:49,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2020 Valid, 4548 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 458 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2021-11-25 19:02:49,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5681 states. [2021-11-25 19:02:49,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5681 to 5677. [2021-11-25 19:02:49,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5677 states, 3280 states have (on average 1.313719512195122) internal successors, (4309), 3412 states have internal predecessors, (4309), 1915 states have call successors, (1915), 482 states have call predecessors, (1915), 481 states have return successors, (1912), 1872 states have call predecessors, (1912), 1912 states have call successors, (1912) [2021-11-25 19:02:49,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5677 states to 5677 states and 8136 transitions. [2021-11-25 19:02:49,451 INFO L78 Accepts]: Start accepts. Automaton has 5677 states and 8136 transitions. Word has length 192 [2021-11-25 19:02:49,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:49,452 INFO L470 AbstractCegarLoop]: Abstraction has 5677 states and 8136 transitions. [2021-11-25 19:02:49,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 19:02:49,453 INFO L276 IsEmpty]: Start isEmpty. Operand 5677 states and 8136 transitions. [2021-11-25 19:02:49,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-25 19:02:49,459 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:49,459 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:49,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:02:49,459 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:02:49,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:49,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1676467473, now seen corresponding path program 1 times [2021-11-25 19:02:49,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:49,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455508237] [2021-11-25 19:02:49,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:49,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:49,678 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2021-11-25 19:02:49,678 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:49,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455508237] [2021-11-25 19:02:49,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455508237] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:49,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:49,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:02:49,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465206616] [2021-11-25 19:02:49,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:49,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:02:49,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:49,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:02:49,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:02:49,681 INFO L87 Difference]: Start difference. First operand 5677 states and 8136 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 19:02:53,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:53,773 INFO L93 Difference]: Finished difference Result 16699 states and 24006 transitions. [2021-11-25 19:02:53,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:02:53,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 193 [2021-11-25 19:02:53,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:53,874 INFO L225 Difference]: With dead ends: 16699 [2021-11-25 19:02:53,874 INFO L226 Difference]: Without dead ends: 11054 [2021-11-25 19:02:53,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:02:53,918 INFO L933 BasicCegarLoop]: 2504 mSDtfsCounter, 2110 mSDsluCounter, 2172 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2110 SdHoareTripleChecker+Valid, 4462 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:53,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2110 Valid, 4462 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-25 19:02:53,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11054 states. [2021-11-25 19:02:54,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11054 to 11038. [2021-11-25 19:02:54,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11038 states, 6376 states have (on average 1.3183814303638646) internal successors, (8406), 6642 states have internal predecessors, (8406), 3732 states have call successors, (3732), 939 states have call predecessors, (3732), 929 states have return successors, (3728), 3632 states have call predecessors, (3728), 3728 states have call successors, (3728) [2021-11-25 19:02:54,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11038 states to 11038 states and 15866 transitions. [2021-11-25 19:02:54,789 INFO L78 Accepts]: Start accepts. Automaton has 11038 states and 15866 transitions. Word has length 193 [2021-11-25 19:02:54,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:54,792 INFO L470 AbstractCegarLoop]: Abstraction has 11038 states and 15866 transitions. [2021-11-25 19:02:54,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 19:02:54,793 INFO L276 IsEmpty]: Start isEmpty. Operand 11038 states and 15866 transitions. [2021-11-25 19:02:54,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-25 19:02:54,805 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:54,805 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:54,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:02:54,806 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:02:54,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:54,806 INFO L85 PathProgramCache]: Analyzing trace with hash 576972775, now seen corresponding path program 1 times [2021-11-25 19:02:54,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:54,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47256603] [2021-11-25 19:02:54,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:54,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:55,080 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2021-11-25 19:02:55,080 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:55,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47256603] [2021-11-25 19:02:55,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47256603] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:55,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:55,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:02:55,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652863179] [2021-11-25 19:02:55,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:55,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:02:55,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:55,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:02:55,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:02:55,083 INFO L87 Difference]: Start difference. First operand 11038 states and 15866 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-25 19:02:58,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:58,959 INFO L93 Difference]: Finished difference Result 32068 states and 46088 transitions. [2021-11-25 19:02:58,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:02:58,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 234 [2021-11-25 19:02:58,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:59,141 INFO L225 Difference]: With dead ends: 32068 [2021-11-25 19:02:59,141 INFO L226 Difference]: Without dead ends: 21065 [2021-11-25 19:02:59,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:02:59,217 INFO L933 BasicCegarLoop]: 2734 mSDtfsCounter, 1901 mSDsluCounter, 2162 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1901 SdHoareTripleChecker+Valid, 4685 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:59,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1901 Valid, 4685 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-25 19:02:59,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21065 states. [2021-11-25 19:03:00,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21065 to 21046. [2021-11-25 19:03:00,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21046 states, 12140 states have (on average 1.3177100494233938) internal successors, (15997), 12642 states have internal predecessors, (15997), 7126 states have call successors, (7126), 1797 states have call predecessors, (7126), 1779 states have return successors, (7122), 6938 states have call predecessors, (7122), 7122 states have call successors, (7122) [2021-11-25 19:03:00,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21046 states to 21046 states and 30245 transitions. [2021-11-25 19:03:00,585 INFO L78 Accepts]: Start accepts. Automaton has 21046 states and 30245 transitions. Word has length 234 [2021-11-25 19:03:00,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:00,589 INFO L470 AbstractCegarLoop]: Abstraction has 21046 states and 30245 transitions. [2021-11-25 19:03:00,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-25 19:03:00,590 INFO L276 IsEmpty]: Start isEmpty. Operand 21046 states and 30245 transitions. [2021-11-25 19:03:00,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-25 19:03:00,606 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:00,606 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:00,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:03:00,607 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:03:00,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:00,607 INFO L85 PathProgramCache]: Analyzing trace with hash -442404898, now seen corresponding path program 1 times [2021-11-25 19:03:00,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:00,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210406968] [2021-11-25 19:03:00,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:00,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:01,072 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 629 trivial. 