./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/sll2c_insert_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/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_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/sll2c_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7b415e0519ab150e9247d3d9d0133f92cfd07c34f9918f9ebd19cf8109bf4e7 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:45:13,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:45:13,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:45:13,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:45:13,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:45:13,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:45:13,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:45:13,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:45:13,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:45:13,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:45:13,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:45:13,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:45:13,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:45:13,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:45:13,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:45:13,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:45:13,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:45:13,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:45:13,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:45:13,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:45:13,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:45:13,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:45:13,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:45:13,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:45:13,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:45:13,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:45:13,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:45:13,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:45:13,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:45:13,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:45:13,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:45:13,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:45:13,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:45:13,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:45:13,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:45:13,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:45:13,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:45:13,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:45:13,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:45:13,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:45:13,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:45:13,151 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:45:13,192 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:45:13,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:45:13,195 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:45:13,196 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:45:13,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:45:13,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:45:13,197 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:45:13,197 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:45:13,197 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:45:13,198 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:45:13,199 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:45:13,199 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:45:13,199 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:45:13,199 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:45:13,199 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:45:13,200 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:45:13,200 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:45:13,200 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:45:13,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:45:13,201 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:45:13,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:45:13,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:45:13,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:45:13,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:45:13,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:45:13,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:45:13,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:45:13,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:45:13,204 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:45:13,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:45:13,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:45:13,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:45:13,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:45:13,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:45:13,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:45:13,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:45:13,206 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:45:13,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:45:13,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:45:13,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:45:13,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:45:13,207 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_8b7f59eb-b659-48af-8df0-e0acb7545f8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b415e0519ab150e9247d3d9d0133f92cfd07c34f9918f9ebd19cf8109bf4e7 [2021-11-25 18:45:13,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:45:13,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:45:13,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:45:13,484 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:45:13,484 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:45:13,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/list-simple/sll2c_insert_unequal.i [2021-11-25 18:45:13,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/data/797f435ff/c779f5bea3044da9b452d6edccc60829/FLAGd9a91575b [2021-11-25 18:45:14,079 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:45:14,081 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/sv-benchmarks/c/list-simple/sll2c_insert_unequal.i [2021-11-25 18:45:14,102 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/data/797f435ff/c779f5bea3044da9b452d6edccc60829/FLAGd9a91575b [2021-11-25 18:45:14,401 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/data/797f435ff/c779f5bea3044da9b452d6edccc60829 [2021-11-25 18:45:14,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:45:14,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:45:14,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:45:14,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:45:14,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:45:14,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:45:14" (1/1) ... [2021-11-25 18:45:14,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7275d873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:45:14, skipping insertion in model container [2021-11-25 18:45:14,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:45:14" (1/1) ... [2021-11-25 18:45:14,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:45:14,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:45:14,904 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_8b7f59eb-b659-48af-8df0-e0acb7545f8c/sv-benchmarks/c/list-simple/sll2c_insert_unequal.i[24872,24885] [2021-11-25 18:45:14,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:45:14,928 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:45:14,984 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_8b7f59eb-b659-48af-8df0-e0acb7545f8c/sv-benchmarks/c/list-simple/sll2c_insert_unequal.i[24872,24885] [2021-11-25 18:45:14,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:45:15,014 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:45:15,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:45:15 WrapperNode [2021-11-25 18:45:15,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:45:15,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:45:15,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:45:15,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:45:15,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:45:15" (1/1) ... [2021-11-25 18:45:15,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:45:15" (1/1) ... [2021-11-25 18:45:15,067 INFO L137 Inliner]: procedures = 127, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 172 [2021-11-25 18:45:15,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:45:15,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:45:15,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:45:15,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:45:15,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:45:15" (1/1) ... [2021-11-25 18:45:15,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:45:15" (1/1) ... [2021-11-25 18:45:15,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:45:15" (1/1) ... [2021-11-25 18:45:15,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:45:15" (1/1) ... [2021-11-25 18:45:15,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:45:15" (1/1) ... [2021-11-25 18:45:15,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:45:15" (1/1) ... [2021-11-25 18:45:15,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:45:15" (1/1) ... [2021-11-25 18:45:15,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:45:15,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:45:15,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:45:15,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:45:15,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:45:15" (1/1) ... [2021-11-25 18:45:15,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:45:15,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:45:15,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:45:15,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:45:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:45:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:45:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-11-25 