./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG --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 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:07:40,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:07:40,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:07:40,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:07:40,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:07:40,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:07:40,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:07:40,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:07:40,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:07:40,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:07:40,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:07:40,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:07:40,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:07:40,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:07:40,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:07:40,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:07:40,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:07:40,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:07:40,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:07:40,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:07:40,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:07:40,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:07:40,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:07:40,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:07:40,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:07:40,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:07:40,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:07:40,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:07:40,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:07:40,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:07:40,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:07:40,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:07:40,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:07:40,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:07:40,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:07:40,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:07:40,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:07:40,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:07:40,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:07:40,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:07:40,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:07:40,188 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:07:40,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:07:40,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:07:40,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:07:40,242 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:07:40,242 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:07:40,243 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:07:40,243 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:07:40,243 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:07:40,250 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:07:40,251 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:07:40,252 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:07:40,252 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:07:40,253 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:07:40,253 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:07:40,253 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:07:40,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:07:40,254 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:07:40,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:07:40,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:07:40,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:07:40,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:07:40,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:07:40,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:07:40,256 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:07:40,256 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:07:40,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:07:40,257 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:07:40,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:07:40,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:07:40,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:07:40,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:07:40,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:07:40,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:07:40,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:07:40,261 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:07:40,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:07:40,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:07:40,261 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:07:40,262 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:07:40,262 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_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 [2021-10-29 05:07:40,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:07:40,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:07:40,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:07:40,624 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:07:40,625 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:07:40,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2021-10-29 05:07:40,734 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/data/ebb5bf162/f428d8e152eb413eb2c0c722e2fd23f2/FLAGe12be7f26 [2021-10-29 05:07:41,251 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:07:41,252 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2021-10-29 05:07:41,259 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/data/ebb5bf162/f428d8e152eb413eb2c0c722e2fd23f2/FLAGe12be7f26 [2021-10-29 05:07:41,607 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/data/ebb5bf162/f428d8e152eb413eb2c0c722e2fd23f2 [2021-10-29 05:07:41,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:07:41,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:07:41,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:07:41,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:07:41,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:07:41,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:07:41" (1/1) ... [2021-10-29 05:07:41,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a38b5df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:41, skipping insertion in model container [2021-10-29 05:07:41,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:07:41" (1/1) ... [2021-10-29 05:07:41,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:07:41,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:07:41,846 WARN L228 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_e71cb2d5-4881-4049-90a1-6b72782236c7/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i[838,851] [2021-10-29 05:07:41,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:07:41,884 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:07:41,896 WARN L228 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_e71cb2d5-4881-4049-90a1-6b72782236c7/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i[838,851] [2021-10-29 05:07:41,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:07:41,928 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:07:41,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:41 WrapperNode [2021-10-29 05:07:41,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:07:41,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:07:41,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:07:41,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:07:41,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:41" (1/1) ... [2021-10-29 05:07:41,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:41" (1/1) ... [2021-10-29 05:07:41,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:07:41,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:07:41,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:07:41,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:07:41,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:41" (1/1) ... [2021-10-29 05:07:41,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:41" (1/1) ... [2021-10-29 05:07:41,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:41" (1/1) ... [2021-10-29 05:07:41,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:41" (1/1) ... [2021-10-29 05:07:42,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:41" (1/1) ... [2021-10-29 05:07:42,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:41" (1/1) ... [2021-10-29 05:07:42,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:41" (1/1) ... [2021-10-29 05:07:42,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:07:42,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:07:42,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:07:42,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:07:42,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:41" (1/1) ... [2021-10-29 05:07:42,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:07:42,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:07:42,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:07:42,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:07:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 05:07:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:07:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 05:07:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:07:42,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:07:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 05:07:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:07:42,894 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:07:42,894 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-10-29 05:07:42,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:07:42 BoogieIcfgContainer [2021-10-29 05:07:42,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:07:42,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:07:42,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:07:42,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:07:42,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:07:41" (1/3) ... [2021-10-29 05:07:42,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b691b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:07:42, skipping insertion in model container [2021-10-29 05:07:42,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:41" (2/3) ... [2021-10-29 05:07:42,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b691b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:07:42, skipping insertion in model container [2021-10-29 05:07:42,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:07:42" (3/3) ... [2021-10-29 05:07:42,912 INFO L111 eAbstractionObserver]: Analyzing ICFG data_structures_set_multi_proc_trivial_ground.i [2021-10-29 05:07:42,926 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:07:42,926 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:07:42,996 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:07:43,005 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 [2021-10-29 05:07:43,005 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:07:43,024 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 22 states have (on average 