0 not checked. [2021-11-25 19:03:01,072 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:01,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210406968] [2021-11-25 19:03:01,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210406968] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:01,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:01,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:03:01,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914114] [2021-11-25 19:03:01,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:01,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:03:01,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:01,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:03:01,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:03:01,076 INFO L87 Difference]: Start difference. First operand 21046 states and 30245 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-25 19:03:05,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:06,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:06,988 INFO L93 Difference]: Finished difference Result 34261 states and 49234 transitions. [2021-11-25 19:03:06,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:03:06,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 256 [2021-11-25 19:03:06,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:07,060 INFO L225 Difference]: With dead ends: 34261 [2021-11-25 19:03:07,061 INFO L226 Difference]: Without dead ends: 13257 [2021-11-25 19:03:07,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:03:07,147 INFO L933 BasicCegarLoop]: 2007 mSDtfsCounter, 8 mSDsluCounter, 2219 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4009 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:07,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 4009 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 440 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2021-11-25 19:03:07,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13257 states. [2021-11-25 19:03:08,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13257 to 13246. [2021-11-25 19:03:08,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13246 states, 7628 states have (on average 1.316072364971159) internal successors, (10039), 7941 states have internal predecessors, (10039), 4498 states have call successors, (4498), 1131 states have call predecessors, (4498), 1119 states have return successors, (4494), 4380 states have call predecessors, (4494), 4494 states have call successors, (4494) [2021-11-25 19:03:08,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13246 states to 13246 states and 19031 transitions. [2021-11-25 19:03:08,112 INFO L78 Accepts]: Start accepts. Automaton has 13246 states and 19031 transitions. Word has length 256 [2021-11-25 19:03:08,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:08,114 INFO L470 AbstractCegarLoop]: Abstraction has 13246 states and 19031 transitions. [2021-11-25 19:03:08,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-25 19:03:08,115 INFO L276 IsEmpty]: Start isEmpty. Operand 13246 states and 19031 transitions. [2021-11-25 19:03:08,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-25 19:03:08,147 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:08,147 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:08,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 19:03:08,148 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:03:08,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:08,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1696165815, now seen corresponding path program 1 times [2021-11-25 19:03:08,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:08,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256919465] [2021-11-25 19:03:08,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:08,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:08,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1609 trivial. 0 not checked. [2021-11-25 19:03:08,538 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:08,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256919465] [2021-11-25 19:03:08,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256919465] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:08,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:08,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:03:08,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556904721] [2021-11-25 19:03:08,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:08,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:03:08,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:08,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:03:08,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:03:08,542 INFO L87 Difference]: Start difference. First operand 13246 states and 19031 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-25 19:03:13,532 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:15,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:18,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:18,337 INFO L93 Difference]: Finished difference Result 34900 states and 52524 transitions. [2021-11-25 19:03:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:03:18,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 340 [2021-11-25 19:03:18,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:18,456 INFO L225 Difference]: With dead ends: 34900 [2021-11-25 19:03:18,456 INFO L226 Difference]: Without dead ends: 24198 [2021-11-25 19:03:18,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:03:18,500 INFO L933 BasicCegarLoop]: 3766 mSDtfsCounter, 1427 mSDsluCounter, 6459 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 307 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1732 SdHoareTripleChecker+Valid, 9653 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:18,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1732 Valid, 9653 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 969 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2021-11-25 19:03:18,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24198 states. [2021-11-25 19:03:19,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24198 to 13254. [2021-11-25 19:03:19,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13254 states, 7636 states have (on average 1.3157412257726557) internal successors, (10047), 7949 states have internal predecessors, (10047), 4498 states have call successors, (4498), 1131 states have call predecessors, (4498), 1119 states have return successors, (4494), 4380 states have call predecessors, (4494), 4494 states have call successors, (4494) [2021-11-25 19:03:19,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13254 states to 13254 states and 19039 transitions. [2021-11-25 19:03:19,822 INFO L78 Accepts]: Start accepts. Automaton has 13254 states and 19039 transitions. Word has length 340 [2021-11-25 19:03:19,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:19,824 INFO L470 AbstractCegarLoop]: Abstraction has 13254 states and 19039 transitions. [2021-11-25 19:03:19,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-25 19:03:19,825 INFO L276 IsEmpty]: Start isEmpty. Operand 13254 states and 19039 transitions. [2021-11-25 19:03:19,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-11-25 19:03:19,857 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:19,858 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:19,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 19:03:19,858 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:03:19,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:19,859 INFO L85 PathProgramCache]: Analyzing trace with hash -449431315, now seen corresponding path program 1 times [2021-11-25 19:03:19,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:19,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216391859] [2021-11-25 19:03:19,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:19,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:20,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1618 trivial. 0 not checked. [2021-11-25 19:03:20,269 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:20,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216391859] [2021-11-25 19:03:20,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216391859] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:20,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:20,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:03:20,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084109016] [2021-11-25 19:03:20,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:20,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:03:20,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:20,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:03:20,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:03:20,274 INFO L87 Difference]: Start difference. First operand 13254 states and 19039 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-25 19:03:22,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:22,121 INFO L93 Difference]: Finished difference Result 13256 states and 19040 transitions. [2021-11-25 19:03:22,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:03:22,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 342 [2021-11-25 19:03:22,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:22,187 INFO L225 Difference]: With dead ends: 13256 [2021-11-25 19:03:22,187 INFO L226 Difference]: Without dead ends: 13250 [2021-11-25 19:03:22,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:03:22,196 INFO L933 BasicCegarLoop]: 2003 mSDtfsCounter, 2149 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2149 SdHoareTripleChecker+Valid, 2003 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:22,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2149 Valid, 2003 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 19:03:22,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13250 states. [2021-11-25 19:03:22,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13250 to 13247. [2021-11-25 19:03:22,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13247 states, 7630 states have (on average 1.3153342070773264) internal successors, (10036), 