18:45:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-11-25 18:45:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:45:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:45:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:45:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:45:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:45:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:45:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:45:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:45:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:45:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:45:15,392 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:45:15,394 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:45:15,658 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:45:15,716 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:45:15,716 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-25 18:45:15,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:45:15 BoogieIcfgContainer [2021-11-25 18:45:15,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:45:15,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:45:15,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:45:15,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:45:15,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:45:14" (1/3) ... [2021-11-25 18:45:15,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a2900f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:45:15, skipping insertion in model container [2021-11-25 18:45:15,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:45:15" (2/3) ... [2021-11-25 18:45:15,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a2900f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:45:15, skipping insertion in model container [2021-11-25 18:45:15,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:45:15" (3/3) ... [2021-11-25 18:45:15,727 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2c_insert_unequal.i [2021-11-25 18:45:15,732 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:45:15,732 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:45:15,781 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:45:15,788 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 18:45:15,788 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:45:15,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 23 states have (on average 1.608695652173913) internal successors, (37), 24 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:45:15,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 18:45:15,810 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:45:15,810 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:45:15,811 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:45:15,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:45:15,816 INFO L85 PathProgramCache]: Analyzing trace with hash -249418040, now seen corresponding path program 1 times [2021-11-25 18:45:15,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:45:15,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384972222] [2021-11-25 18:45:15,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:45:15,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:45:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:45:16,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:45:16,140 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:45:16,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384972222] [2021-11-25 18:45:16,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384972222] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:45:16,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:45:16,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:45:16,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864031369] [2021-11-25 18:45:16,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:45:16,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:45:16,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:45:16,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:45:16,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:45:16,187 INFO L87 Difference]: Start difference. First operand has 29 states, 23 states have (on average 1.608695652173913) internal successors, (37), 24 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:45:16,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:45:16,271 INFO L93 Difference]: Finished difference Result 55 states and 82 transitions. [2021-11-25 18:45:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:45:16,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2021-11-25 18:45:16,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:45:16,281 INFO L225 Difference]: With dead ends: 55 [2021-11-25 18:45:16,281 INFO L226 Difference]: Without dead ends: 26 [2021-11-25 18:45:16,284 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 18:45:16,288 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 1 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:45:16,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 59 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:45:16,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-25 18:45:16,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2021-11-25 18:45:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:45:16,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 32 transitions. [2021-11-25 18:45:16,326 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 32 transitions. Word has length 16 [2021-11-25 18:45:16,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:45:16,327 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 32 transitions. [2021-11-25 18:45:16,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:45:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2021-11-25 18:45:16,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 18:45:16,329 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:45:16,329 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:45:16,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:45:16,330 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:45:16,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:45:16,331 INFO L85 PathProgramCache]: Analyzing trace with hash -436693828, now seen corresponding path program 1 times [2021-11-25 18:45:16,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:45:16,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163771626] [2021-11-25 18:45:16,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:45:16,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:45:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:45:16,562 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 18:45:16,563 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:45:16,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163771626] [2021-11-25 18:45:16,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163771626] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:45:16,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:45:16,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:45:16,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218296149] [2021-11-25 18:45:16,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:45:16,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:45:16,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:45:16,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:45:16,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:45:16,567 INFO L87 Difference]: Start difference. First operand 24 states and 32 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:45:16,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:45:16,704 INFO L93 Difference]: Finished difference Result 36 states and 49 transitions. [2021-11-25 18:45:16,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:45:16,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2021-11-25 18:45:16,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:45:16,706 INFO L225 Difference]: With dead ends: 36 [2021-11-25 18:45:16,706 INFO L226 Difference]: Without dead ends: 25 [2021-11-25 18:45:16,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 18:45:16,708 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 19 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:45:16,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 48 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:45:16,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-25 18:45:16,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-25 18:45:16,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:45:16,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2021-11-25 18:45:16,716 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 33 transitions. Word has length 22 [2021-11-25 18:45:16,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:45:16,716 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-11-25 18:45:16,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:45:16,717 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2021-11-25 18:45:16,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 18:45:16,718 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:45:16,718 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:45:16,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:45:16,719 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:45:16,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:45:16,719 INFO L85 PathProgramCache]: Analyzing trace with hash -764953388, now seen corresponding path program 1 times [2021-11-25 18:45:16,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:45:16,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338568577] [2021-11-25 18:45:16,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:45:16,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:45:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:45:18,177 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:45:18,177 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:45:18,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338568577] [2021-11-25 