1.7727272727272727) internal successors, (39), 25 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:07:43,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 05:07:43,031 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:07:43,031 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-29 05:07:43,032 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:07:43,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:07:43,039 INFO L85 PathProgramCache]: Analyzing trace with hash -2035882718, now seen corresponding path program 1 times [2021-10-29 05:07:43,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:07:43,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050296600] [2021-10-29 05:07:43,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:07:43,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:07:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:07:43,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:07:43,278 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:07:43,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050296600] [2021-10-29 05:07:43,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050296600] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:07:43,279 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:07:43,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 05:07:43,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740849369] [2021-10-29 05:07:43,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:07:43,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:07:43,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:07:43,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:07:43,318 INFO L87 Difference]: Start difference. First operand has 26 states, 22 states have (on average 1.7727272727272727) internal successors, (39), 25 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:07:43,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:07:43,425 INFO L93 Difference]: Finished difference Result 75 states and 113 transitions. [2021-10-29 05:07:43,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:07:43,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-29 05:07:43,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:07:43,437 INFO L225 Difference]: With dead ends: 75 [2021-10-29 05:07:43,438 INFO L226 Difference]: Without dead ends: 49 [2021-10-29 05:07:43,441 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:07:43,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-29 05:07:43,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 26. [2021-10-29 05:07:43,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.565217391304348) internal successors, (36), 25 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:07:43,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2021-10-29 05:07:43,482 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 6 [2021-10-29 05:07:43,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:07:43,482 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2021-10-29 05:07:43,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:07:43,483 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2021-10-29 05:07:43,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 05:07:43,484 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:07:43,484 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:07:43,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 05:07:43,485 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:07:43,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:07:43,486 INFO L85 PathProgramCache]: Analyzing trace with hash 771644161, now seen corresponding path program 1 times [2021-10-29 05:07:43,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:07:43,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341802852] [2021-10-29 05:07:43,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:07:43,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:07:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:07:43,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:07:43,555 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:07:43,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341802852] [2021-10-29 05:07:43,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341802852] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 05:07:43,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991965089] [2021-10-29 05:07:43,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:07:43,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:07:43,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:07:43,559 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 05:07:43,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-29 05:07:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:07:43,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:07:43,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:07:43,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:07:43,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:07:43,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:07:43,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991965089] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:07:43,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1224875370] [2021-10-29 05:07:43,852 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-10-29 05:07:43,853 INFO L166 IcfgInterpreter]: Building call graph [2021-10-29 05:07:43,863 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-29 05:07:43,873 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-29 05:07:43,874 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-29 05:07:43,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:43,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:43,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:43,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:43,934 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:43,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:43,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-29 05:07:43,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-10-29 05:07:43,972 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 21=[|v_#valid_34|]} [2021-10-29 05:07:43,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:43,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:43,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:44,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-29 05:07:44,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:07:44,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:07:44,009 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:44,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:44,064 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:44,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:44,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:44,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:44,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:44,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:44,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:44,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:44,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:44,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-10-29 05:07:44,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:07:44,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:07:44,127 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:44,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:44,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-10-29 05:07:44,202 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:07:44,202 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:122, output treesize:97 [2021-10-29 05:07:44,213 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size [2021-10-29 05:07:44,225 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-29 05:07:44,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:07:44,231 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,233 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-10-29 05:07:44,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-29 05:07:44,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-29 05:07:44,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-10-29 05:07:44,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:44,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:44,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-10-29 05:07:44,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:07:44,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:07:44,295 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:44,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:44,315 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-10-29 05:07:44,326 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:07:44,326 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:116, output treesize:113 [2021-10-29 05:07:44,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:44,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:44,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:44,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,455 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,469 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-29 05:07:44,483 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-29 05:07:44,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 251 [2021-10-29 05:07:44,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2021-10-29 05:07:44,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2021-10-29 05:07:44,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,524 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:44,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-29 05:07:44,551 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,572 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:44,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-29 05:07:44,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,594 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-29 05:07:44,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-10-29 05:07:44,601 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-10-29 05:07:44,617 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,627 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-29 05:07:44,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-29 05:07:44,632 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:44,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-29 05:07:44,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-10-29 05:07:44,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 267 [2021-10-29 05:07:44,657 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:44,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-10-29 05:07:44,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 296 [2021-10-29 05:07:44,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:44,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:44,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:44,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-10-29 05:07:44,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-10-29 05:07:44,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-10-29 05:07:44,772 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:44,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:44,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:44,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-10-29 