7942 states have internal predecessors, (10036), 4497 states have call successors, (4497), 1131 states have call predecessors, (4497), 1119 states have return successors, (4494), 4380 states have call predecessors, (4494), 4494 states have call successors, (4494) [2021-11-25 19:03:22,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13247 states to 13247 states and 19027 transitions. [2021-11-25 19:03:22,954 INFO L78 Accepts]: Start accepts. Automaton has 13247 states and 19027 transitions. Word has length 342 [2021-11-25 19:03:22,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:22,955 INFO L470 AbstractCegarLoop]: Abstraction has 13247 states and 19027 transitions. [2021-11-25 19:03:22,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-25 19:03:22,955 INFO L276 IsEmpty]: Start isEmpty. Operand 13247 states and 19027 transitions. [2021-11-25 19:03:22,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-25 19:03:22,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:22,990 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 5, 5, 5, 5, 5, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:22,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 19:03:22,991 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:03:22,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:22,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1989384342, now seen corresponding path program 1 times [2021-11-25 19:03:22,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:22,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916038648] [2021-11-25 19:03:22,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:22,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:23,250 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 704 trivial. 0 not checked. [2021-11-25 19:03:23,250 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:23,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916038648] [2021-11-25 19:03:23,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916038648] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:23,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:23,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:03:23,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046325480] [2021-11-25 19:03:23,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:23,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:03:23,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:23,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:03:23,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:03:23,253 INFO L87 Difference]: Start difference. First operand 13247 states and 19027 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-25 19:03:27,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:28,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:28,506 INFO L93 Difference]: Finished difference Result 24795 states and 35532 transitions. [2021-11-25 19:03:28,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:03:28,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 345 [2021-11-25 19:03:28,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:28,679 INFO L225 Difference]: With dead ends: 24795 [2021-11-25 19:03:28,679 INFO L226 Difference]: Without dead ends: 11591 [2021-11-25 19:03:28,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:03:28,729 INFO L933 BasicCegarLoop]: 2352 mSDtfsCounter, 1500 mSDsluCounter, 2065 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 4208 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:28,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1500 Valid, 4208 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 521 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2021-11-25 19:03:28,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11591 states. [2021-11-25 19:03:29,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11591 to 11574. [2021-11-25 19:03:29,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11574 states, 6661 states have (on average 1.3149677225641796) internal successors, (8759), 6935 states have internal predecessors, (8759), 3892 states have call successors, (3892), 1026 states have call predecessors, (3892), 1020 states have return successors, (3889), 3799 states have call predecessors, (3889), 3889 states have call successors, (3889) [2021-11-25 19:03:29,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11574 states to 11574 states and 16540 transitions. [2021-11-25 19:03:29,536 INFO L78 Accepts]: Start accepts. Automaton has 11574 states and 16540 transitions. Word has length 345 [2021-11-25 19:03:29,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:29,537 INFO L470 AbstractCegarLoop]: Abstraction has 11574 states and 16540 transitions. [2021-11-25 19:03:29,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-25 19:03:29,538 INFO L276 IsEmpty]: Start isEmpty. Operand 11574 states and 16540 transitions. [2021-11-25 19:03:29,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1000 [2021-11-25 19:03:29,609 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:29,610 INFO L514 BasicCegarLoop]: trace histogram [58, 45, 29, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:29,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 19:03:29,610 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:03:29,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:29,611 INFO L85 PathProgramCache]: Analyzing trace with hash 679329427, now seen corresponding path program 1 times [2021-11-25 19:03:29,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:29,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512544847] [2021-11-25 19:03:29,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:29,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 8877 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8877 trivial. 0 not checked. [2021-11-25 19:03:30,060 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:30,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512544847] [2021-11-25 19:03:30,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512544847] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:30,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:30,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:03:30,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013373412] [2021-11-25 19:03:30,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:30,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:03:30,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:30,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:03:30,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:03:30,064 INFO L87 Difference]: Start difference. First operand 11574 states and 16540 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (94), 2 states have call predecessors, (94), 1 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90) [2021-11-25 19:03:33,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:35,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:36,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:36,855 INFO L93 Difference]: Finished difference Result 30293 states and 43268 transitions. [2021-11-25 19:03:36,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:03:36,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (94), 2 states have call predecessors, (94), 1 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90) Word has length 999 [2021-11-25 19:03:36,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:36,922 INFO L225 Difference]: With dead ends: 30293 [2021-11-25 19:03:36,922 INFO L226 Difference]: Without dead ends: 18762 [2021-11-25 19:03:37,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:03:37,097 INFO L933 BasicCegarLoop]: 3251 mSDtfsCounter, 1914 mSDsluCounter, 2137 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1914 SdHoareTripleChecker+Valid, 5193 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:37,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1914 Valid, 5193 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 553 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2021-11-25 19:03:37,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18762 states. [2021-11-25 19:03:38,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18762 to 18659. [2021-11-25 19:03:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18659 states, 10864 states have (on average 1.3206921944035346) internal successors, (14348), 11323 states have internal predecessors, (14348), 6161 states have call successors, (6161), 1641 states have call predecessors, (6161), 1633 states have return successors, (6158), 5990 states have call predecessors, (6158), 6158 states have call successors, (6158) [2021-11-25 19:03:38,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18659 states to 18659 states and 26667 transitions. [2021-11-25 19:03:38,169 INFO L78 Accepts]: Start accepts. Automaton has 18659 states and 26667 transitions. Word has length 999 [2021-11-25 19:03:38,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:38,170 INFO L470 AbstractCegarLoop]: Abstraction has 18659 states and 26667 transitions. [2021-11-25 19:03:38,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (94), 2 states have call predecessors, (94), 1 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90) [2021-11-25 19:03:38,171 INFO L276 IsEmpty]: Start isEmpty. Operand 18659 states and 26667 transitions. [2021-11-25 19:03:38,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1166 [2021-11-25 19:03:38,242 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:38,243 INFO L514 BasicCegarLoop]: trace histogram [58, 45, 29, 18, 18, 18, 18, 18, 18, 18, 18, 18, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:38,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 19:03:38,244 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:03:38,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:38,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1507661015, now seen corresponding path program 1 times [2021-11-25 19:03:38,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:38,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336986227] [2021-11-25 19:03:38,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:38,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:39,233 INFO L134 CoverageAnalysis]: Checked inductivity of 9983 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 9976 trivial. 