18:45:18,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338568577] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:45:18,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570161437] [2021-11-25 18:45:18,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:45:18,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:45:18,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:45:18,183 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:45:18,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:45:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:45:19,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 132 conjunts are in the unsatisfiable core [2021-11-25 18:45:19,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:45:19,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-25 18:45:19,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:45:19,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:19,395 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 14 [2021-11-25 18:45:19,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:19,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:45:19,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:45:19,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:19,838 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:45:19,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-11-25 18:45:20,005 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-11-25 18:45:20,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-11-25 18:45:20,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-11-25 18:45:20,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2021-11-25 18:45:20,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2021-11-25 18:45:20,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:20,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-25 18:45:20,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:20,589 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 57 treesize of output 51 [2021-11-25 18:45:20,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:20,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-11-25 18:45:20,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:20,617 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 24 treesize of output 26 [2021-11-25 18:45:20,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:20,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:20,641 INFO L354 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2021-11-25 18:45:20,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 25 [2021-11-25 18:45:21,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:21,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 71 [2021-11-25 18:45:21,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:21,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-25 18:45:21,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:21,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:21,191 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 21 treesize of output 13 [2021-11-25 18:45:21,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2021-11-25 18:45:21,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-11-25 18:45:21,309 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 19 treesize of output 7 [2021-11-25 18:45:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 18:45:21,366 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:45:22,169 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (= |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| 0)) (.cse2 (= |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| 0))) (and (or (let ((.cse0 (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) 0)) (.cse1 (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) 0))) (and (or (forall ((v_ArrVal_458 (Array Int Int)) (v_ArrVal_471 (Array Int Int)) (v_ArrVal_463 (Array Int Int)) (v_ArrVal_452 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (v_ArrVal_465 (Array Int Int)) (v_ArrVal_454 (Array Int Int)) (v_ArrVal_476 (Array Int Int)) (|ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| Int) (v_ArrVal_464 (Array Int Int)) (v_ArrVal_478 (Array Int Int))) (= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_463) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_458) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_471) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_452) (select (select (store (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_478) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_473) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_465) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_454) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_464) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_476) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)) |c_ULTIMATE.start_main_~data~0#1|)) (and .cse0 .cse1)) (or (not .cse0) (not .cse1) (forall ((v_ArrVal_479 (Array Int Int)) (v_ArrVal_461 (Array Int Int)) (v_ArrVal_472 (Array Int Int)) (v_ArrVal_452 (Array Int Int)) (v_ArrVal_465 (Array Int Int)) (v_ArrVal_476 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_461) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_452) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_479) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_465) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_472) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_476) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)) |c_ULTIMATE.start_main_~data~0#1|))))) (not .cse2) (not .cse3)) (or (and .cse3 .cse2) (forall ((v_ArrVal_477 Int) (v_ArrVal_457 (Array Int Int)) (v_ArrVal_451 (Array Int Int)) (v_ArrVal_456 (Array Int Int)) (v_ArrVal_467 (Array Int Int)) (v_ArrVal_466 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base|) |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| v_ArrVal_477)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_451) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| v_ArrVal_466) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_456) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| v_ArrVal_467) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_457) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)) |c_ULTIMATE.start_main_~data~0#1|))))) is different from false [2021-11-25 18:45:22,353 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| Int)) (or (let ((.cse3 (= |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| 0)) (.cse0 (= |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base| 0))) (and (or (not .cse0) (let ((.cse1 (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) 0)) (.cse2 (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) 0))) (and (or (forall ((v_ArrVal_458 (Array Int Int)) (v_ArrVal_471 (Array Int Int)) (v_ArrVal_463 (Array Int Int)) (v_ArrVal_452 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (v_ArrVal_465 (Array Int Int)) (v_ArrVal_454 (Array Int Int)) (v_ArrVal_476 (Array Int Int)) (|ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| Int) (v_ArrVal_464 (Array Int Int)) (v_ArrVal_478 (Array Int Int))) (= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_463) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_458) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_471) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_452) (select (select (store (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_478) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_473) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_465) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_454) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_464) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_476) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)) |c_ULTIMATE.start_main_~data~0#1|)) (and .cse1 .cse2)) (or (not .cse1) (not .cse2) (forall ((v_ArrVal_479 (Array Int Int)) (v_ArrVal_461 (Array Int Int)) (v_ArrVal_472 (Array Int Int)) (v_ArrVal_452 (Array Int Int)) (v_ArrVal_465 (Array Int Int)) (v_ArrVal_476 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_461) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_452) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_479) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_465) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_472) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_476) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)) |c_ULTIMATE.start_main_~data~0#1|))))) (not .cse3)) (or (forall ((v_ArrVal_477 Int) (v_ArrVal_457 (Array Int Int)) (v_ArrVal_451 (Array Int Int)) (v_ArrVal_456 (Array Int Int)) (v_ArrVal_467 (Array Int Int)) (v_ArrVal_466 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base|) |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| v_ArrVal_477)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_451) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base| v_ArrVal_466) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_456) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base| v_ArrVal_467) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_457) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)) |c_ULTIMATE.start_main_~data~0#1|)) (and .cse3 .cse0)))) (< |c_ULTIMATE.start_sll_circular_insert_~last~1#1.offset| |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18|))) is different from false [2021-11-25 18:45:22,535 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| Int)) (let ((.cse4 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (or (let ((.cse2 (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) 0)) (.cse1 (= |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| 0))) (and (or (forall ((v_ArrVal_477 Int) (v_ArrVal_457 (Array Int Int)) (v_ArrVal_451 (Array Int Int)) (v_ArrVal_456 (Array Int Int)) (v_ArrVal_467 (Array Int Int)) (v_ArrVal_466 (Array Int Int))) (= (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (select (select (store (store |c_#memory_int| .cse0 (store (select |c_#memory_int| .cse0) |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| v_ArrVal_477)) |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_451) (select (select (store (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_466) |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_456) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_467) |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_457) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) |c_ULTIMATE.start_main_~data~0#1|)) (and .cse1 .cse2)) (or (not .cse2) (not .cse1) (let ((.cse3 (= .cse4 0))) (and (or (forall ((v_ArrVal_458 (Array Int Int)) (v_ArrVal_471 (Array Int Int)) (v_ArrVal_463 (Array Int Int)) (v_ArrVal_452 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (v_ArrVal_465 (Array Int Int)) (v_ArrVal_454 (Array Int Int)) (v_ArrVal_476 (Array Int Int)) (|ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| Int) (v_ArrVal_464 (Array Int Int)) (v_ArrVal_478 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_463) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_458) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_471) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_452) (select (select (store (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base|) |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_478) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_473) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_465) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base|) |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_454) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_464) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_476) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))) .cse3) (or (not .cse3) (forall ((v_ArrVal_479 (Array Int Int)) (v_ArrVal_461 (Array Int Int)) (v_ArrVal_472 (Array Int Int)) (v_ArrVal_452 (Array Int Int)) (v_ArrVal_465 (Array Int Int)) (v_ArrVal_476 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_461) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_452) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_479) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_465) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_472) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_476) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))))))))) (< .cse4 |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18|)))) is different from false [2021-11-25 18:45:25,075 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_492 (Array Int Int)) (|v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| Int) (|v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| Int)) (or (and (or (forall ((v_ArrVal_491 (Array Int Int))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_491) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) 0)) (let ((.cse0 (= (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_492) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) 0))) (and (or (not .cse0) (forall ((v_ArrVal_479 (Array Int Int)) (v_ArrVal_461 (Array Int Int)) (v_ArrVal_472 (Array Int Int)) (v_ArrVal_452 (Array Int Int)) (v_ArrVal_465 (Array Int Int)) (v_ArrVal_476 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_461) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_452) (select (select (store (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_479) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_465) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_472) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_476) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))))) (or (forall ((v_ArrVal_458 (Array Int Int)) (v_ArrVal_471 (Array Int Int)) (v_ArrVal_463 (Array Int Int)) (v_ArrVal_452 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (v_ArrVal_465 (Array Int Int)) (v_ArrVal_454 (Array Int Int)) (v_ArrVal_476 (Array Int Int)) (|ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| Int) (v_ArrVal_464 (Array Int Int)) (v_ArrVal_478 (Array Int Int))) (= (select (select (store (store (store |c_#memory_int| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_463) (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_458) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_471) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_452) (select (select (store (store (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| (store v_ArrVal_491 |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_491) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_478) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_473) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_465) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| (store v_ArrVal_492 |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_492) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_454) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_464) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_476) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)) |c_ULTIMATE.start_main_~data~0#1|)) .cse0))))) (not (= |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| 0))) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_491 (Array Int Int))) (or (forall ((v_ArrVal_477 Int) (v_ArrVal_457 (Array Int Int)) (v_ArrVal_451 (Array Int Int)) (v_ArrVal_456 (Array Int Int)) (v_ArrVal_467 (Array Int Int)) (v_ArrVal_466 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse3 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_491))) (let ((.cse2 (select (select .cse3 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (select (select (store (let ((.cse1 (store |c_#memory_int| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_490))) (store .cse1 .cse2 (store (select .cse1 .cse2) |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| v_ArrVal_477))) |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_451) (select (select (store (store .cse3 .cse2 v_ArrVal_466) |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_456) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_492) .cse2 v_ArrVal_467) |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_457) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))))) (and (= |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| 0) (= (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_491) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) 0))))) (< (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13| v_ArrVal_492) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18|) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13|) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_13|) 0)))) is different from false [2021-11-25 18:45:25,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570161437] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:45:25,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [619601954] [2021-11-25 18:45:25,103 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2021-11-25 18:45:25,104 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:45:25,108 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:45:25,114 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:45:25,114 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:45:25,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:25,188 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:45:25,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 18:45:25,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:25,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 18:45:25,240 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 18:45:25,245 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 18:45:25,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:25,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2021-11-25 18:45:25,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:25,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:45:25,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:25,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:45:25,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:25,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-25 18:45:25,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:25,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-25 18:45:25,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:25,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-25 18:45:25,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:25,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-25 18:45:25,475 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 18:45:25,484 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 7 treesize of output 3 [2021-11-25 18:45:25,493 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 7 treesize of output 3 [2021-11-25 18:45:25,502 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 18:45:25,515 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 7 treesize of output 3 [2021-11-25 18:45:25,558 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 18:45:25,566 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 7 treesize of output 3 [2021-11-25 18:45:25,580 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 7 treesize of output 3 [2021-11-25 18:45:25,594 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 7 treesize of output 3 [2021-11-25 18:45:25,605 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 18:45:25,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:25,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 11 [2021-11-25 18:45:25,670 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 19 treesize of output 11 [2021-11-25 18:45:25,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 11 [2021-11-25 18:45:26,020 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,023 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,028 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,030 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,037 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,048 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 18:45:26,055 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 7 treesize of output 3 [2021-11-25 18:45:26,064 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 7 treesize of output 3 [2021-11-25 18:45:26,074 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 18:45:26,083 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 7 treesize of output 3 [2021-11-25 18:45:26,349 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,351 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,354 