0 not checked. [2021-11-25 19:03:39,233 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:39,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336986227] [2021-11-25 19:03:39,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336986227] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:03:39,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005504902] [2021-11-25 19:03:39,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:39,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:03:39,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:03:39,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:03:39,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:03:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:41,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 8523 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 19:03:41,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:03:43,455 INFO L134 CoverageAnalysis]: Checked inductivity of 9983 backedges. 787 proven. 0 refuted. 0 times theorem prover too weak. 9196 trivial. 0 not checked. [2021-11-25 19:03:43,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:03:43,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005504902] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:43,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 19:03:43,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-25 19:03:43,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503768999] [2021-11-25 19:03:43,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:43,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:03:43,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:43,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:03:43,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:03:43,459 INFO L87 Difference]: Start difference. First operand 18659 states and 26667 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 3 states have call successors, (114), 3 states have call predecessors, (114), 3 states have return successors, (110), 3 states have call predecessors, (110), 3 states have call successors, (110) [2021-11-25 19:03:46,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:46,855 INFO L93 Difference]: Finished difference Result 45252 states and 64801 transitions. [2021-11-25 19:03:46,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:03:46,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 3 states have call successors, (114), 3 states have call predecessors, (114), 3 states have return successors, (110), 3 states have call predecessors, (110), 3 states have call successors, (110) Word has length 1165 [2021-11-25 19:03:46,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:47,096 INFO L225 Difference]: With dead ends: 45252 [2021-11-25 19:03:47,096 INFO L226 Difference]: Without dead ends: 27002 [2021-11-25 19:03:47,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1170 GetRequests, 1167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:03:47,139 INFO L933 BasicCegarLoop]: 3115 mSDtfsCounter, 1989 mSDsluCounter, 2116 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 5037 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:47,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1989 Valid, 5037 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-25 19:03:47,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27002 states. [2021-11-25 19:03:48,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27002 to 26829. [2021-11-25 19:03:48,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26829 states, 15790 states have (on average 1.329069031032299) internal successors, (20986), 16443 states have internal predecessors, (20986), 8734 states have call successors, (8734), 2314 states have call predecessors, (8734), 2304 states have return successors, (8731), 8486 states have call predecessors, (8731), 8731 states have call successors, (8731) [2021-11-25 19:03:48,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26829 states to 26829 states and 38451 transitions. [2021-11-25 19:03:48,644 INFO L78 Accepts]: Start accepts. Automaton has 26829 states and 38451 transitions. Word has length 1165 [2021-11-25 19:03:48,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:48,646 INFO L470 AbstractCegarLoop]: Abstraction has 26829 states and 38451 transitions. [2021-11-25 19:03:48,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 3 states have call successors, (114), 3 states have call predecessors, (114), 3 states have return successors, (110), 3 states have call predecessors, (110), 3 states have call successors, (110) [2021-11-25 19:03:48,646 INFO L276 IsEmpty]: Start isEmpty. Operand 26829 states and 38451 transitions. [2021-11-25 19:03:48,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1184 [2021-11-25 19:03:48,708 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:48,709 INFO L514 BasicCegarLoop]: trace histogram [58, 45, 29, 18, 18, 18, 18, 18, 18, 18, 18, 18, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:48,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:03:48,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-25 19:03:48,923 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:03:48,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:48,924 INFO L85 PathProgramCache]: Analyzing trace with hash 176332572, now seen corresponding path program 1 times [2021-11-25 19:03:48,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:48,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857328279] [2021-11-25 19:03:48,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:48,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:49,915 INFO L134 CoverageAnalysis]: Checked inductivity of 9999 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9999 trivial. 0 not checked. [2021-11-25 19:03:49,916 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:49,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857328279] [2021-11-25 19:03:49,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857328279] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:49,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:49,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 19:03:49,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921223918] [2021-11-25 19:03:49,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:49,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 19:03:49,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:49,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 19:03:49,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:03:49,921 INFO L87 Difference]: Start difference. First operand 26829 states and 38451 transitions. Second operand has 8 states, 6 states have (on average 30.5) internal successors, (183), 6 states have internal predecessors, (183), 3 states have call successors, (112), 2 states have call predecessors, (112), 3 states have return successors, (108), 4 states have call predecessors, (108), 3 states have call successors, (108) [2021-11-25 19:03:56,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:59,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:01,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:05,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:05,359 INFO L93 Difference]: Finished difference Result 53393 states and 76709 transitions. [2021-11-25 19:04:05,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 19:04:05,360 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 30.5) internal successors, (183), 6 states have internal predecessors, (183), 3 states have call successors, (112), 2 states have call predecessors, (112), 3 states have return successors, (108), 4 states have call predecessors, (108), 3 states have call successors, (108) Word has length 1183 [2021-11-25 19:04:05,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:05,483 INFO L225 Difference]: With dead ends: 53393 [2021-11-25 19:04:05,483 INFO L226 Difference]: Without dead ends: 26973 [2021-11-25 19:04:05,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:04:05,572 INFO L933 BasicCegarLoop]: 1992 mSDtfsCounter, 12 mSDsluCounter, 13238 mSDsCounter, 0 mSdLazyCounter, 1686 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 13914 SdHoareTripleChecker+Invalid, 1697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1686 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:05,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 13914 Invalid, 1697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1686 Invalid, 1 Unknown, 0 Unchecked, 14.4s Time] [2021-11-25 19:04:05,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26973 states. [2021-11-25 19:04:07,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26973 to 26883. [2021-11-25 19:04:07,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26883 states, 15826 states have (on average 1.3283204852773915) internal successors, (21022), 16461 states have internal predecessors, (21022), 8752 states have call successors, (8752), 2314 states have call predecessors, (8752), 2304 states have return successors, (8749), 8504 states have call predecessors, (8749), 8749 states have call successors, (8749) [2021-11-25 19:04:07,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26883 states to 26883 states and 38523 transitions. [2021-11-25 19:04:07,293 INFO L78 Accepts]: Start accepts. Automaton has 26883 states and 38523 transitions. Word has length 1183 [2021-11-25 19:04:07,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:07,294 INFO L470 AbstractCegarLoop]: Abstraction has 26883 states and 38523 transitions. [2021-11-25 19:04:07,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 30.5) internal successors, (183), 6 states have internal predecessors, (183), 3 states have call successors, (112), 2 states have call predecessors, (112), 3 states have return successors, (108), 4 states have call predecessors, (108), 3 states have call successors, (108) [2021-11-25 19:04:07,295 INFO L276 IsEmpty]: Start isEmpty. Operand 26883 states and 38523 transitions. [2021-11-25 19:04:07,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1189 [2021-11-25 19:04:07,335 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:07,337 INFO L514 BasicCegarLoop]: trace histogram [58, 45, 29, 18, 18, 18, 18, 18, 18, 18, 18, 18, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:07,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 19:04:07,337 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:04:07,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:07,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1002174670, now seen corresponding path program 1 times [2021-11-25 19:04:07,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:07,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662492602] [2021-11-25 19:04:07,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:07,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:08,276 INFO L134 CoverageAnalysis]: Checked inductivity of 10001 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10001 trivial. 