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,360 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,362 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,373 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 18:45:26,381 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 7 treesize of output 3 [2021-11-25 18:45:26,390 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 7 treesize of output 3 [2021-11-25 18:45:26,398 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 18:45:26,409 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 7 treesize of output 3 [2021-11-25 18:45:26,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:26,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 11 [2021-11-25 18:45:26,471 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 19 treesize of output 11 [2021-11-25 18:45:26,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 11 [2021-11-25 18:45:26,916 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,922 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,924 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,927 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,937 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 7 treesize of output 3 [2021-11-25 18:45:26,947 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 7 treesize of output 3 [2021-11-25 18:45:26,957 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 18:45:26,966 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 7 treesize of output 3 [2021-11-25 18:45:26,975 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 18:45:27,191 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 7 treesize of output 3 [2021-11-25 18:45:27,200 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 7 treesize of output 3 [2021-11-25 18:45:27,211 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 18:45:27,221 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 7 treesize of output 3 [2021-11-25 18:45:27,232 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 18:45:27,243 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:27,245 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:27,246 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:27,249 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:27,251 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:27,331 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-25 18:45:27,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 19 treesize of output 18 [2021-11-25 18:45:27,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-25 18:45:27,370 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-25 18:45:27,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 19 treesize of output 18 [2021-11-25 18:45:27,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:27,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:27,474 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-25 18:45:27,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2021-11-25 18:45:27,487 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 7 treesize of output 3 [2021-11-25 18:45:27,498 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 18:45:27,511 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 18:45:27,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:27,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:27,538 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-25 18:45:27,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2021-11-25 18:45:27,616 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 18:45:27,628 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 7 treesize of output 3 [2021-11-25 18:45:27,639 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 18:45:27,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:27,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:27,659 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-25 18:45:27,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2021-11-25 18:45:27,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:27,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:27,708 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-25 18:45:27,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2021-11-25 18:45:28,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:28,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:28,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:29,551 INFO L354 Elim1Store]: treesize reduction 441, result has 18.9 percent of original size [2021-11-25 18:45:29,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 851 treesize of output 863 [2021-11-25 18:45:29,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:29,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:29,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:29,865 INFO L354 Elim1Store]: treesize reduction 398, result has 11.4 percent of original size [2021-11-25 18:45:29,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 753 treesize of output 707 [2021-11-25 18:45:29,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:29,978 INFO L354 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2021-11-25 18:45:29,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 627 treesize of output 645 [2021-11-25 18:45:30,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:45:30,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:45:30,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:45:30,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:30,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:30,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 233 treesize of output 238 [2021-11-25 18:45:30,680 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:30,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:30,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-11-25 18:45:30,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:30,778 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-25 18:45:30,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 18 [2021-11-25 18:45:30,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 492 treesize of output 476 [2021-11-25 18:45:31,064 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:31,123 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:31,221 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:31,284 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:31,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:31,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:31,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 14 [2021-11-25 18:45:31,578 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:31,687 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:31,752 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:32,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:32,115 INFO L354 Elim1Store]: treesize reduction 25, result has 39.0 percent of original size [2021-11-25 18:45:32,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1148 treesize of output 1055 [2021-11-25 18:45:32,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:32,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:32,468 INFO L354 Elim1Store]: treesize reduction 52, result has 40.2 percent of original size [2021-11-25 18:45:32,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 1109 treesize of output 1042 [2021-11-25 18:45:33,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:33,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2021-11-25 18:45:33,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:33,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:33,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:45:33,651 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:33,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:33,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2021-11-25 18:45:33,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:33,888 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-25 18:45:33,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2021-11-25 18:45:33,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:33,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:33,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:33,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-11-25 18:45:34,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:34,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:34,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-25 18:45:34,100 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:34,136 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:34,177 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:34,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:34,634 INFO L354 Elim1Store]: treesize reduction 176, result has 14.1 percent of original size [2021-11-25 18:45:34,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 1887 treesize of output 1834 [2021-11-25 18:45:34,741 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:34,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:34,777 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-25 18:45:34,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 455 treesize of output 439 [2021-11-25 18:45:34,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:34,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:34,930 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:45:34,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 10 [2021-11-25 18:45:34,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:34,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:34,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-25 18:45:35,023 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:35,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:35,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-25 18:45:35,619 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:35,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:35,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 31 treesize of output 19 [2021-11-25 18:45:35,744 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:35,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:35,791 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 