0 not checked. [2021-11-25 19:04:08,276 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:08,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662492602] [2021-11-25 19:04:08,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662492602] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:08,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:08,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:04:08,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243978195] [2021-11-25 19:04:08,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:08,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:04:08,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:08,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:04:08,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:04:08,280 INFO L87 Difference]: Start difference. First operand 26883 states and 38523 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 2 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2021-11-25 19:04:11,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:13,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:13,951 INFO L93 Difference]: Finished difference Result 53537 states and 76835 transitions. [2021-11-25 19:04:13,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:04:13,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 2 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) Word has length 1188 [2021-11-25 19:04:13,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:14,084 INFO L225 Difference]: With dead ends: 53537 [2021-11-25 19:04:14,085 INFO L226 Difference]: Without dead ends: 27063 [2021-11-25 19:04:14,161 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:04:14,162 INFO L933 BasicCegarLoop]: 2008 mSDtfsCounter, 5 mSDsluCounter, 2218 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4010 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:14,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 4010 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 438 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2021-11-25 19:04:14,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27063 states. [2021-11-25 19:04:15,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27063 to 26903. [2021-11-25 19:04:15,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26903 states, 15846 states have (on average 1.327906096175691) internal successors, (21042), 16481 states have internal predecessors, (21042), 8752 states have call successors, (8752), 2314 states have call predecessors, (8752), 2304 states have return successors, (8749), 8504 states have call predecessors, (8749), 8749 states have call successors, (8749) [2021-11-25 19:04:15,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26903 states to 26903 states and 38543 transitions. [2021-11-25 19:04:15,421 INFO L78 Accepts]: Start accepts. Automaton has 26903 states and 38543 transitions. Word has length 1188 [2021-11-25 19:04:15,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:15,422 INFO L470 AbstractCegarLoop]: Abstraction has 26903 states and 38543 transitions. [2021-11-25 19:04:15,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 2 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2021-11-25 19:04:15,423 INFO L276 IsEmpty]: Start isEmpty. Operand 26903 states and 38543 transitions. [2021-11-25 19:04:15,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1229 [2021-11-25 19:04:15,465 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:15,466 INFO L514 BasicCegarLoop]: trace histogram [62, 47, 31, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:15,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 19:04:15,466 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:04:15,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:15,467 INFO L85 PathProgramCache]: Analyzing trace with hash -358457457, now seen corresponding path program 1 times [2021-11-25 19:04:15,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:15,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015582927] [2021-11-25 19:04:15,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:15,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:16,530 INFO L134 CoverageAnalysis]: Checked inductivity of 11087 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11086 trivial. 0 not checked. [2021-11-25 19:04:16,531 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:16,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015582927] [2021-11-25 19:04:16,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015582927] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:16,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:16,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:04:16,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672038823] [2021-11-25 19:04:16,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:16,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:04:16,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:16,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:04:16,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:04:16,536 INFO L87 Difference]: Start difference. First operand 26903 states and 38543 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 2 states have call successors, (115), 2 states have call predecessors, (115), 2 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) [2021-11-25 19:04:19,956 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:22,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:22,192 INFO L93 Difference]: Finished difference Result 53497 states and 76735 transitions. [2021-11-25 19:04:22,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:04:22,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 2 states have call successors, (115), 2 states have call predecessors, (115), 2 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) Word has length 1228 [2021-11-25 19:04:22,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:22,316 INFO L225 Difference]: With dead ends: 53497 [2021-11-25 19:04:22,317 INFO L226 Difference]: Without dead ends: 27003 [2021-11-25 19:04:22,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:04:22,403 INFO L933 BasicCegarLoop]: 2003 mSDtfsCounter, 2 mSDsluCounter, 2217 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4003 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:22,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 4003 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-25 19:04:22,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27003 states. [2021-11-25 19:04:23,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27003 to 26923. [2021-11-25 19:04:23,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26923 states, 15866 states have (on average 1.327492751796294) internal successors, (21062), 16501 states have internal predecessors, (21062), 8752 states have call successors, (8752), 2314 states have call predecessors, (8752), 2304 states have return successors, (8749), 8504 states have call predecessors, (8749), 8749 states have call successors, (8749) [2021-11-25 19:04:23,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26923 states to 26923 states and 38563 transitions. [2021-11-25 19:04:23,674 INFO L78 Accepts]: Start accepts. Automaton has 26923 states and 38563 transitions. Word has length 1228 [2021-11-25 19:04:23,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:23,675 INFO L470 AbstractCegarLoop]: Abstraction has 26923 states and 38563 transitions. [2021-11-25 19:04:23,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 2 states have call successors, (115), 2 states have call predecessors, (115), 2 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) [2021-11-25 19:04:23,676 INFO L276 IsEmpty]: Start isEmpty. Operand 26923 states and 38563 transitions. [2021-11-25 19:04:23,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1270 [2021-11-25 19:04:23,726 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:23,727 INFO L514 BasicCegarLoop]: trace histogram [66, 49, 33, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:23,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 19:04:23,727 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:04:23,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:23,728 INFO L85 PathProgramCache]: Analyzing trace with hash -736640058, now seen corresponding path program 1 times [2021-11-25 19:04:23,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:23,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142399939] [2021-11-25 19:04:23,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:23,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:24,672 INFO L134 CoverageAnalysis]: Checked inductivity of 12262 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12260 trivial. 