11 treesize of output 7 [2021-11-25 18:45:35,829 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:35,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:35,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 192 [2021-11-25 18:45:35,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:35,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-11-25 18:45:36,005 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:36,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:36,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 15 [2021-11-25 18:45:36,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:36,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-11-25 18:45:37,045 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 13 for LOIs [2021-11-25 18:45:37,054 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 18:45:37,059 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 18:45:37,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:37,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:45:37,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:37,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:45:37,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:37,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2021-11-25 18:45:37,094 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:45:45,379 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '368#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) |ULTIMATE.start_main_~data~0#1|)) (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~count~0#1| 0) (or (and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_sll_circular_create_#in~data#1|) (= (+ |ULTIMATE.start_sll_circular_insert_~index#1| 1) |ULTIMATE.start_sll_circular_insert_#in~index#1|) (< |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| 0) (not (= |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| 0)) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (= |ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0) (< |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_sll_circular_insert_#in~head#1.offset|) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) (< |ULTIMATE.start_sll_circular_create_~last~0#1.base| |#StackHeapBarrier|) (not (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| 0)) (= (+ |ULTIMATE.start_sll_circular_create_~len#1| 1) |ULTIMATE.start_sll_circular_create_#in~len#1|) (= |ULTIMATE.start_sll_circular_insert_~head#1.base| |ULTIMATE.start_sll_circular_insert_#in~head#1.base|) (= |ULTIMATE.start_sll_circular_create_#in~data#1| |ULTIMATE.start_sll_circular_create_~data#1|) (= (select |#length| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) 8) (= |ULTIMATE.start_sll_circular_insert_#in~data#1| |ULTIMATE.start_sll_circular_insert_~data#1|) (not (= 2 |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~uneq~0#1| |ULTIMATE.start_sll_circular_insert_#in~data#1|) (or (not (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) (not (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| 0))) (< 0 |ULTIMATE.start_sll_circular_insert_#in~index#1|) (= |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_sll_circular_create_#in~len#1|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (or (and (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) 4) |ULTIMATE.start_sll_circular_insert_~data#1|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset|) |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base|) |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset|) |ULTIMATE.start_sll_circular_insert_~last~1#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base|) |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset|) |ULTIMATE.start_sll_circular_insert_~last~1#1.offset|) (= |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset|)) (= |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_insert_~head#1.base|) |ULTIMATE.start_sll_circular_insert_~head#1.offset|)) (= |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_insert_~head#1.base|) |ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (and (or (= (select (select |#memory_int| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) 4) |ULTIMATE.start_sll_circular_insert_~data#1|) (and (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| 4) (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))) (= |ULTIMATE.start_sll_circular_insert_~last~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset|)) (or (not (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| 0)) (not (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| 0))) (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_insert_~head#1.base|) |ULTIMATE.start_sll_circular_insert_~head#1.offset|)) (= |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base|) |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) 0) |ULTIMATE.start_sll_circular_insert_~last~1#1.base|) (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_insert_~head#1.base|) |ULTIMATE.start_sll_circular_insert_~head#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base|) |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset|) |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~len~0#1| 2) (not (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| 0)) (= |#NULL.offset| 0) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.offset| 0) (= |ULTIMATE.start_sll_circular_insert_#in~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_sll_circular_insert_~head#1.offset| |ULTIMATE.start_sll_circular_insert_#in~head#1.offset|) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~mid_index~0#1| |ULTIMATE.start_sll_circular_insert_#in~index#1|) (= |#NULL.base| 0)) (and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_sll_circular_create_#in~data#1|) (= (+ |ULTIMATE.start_sll_circular_insert_~index#1| 1) |ULTIMATE.start_sll_circular_insert_#in~index#1|) (< |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| 0) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) (or (not (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| 0)) (not (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| 0))) (= |ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) 4) |ULTIMATE.start_sll_circular_insert_~data#1|) (< |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_sll_circular_insert_#in~head#1.offset|) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) (= |ULTIMATE.start_sll_circular_insert_~last~1#1.base| 0) (< |ULTIMATE.start_sll_circular_create_~last~0#1.base| |#StackHeapBarrier|) (not (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| 0)) (= (+ |ULTIMATE.start_sll_circular_create_~len#1| 1) |ULTIMATE.start_sll_circular_create_#in~len#1|) (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_insert_~head#1.base|) |ULTIMATE.start_sll_circular_insert_~head#1.offset|)) (= |ULTIMATE.start_sll_circular_insert_~head#1.base| |ULTIMATE.start_sll_circular_insert_#in~head#1.base|) (= |ULTIMATE.start_sll_circular_create_#in~data#1| |ULTIMATE.start_sll_circular_create_~data#1|) (= (select |#length| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) 8) (= |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset|)) (= |ULTIMATE.start_sll_circular_insert_#in~data#1| |ULTIMATE.start_sll_circular_insert_~data#1|) (not (= 2 |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~uneq~0#1| |ULTIMATE.start_sll_circular_insert_#in~data#1|) (< 0 |ULTIMATE.start_sll_circular_insert_#in~index#1|) (= |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_sll_circular_create_#in~len#1|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~len~0#1| 2) (not (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| 0)) (= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) 0) |ULTIMATE.start_sll_circular_insert_~last~1#1.base|) (= |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_insert_~head#1.base|) |ULTIMATE.start_sll_circular_insert_~head#1.offset|)) (= |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| |ULTIMATE.start_sll_circular_insert_~last~1#1.offset|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.offset| 0) (= |ULTIMATE.start_sll_circular_insert_#in~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset|) (= |ULTIMATE.start_sll_circular_insert_~head#1.offset| |ULTIMATE.start_sll_circular_insert_#in~head#1.offset|) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~mid_index~0#1| |ULTIMATE.start_sll_circular_insert_#in~index#1|) (= |#NULL.base| 0)) (and (or (= (select (select |#memory_int| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) 4) |ULTIMATE.start_sll_circular_insert_~data#1|) (and (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| 4) (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_sll_circular_create_#in~data#1|) (= (+ |ULTIMATE.start_sll_circular_insert_~index#1| 1) |ULTIMATE.start_sll_circular_insert_#in~index#1|) (< |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_sll_circular_insert_~last~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset|)) (not (= |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| 0)) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| |ULTIMATE.start_sll_circular_insert_~head#1.base|) (= |ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_insert_~head#1.base|) |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset|)) (< |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_sll_circular_insert_#in~head#1.offset|) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) (< |ULTIMATE.start_sll_circular_create_~last~0#1.base| |#StackHeapBarrier|) (not (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| 0)) (= (+ |ULTIMATE.start_sll_circular_create_~len#1| 1) |ULTIMATE.start_sll_circular_create_#in~len#1|) (= |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_insert_~head#1.base|) |ULTIMATE.start_sll_circular_insert_~head#1.offset|)) (= |ULTIMATE.start_sll_circular_insert_~head#1.base| |ULTIMATE.start_sll_circular_insert_#in~head#1.base|) (= |ULTIMATE.start_sll_circular_create_#in~data#1| |ULTIMATE.start_sll_circular_create_~data#1|) (= (select |#length| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) 8) (= |ULTIMATE.start_sll_circular_insert_#in~data#1| |ULTIMATE.start_sll_circular_insert_~data#1|) (not (= 2 |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_insert_~head#1.base|) |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset|)) (= |ULTIMATE.start_main_~uneq~0#1| |ULTIMATE.start_sll_circular_insert_#in~data#1|) (= |ULTIMATE.start_sll_circular_insert_~last~1#1.base| |ULTIMATE.start_sll_circular_insert_~head#1.base|) (< 0 |ULTIMATE.start_sll_circular_insert_#in~index#1|) (= |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_sll_circular_create_#in~len#1|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~len~0#1| 2) (not (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| 0)) (= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) 0) |ULTIMATE.start_sll_circular_insert_~last~1#1.base|) (= |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| |ULTIMATE.start_sll_circular_insert_~last~1#1.offset|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.offset| 0) (= |ULTIMATE.start_sll_circular_insert_#in~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_sll_circular_insert_~head#1.offset| |ULTIMATE.start_sll_circular_insert_#in~head#1.offset|) (= |ULTIMATE.start_sll_circular_insert_~head#1.offset| |ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset|) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~mid_index~0#1| |ULTIMATE.start_sll_circular_insert_#in~index#1|) (= |#NULL.base| 0))) (<= 5 |ULTIMATE.start_sll_circular_insert_~data#1|) (<= |ULTIMATE.start_sll_circular_insert_~index#1| 0) (<= |ULTIMATE.start_sll_circular_insert_~data#1| 5))' at error location [2021-11-25 18:45:45,380 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:45:45,380 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:45:45,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 37 [2021-11-25 18:45:45,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692678447] [2021-11-25 18:45:45,380 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 18:45:45,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-25 18:45:45,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:45:45,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-25 18:45:45,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=2511, Unknown=5, NotChecked=412, Total=3080 [2021-11-25 18:45:45,386 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. Second operand has 37 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 28 states have internal predecessors, (32), 6 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-25 18:45:47,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:45:47,002 INFO L93 Difference]: Finished difference Result 51 states and 67 transitions. [2021-11-25 18:45:47,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 18:45:47,003 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 28 states have internal predecessors, (32), 6 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 23 [2021-11-25 18:45:47,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:45:47,006 INFO L225 Difference]: With dead ends: 51 [2021-11-25 18:45:47,006 INFO L226 Difference]: Without dead ends: 49 [2021-11-25 18:45:47,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=229, Invalid=3814, Unknown=5, NotChecked=508, Total=4556 [2021-11-25 18:45:47,010 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 38 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 97 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:45:47,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 338 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 582 Invalid, 0 Unknown, 97 Unchecked, 0.8s Time] [2021-11-25 18:45:47,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-11-25 18:45:47,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 37. [2021-11-25 18:45:47,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 29 states have internal predecessors, (38), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-25 18:45:47,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2021-11-25 18:45:47,021 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 23 [2021-11-25 18:45:47,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:45:47,021 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2021-11-25 18:45:47,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 28 states have internal predecessors, (32), 6 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-25 18:45:47,022 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2021-11-25 18:45:47,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:45:47,023 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:45:47,023 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:45:47,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 18:45:47,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:45:47,255 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:45:47,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:45:47,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1943902140, now seen corresponding path program 2 times [2021-11-25 18:45:47,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:45:47,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576342757] [2021-11-25 18:45:47,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:45:47,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:45:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:45:47,345 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 18:45:47,345 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:45:47,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576342757] [2021-11-25 18:45:47,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576342757] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:45:47,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:45:47,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:45:47,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337824713] [2021-11-25 18:45:47,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:45:47,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:45:47,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:45:47,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:45:47,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:45:47,350 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:45:47,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:45:47,413 INFO L93 Difference]: Finished difference Result 49 states and 65 transitions. [2021-11-25 18:45:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:45:47,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2021-11-25 18:45:47,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:45:47,415 INFO L225 Difference]: With dead ends: 49 [2021-11-25 18:45:47,415 INFO L226 Difference]: Without dead ends: 37 [2021-11-25 18:45:47,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:45:47,416 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 50 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:45:47,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 37 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 18:45:47,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-11-25 18:45:47,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-11-25 18:45:47,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-25 18:45:47,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 46 transitions. [2021-11-25 18:45:47,425 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 46 transitions. Word has length 24 [2021-11-25 18:45:47,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:45:47,426 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 46 transitions. [2021-11-25 18:45:47,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:45:47,426 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2021-11-25 18:45:47,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 18:45:47,427 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:45:47,427 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:45:47,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:45:47,428 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:45:47,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:45:47,428 INFO L85 PathProgramCache]: Analyzing trace with hash 451621842, now seen corresponding path program 1 times [2021-11-25 18:45:47,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:45:47,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118577344] [2021-11-25 18:45:47,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:45:47,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:45:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:45:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 18:45:47,690 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:45:47,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118577344] [2021-11-25 18:45:47,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118577344] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:45:47,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893467223] [2021-11-25 18:45:47,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:45:47,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:45:47,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:45:47,694 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:45:47,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b7f59eb-b659-48af-8df0-e0acb7545f8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:45:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:45:47,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 18:45:47,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:45:48,022 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 18:45:48,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:45:48,135 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 18:45:48,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893467223] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:45:48,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [148085640] [2021-11-25 18:45:48,138 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2021-11-25 18:45:48,138 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:45:48,139 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:45:48,139 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:45:48,139 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:45:48,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:48,184 