0 not checked. [2021-11-25 19:04:24,672 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:24,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142399939] [2021-11-25 19:04:24,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142399939] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:04:24,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919896492] [2021-11-25 19:04:24,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:24,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:04:24,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:04:24,674 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:04:24,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:04:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:26,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 9064 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:04:26,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:04:28,560 INFO L134 CoverageAnalysis]: Checked inductivity of 12262 backedges. 597 proven. 1 refuted. 0 times theorem prover too weak. 11664 trivial. 0 not checked. [2021-11-25 19:04:28,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:04:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 12262 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12260 trivial. 0 not checked. [2021-11-25 19:04:31,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919896492] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:04:31,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [611195487] [2021-11-25 19:04:31,870 INFO L159 IcfgInterpreter]: Started Sifa with 343 locations of interest [2021-11-25 19:04:31,870 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:04:31,878 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:04:31,884 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:04:31,884 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:04:39,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:04:39,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:04:39,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:04:39,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:04:39,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:04:39,118 INFO L244 Elim1Store]: Index analysis took 644 ms [2021-11-25 19:05:05,054 WARN L227 SmtUtils]: Spent 25.89s on a formula simplification. DAG size of input: 1666 DAG size of output: 749 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:05:05,058 INFO L354 Elim1Store]: treesize reduction 6420, result has 19.4 percent of original size [2021-11-25 19:05:05,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 78 select indices, 78 select index equivalence classes, 3013 disjoint index pairs (out of 3003 index pairs), introduced 78 new quantified variables, introduced 81 case distinctions, treesize of input 409 treesize of output 1786 [2021-11-25 19:05:07,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:08,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:09,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:09,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:09,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:09,774 INFO L244 Elim1Store]: Index analysis took 2907 ms [2021-11-25 19:06:05,443 WARN L227 SmtUtils]: Spent 55.64s on a formula simplification. DAG size of input: 2462 DAG size of output: 1094 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:06:05,446 INFO L354 Elim1Store]: treesize reduction 9176, result has 17.5 percent of original size [2021-11-25 19:06:05,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 84 select indices, 84 select index equivalence classes, 3091 disjoint index pairs (out of 3486 index pairs), introduced 84 new quantified variables, introduced 480 case distinctions, treesize of input 479 treesize of output 2253 [2021-11-25 19:06:07,126 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 71 [2021-11-25 19:06:07,226 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 71 [2021-11-25 19:06:07,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-25 19:06:07,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 19:06:07,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-25 19:06:07,715 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 71 [2021-11-25 19:06:08,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:08,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:08,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:09,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:09,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:09,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:09,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:10,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:10,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:10,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:10,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:10,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:11,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:11,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:11,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:11,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:11,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:11,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:12,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:12,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:12,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:12,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:12,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:12,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:14,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:14,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:14,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:14,924 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:14,926 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:14,933 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:16,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:16,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:16,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:16,190 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:16,193 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:16,196 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:18,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:18,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:18,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:18,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:18,417 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:18,420 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:19,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:19,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:19,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:19,851 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:19,855 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:19,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:22,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:22,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:22,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:22,456 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:22,458 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:22,461 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:23,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:23,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:24,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:24,046 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:24,052 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:24,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:26,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:26,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:26,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:26,260 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:26,263 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:26,266 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:27,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:27,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:27,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:28,017 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:28,021 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:28,023 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:06:28,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:28,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:29,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:29,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:29,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:06:29,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:06:41,281 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 71 [2021-11-25 19:06:41,620 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 71 [2021-11-25 19:06:41,729 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 384 for LOIs [2021-11-25 19:06:42,974 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 256 for LOIs [2021-11-25 19:06:43,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-25 19:06:44,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 19:06:45,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-25 19:06:45,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:06:45,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2021-11-25 19:06:46,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 19:06:46,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:06:46,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 1 [2021-11-25 19:06:48,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 19:06:48,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:06:48,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 1 [2021-11-25 19:06:48,269 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 245 for LOIs [2021-11-25 19:06:48,378 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 384 for LOIs [2021-11-25 19:06:48,785 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 263 for LOIs [2021-11-25 19:06:48,906 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:07:34,827 WARN L227 SmtUtils]: Spent 5.30s on a formula simplification. DAG size of input: 379 DAG size of output: 344 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 19:07:45,124 WARN L227 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 400 DAG size of output: 367 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 19:07:55,541 WARN L227 SmtUtils]: Spent 6.70s on a formula simplification. DAG size of input: 420 DAG size of output: 383 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 19:08:06,928 WARN L227 SmtUtils]: Spent 6.47s on a formula simplification. DAG size of input: 446 DAG size of output: 386 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 19:08:29,010 WARN L227 SmtUtils]: Spent 7.25s on a formula simplification. DAG size of input: 481 DAG size of output: 417 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 19:08:35,131 WARN L227 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 483 DAG size of output: 432 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 19:08:45,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [611195487] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:45,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-25 19:08:45,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [4, 4, 4] total 42 [2021-11-25 19:08:45,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079483753] [2021-11-25 19:08:45,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:45,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-25 19:08:45,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:45,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-25 19:08:45,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1596, Unknown=0, NotChecked=0, Total=1722 [2021-11-25 19:08:45,138 INFO L87 Difference]: Start difference. First operand 26923 states and 38563 transitions. Second operand has 37 states, 20 states have (on average 9.5) internal successors, (190), 19 states have internal predecessors, (190), 15 states have call successors, (117), 6 states have call predecessors, (117), 4 states have return successors, (113), 13 states have call predecessors, (113), 15 states have call successors, (113) [2021-11-25 19:09:02,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:09:04,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:09:05,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:09:06,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:09:13,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:09:15,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:09:24,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:09:25,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:09:27,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:09:43,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:43,448 INFO L93 Difference]: Finished difference Result 53818 states and 77092 transitions. [2021-11-25 19:09:43,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-25 19:09:43,449 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 20 states have (on average 9.5) internal successors, (190), 19 states have internal predecessors, (190), 15 states have call successors, (117), 6 states have call predecessors, (117), 4 states have return successors, (113), 13 states have call predecessors, (113), 15 states have call successors, (113) Word has length 1269 [2021-11-25 19:09:43,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:43,579 INFO L225 Difference]: With dead ends: 53818 [2021-11-25 19:09:43,579 INFO L226 Difference]: Without dead ends: 26927 [2021-11-25 19:09:43,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3810 GetRequests, 3764 SyntacticMatches, 5 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 505 ImplicationChecksByTransitivity, 118.1s TimeCoverageRelationStatistics Valid=132, Invalid=1674, Unknown=0, NotChecked=0, Total=1806 [2021-11-25 19:09:43,705 INFO L933 BasicCegarLoop]: 1982 mSDtfsCounter, 13 mSDsluCounter, 20975 mSDsCounter, 0 mSdLazyCounter, 6721 mSolverCounterSat, 22 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 21581 SdHoareTripleChecker+Invalid, 12208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 6721 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 5462 IncrementalHoareTripleChecker+Unchecked, 55.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:43,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 21581 Invalid, 12208 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [22 Valid, 6721 Invalid, 3 Unknown, 5462 Unchecked, 55.2s Time] [2021-11-25 19:09:43,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26927 states. [2021-11-25 19:09:44,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26927 to 26927. [2021-11-25 19:09:44,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26927 states, 15869 states have (on average 1.3274308400025205) internal successors, (21065), 16503 states have internal predecessors, (21065), 8753 states have call successors, (8753), 2316 states have call predecessors, (8753), 2304 states have return successors, (8750), 8504 states have call predecessors, (8750), 8750 states have call successors, (8750) [2021-11-25 19:09:44,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26927 states to 26927 states and 38568 transitions. [2021-11-25 19:09:44,901 INFO L78 Accepts]: Start accepts. Automaton has 26927 states and 38568 transitions. Word has length 1269 [2021-11-25 19:09:44,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:44,902 INFO L470 AbstractCegarLoop]: Abstraction has 26927 states and 38568 transitions. [2021-11-25 19:09:44,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 20 states have (on average 9.5) internal successors, (190), 19 states have internal predecessors, (190), 15 states have call successors, (117), 6 states have call predecessors, (117), 4 states have return successors, (113), 13 states have call predecessors, (113), 15 states have call successors, (113) [2021-11-25 19:09:44,902 INFO L276 IsEmpty]: Start isEmpty. Operand 26927 states and 38568 transitions. [2021-11-25 19:09:44,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1271 [2021-11-25 19:09:44,931 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:44,932 INFO L514 BasicCegarLoop]: trace histogram [66, 49, 33, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:44,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 19:09:45,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-25 19:09:45,138 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:09:45,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:45,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1366509968, now seen corresponding path program 1 times [2021-11-25 19:09:45,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:45,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666720631] [2021-11-25 19:09:45,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:45,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:45,964 INFO L134 CoverageAnalysis]: Checked inductivity of 12267 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12265 trivial. 0 not checked. [2021-11-25 19:09:45,964 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:45,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666720631] [2021-11-25 19:09:45,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666720631] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:09:45,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262703704] [2021-11-25 19:09:45,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:45,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:09:45,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:09:45,970 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:09:45,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154076-1cf2-43d0-ae53-94878e64740b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:09:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:47,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 9079 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:09:47,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:09:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 12267 backedges. 597 proven. 1 refuted. 0 times theorem prover too weak. 11669 trivial. 0 not checked. [2021-11-25 19:09:49,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:09:52,527 INFO L134 CoverageAnalysis]: Checked inductivity of 12267 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12265 trivial. 0 not checked. [2021-11-25 19:09:52,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262703704] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:09:52,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1272208374] [2021-11-25 19:09:52,549 INFO L159 IcfgInterpreter]: Started Sifa with 343 locations of interest [2021-11-25 19:09:52,549 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:09:52,551 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:09:52,551 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:09:52,551 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:09:58,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:58,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:58,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:58,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:58,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:09:58,762 INFO L244 Elim1Store]: Index analysis took 472 ms [2021-11-25 19:10:25,100 WARN L227 SmtUtils]: Spent 26.32s on a formula simplification. DAG size of input: 1666 DAG size of output: 749 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:10:25,102 INFO L354 Elim1Store]: treesize reduction 6420, result has 19.4 percent of original size [2021-11-25 19:10:25,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 78 select indices, 78 select index equivalence classes, 3013 disjoint index pairs (out of 3003 index pairs), introduced 78 new quantified variables, introduced 81 case distinctions, treesize of input 409 treesize of output 1786 [2021-11-25 