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:45:48,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 18:45:48,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:48,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 18:45:48,235 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 18:45:48,239 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 18:45:48,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:48,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:45:48,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:48,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2021-11-25 18:45:48,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:48,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:45:48,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:48,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-25 18:45:48,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:48,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-25 18:45:48,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:48,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-25 18:45:48,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:48,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-25 18:45:48,473 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 7 treesize of output 3 [2021-11-25 18:45:48,482 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 7 treesize of output 3 [2021-11-25 18:45:48,491 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 7 treesize of output 3 [2021-11-25 18:45:48,499 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 18:45:48,509 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 18:45:48,551 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 7 treesize of output 3 [2021-11-25 18:45:48,570 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 18:45:48,577 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 7 treesize of output 3 [2021-11-25 18:45:48,588 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 18:45:48,598 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 7 treesize of output 3 [2021-11-25 18:45:48,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:48,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:48,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 221 treesize of output 205 [2021-11-25 18:45:48,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:48,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 207 [2021-11-25 18:45:48,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:48,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 114 [2021-11-25 18:45:48,788 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 7 treesize of output 3 [2021-11-25 18:45:48,796 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 18:45:48,805 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 7 treesize of output 3 [2021-11-25 18:45:48,815 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 18:45:48,824 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 7 treesize of output 3 [2021-11-25 18:45:48,867 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 18:45:48,875 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 18:45:48,882 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 7 treesize of output 3 [2021-11-25 18:45:48,896 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 7 treesize of output 3 [2021-11-25 18:45:48,903 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 7 treesize of output 3 [2021-11-25 18:45:48,938 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 19 treesize of output 11 [2021-11-25 18:45:48,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 11 [2021-11-25 18:45:48,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:48,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 11 [2021-11-25 18:45:49,043 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 7 treesize of output 3 [2021-11-25 18:45:49,051 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 18:45:49,060 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 7 treesize of output 3 [2021-11-25 18:45:49,070 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 18:45:49,081 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 7 treesize of output 3 [2021-11-25 18:45:49,128 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 18:45:49,139 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 18:45:49,147 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 7 treesize of output 3 [2021-11-25 18:45:49,155 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 7 treesize of output 3 [2021-11-25 18:45:49,165 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 7 treesize of output 3 [2021-11-25 18:45:49,257 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-25 18:45:49,258 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 1 case distinctions, treesize of input 34 treesize of output 25 [2021-11-25 18:45:49,284 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-25 18:45:49,285 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 1 case distinctions, treesize of input 19 treesize of output 18 [2021-11-25 18:45:49,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:49,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 13 [2021-11-25 18:45:49,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:49,403 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-25 18:45:49,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 17 [2021-11-25 18:45:49,415 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 18:45:49,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:49,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:49,436 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-25 18:45:49,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2021-11-25 18:45:49,456 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 9 treesize of output 3 [2021-11-25 18:45:49,466 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 18:45:49,547 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 9 treesize of output 3 [2021-11-25 18:45:49,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:49,567 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-25 18:45:49,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 10 [2021-11-25 18:45:49,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:49,591 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-25 18:45:49,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 17 [2021-11-25 18:45:49,603 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 18:45:49,611 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 18:45:49,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 359 treesize of output 358 [2021-11-25 18:45:49,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:49,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:50,011 INFO L354 Elim1Store]: treesize reduction 162, result has 13.8 percent of original size [2021-11-25 18:45:50,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 287 treesize of output 250 [2021-11-25 18:45:50,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:50,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:50,107 INFO L354 Elim1Store]: treesize reduction 90, result has 29.7 percent of original size [2021-11-25 18:45:50,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 167 treesize of output 149 [2021-11-25 18:45:50,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:45:50,201 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 15 treesize of output 1 [2021-11-25 18:45:50,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:45:50,268 INFO L354 Elim1Store]: treesize reduction 37, result has 45.6 percent of original size [2021-11-25 18:45:50,268 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 1 case distinctions, treesize of input 55 treesize of output 31 [2021-11-25 18:45:50,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:50,306 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:45:50,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-11-25 18:45:50,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:45:50,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:45:50,397 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:50,420 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:50,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:50,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-11-25 18:45:50,496 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:50,508 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-25 18:45:50,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 25 [2021-11-25 18:45:50,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:50,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:50,524 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 19 treesize of output 1 [2021-11-25 18:45:50,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:50,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-11-25 18:45:50,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:50,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:50,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 1 [2021-11-25 18:45:50,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:50,631 INFO L354 Elim1Store]: treesize reduction 16, result has 50.0 percent of original size [2021-11-25 18:45:50,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 33 [2021-11-25 18:45:50,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:50,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-11-25 18:45:50,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:50,742 INFO L354 Elim1Store]: treesize reduction 72, result has 35.1 percent of original size [2021-11-25 18:45:50,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 244 treesize of output 224 [2021-11-25 18:45:50,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:50,842 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-25 18:45:50,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2021-11-25 18:45:50,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:45:50,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:45:50,880 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-25 18:45:50,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14