19:10:27,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:10:28,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:10:28,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:10:29,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:10:29,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:10:29,288 INFO L244 Elim1Store]: Index analysis took 2772 ms [2021-11-25 19:11:24,354 WARN L227 SmtUtils]: Spent 55.04s on a formula simplification. DAG size of input: 2462 DAG size of output: 1094 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:11:24,356 INFO L354 Elim1Store]: treesize reduction 9176, result has 17.5 percent of original size [2021-11-25 19:11:24,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 84 select indices, 84 select index equivalence classes, 3091 disjoint index pairs (out of 3486 index pairs), introduced 84 new quantified variables, introduced 480 case distinctions, treesize of input 479 treesize of output 2253 [2021-11-25 19:11:26,152 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 71 [2021-11-25 19:11:26,226 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 71 [2021-11-25 19:11:26,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-25 19:11:26,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 19:11:26,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-25 19:11:26,536 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 71 [2021-11-25 19:11:27,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:27,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:27,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:27,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:27,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:27,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:28,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:28,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:28,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:28,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:28,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:28,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:29,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:29,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:29,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:29,930 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:11:29,932 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:11:29,938 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:11:30,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:30,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:30,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:30,733 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:11:30,736 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:11:30,738 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:11:32,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:32,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:32,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:32,217 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:11:32,223 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:11:32,225 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:11:33,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:33,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:33,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:33,218 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:11:33,221 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:11:33,224 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:11:33,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:34,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:34,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:34,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:34,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:34,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:35,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:35,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:35,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:35,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:35,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:35,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:36,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:36,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:36,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:37,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:37,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:37,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:38,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:38,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:38,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:38,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:38,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:38,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:39,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:39,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:39,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:40,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:40,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:40,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:41,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 19:11:41,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 19:11:41,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 19:11:41,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 19:11:41,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:11:41,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 19:11:41,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 19:11:41,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 19:11:41,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 19:11:41,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:42,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:49,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:50,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:50,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:50,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:52,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:52,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:52,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:53,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:11:53,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:11:53,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:12:04,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:12:04,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:12:04,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:12:04,788 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:04,791 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:04,794 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:13,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:12:13,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:12:13,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:12:13,534 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:13,543 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:13,544 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:25,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:12:25,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:12:25,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:12:25,230 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:25,239 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:25,241 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:34,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:12:34,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:12:34,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:12:34,871 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:34,877 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:34,894 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:47,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:12:47,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:12:47,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:12:47,359 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:47,367 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:47,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:57,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:12:57,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:12:57,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:12:58,062 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:58,081 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:58,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:12:59,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:12:59,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:12:59,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:13:00,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:13:00,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:13:00,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:13:02,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:13:02,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:13:02,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:13:03,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:13:03,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:13:03,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:13:17,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:13:18,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:13:18,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:13:18,220 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:13:18,222 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:13:18,237 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:13:30,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:13:30,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 19:13:30,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 19:13:30,885 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:13:30,890 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:13:30,898 WARN L234 Elim1Store]: Array PQE input equivalent to false