05:07:44,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-29 05:07:44,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-29 05:07:44,826 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:44,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:44,910 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:44,958 INFO L180 QuantifierPusher]: treesize reduction 94, result has 74.2 percent of original size [2021-10-29 05:07:44,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-10-29 05:07:44,978 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-29 05:07:45,001 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:371, output treesize:281 [2021-10-29 05:07:45,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:45,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:45,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:45,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:45,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:45,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:45,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:45,116 INFO L180 QuantifierPusher]: treesize reduction 36, result has 64.7 percent of original size [2021-10-29 05:07:45,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:45,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:45,130 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:45,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:45,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:07:45,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-29 05:07:45,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:45,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:45,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:45,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-10-29 05:07:45,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-10-29 05:07:45,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:45,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:45,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:45,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:45,158 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:45,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:45,162 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:45,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:45,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-10-29 05:07:45,172 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:07:45,173 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:61, output treesize:63 [2021-10-29 05:07:45,182 INFO L180 QuantifierPusher]: treesize reduction 40, result has 48.7 percent of original size [2021-10-29 05:07:45,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-29 05:07:45,189 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-29 05:07:45,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1224875370] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:07:45,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-29 05:07:45,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3, 3] total 8 [2021-10-29 05:07:45,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500774968] [2021-10-29 05:07:45,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:07:45,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:07:45,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:07:45,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:07:45,304 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:07:45,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:07:45,383 INFO L93 Difference]: Finished difference Result 49 states and 70 transitions. [2021-10-29 05:07:45,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:07:45,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-29 05:07:45,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:07:45,385 INFO L225 Difference]: With dead ends: 49 [2021-10-29 05:07:45,385 INFO L226 Difference]: Without dead ends: 25 [2021-10-29 05:07:45,386 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:07:45,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-10-29 05:07:45,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2021-10-29 05:07:45,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:07:45,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2021-10-29 05:07:45,399 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 30 transitions. Word has length 7 [2021-10-29 05:07:45,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:07:45,402 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-10-29 05:07:45,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:07:45,403 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2021-10-29 05:07:45,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 05:07:45,404 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:07:45,404 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:07:45,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:07:45,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:07:45,619 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:07:45,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:07:45,619 INFO L85 PathProgramCache]: Analyzing trace with hash 155772538, now seen corresponding path program 1 times [2021-10-29 05:07:45,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:07:45,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121865545] [2021-10-29 05:07:45,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:07:45,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:07:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:07:45,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:07:45,673 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:07:45,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121865545] [2021-10-29 05:07:45,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121865545] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 05:07:45,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935706275] [2021-10-29 05:07:45,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:07:45,674 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:07:45,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:07:45,676 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 05:07:45,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-29 05:07:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:07:45,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:07:45,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:07:45,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 05:07:45,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:07:45,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 05:07:45,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935706275] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:07:45,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-10-29 05:07:45,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2021-10-29 05:07:45,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737770772] [2021-10-29 05:07:45,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:07:45,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:07:45,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:07:45,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:07:45,878 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:07:45,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:07:45,939 INFO L93 Difference]: Finished difference Result 51 states and 72 transitions. [2021-10-29 05:07:45,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:07:45,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-29 05:07:45,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:07:45,943 INFO L225 Difference]: With dead ends: 51 [2021-10-29 05:07:45,944 INFO L226 Difference]: Without dead ends: 34 [2021-10-29 05:07:45,944 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:07:45,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-29 05:07:45,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2021-10-29 05:07:45,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 30 states have (on average 1.5) internal successors, (45), 31 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:07:45,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 45 transitions. [2021-10-29 05:07:45,962 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 45 transitions. Word has length 12 [2021-10-29 05:07:45,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:07:45,963 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 45 transitions. [2021-10-29 05:07:45,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:07:45,963 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2021-10-29 05:07:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 05:07:45,965 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:07:45,965 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:07:46,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:07:46,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-29 05:07:46,178 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:07:46,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:07:46,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1624509178, now seen corresponding path program 1 times [2021-10-29 05:07:46,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:07:46,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51269982] [2021-10-29 05:07:46,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:07:46,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:07:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:07:46,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 05:07:46,246 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:07:46,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51269982] [2021-10-29 05:07:46,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51269982] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 05:07:46,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963529802] [2021-10-29 05:07:46,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:07:46,247 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:07:46,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:07:46,249 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 05:07:46,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-29 05:07:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:07:46,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:07:46,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:07:46,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 05:07:46,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:07:46,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 05:07:46,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963529802] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:07:46,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1344314294] [2021-10-29 05:07:46,472 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-10-29 05:07:46,473 INFO L166 IcfgInterpreter]: Building call graph [2021-10-29 05:07:46,473 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-29 05:07:46,473 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-29 05:07:46,474 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-29 05:07:46,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,497 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:46,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-29 05:07:46,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-10-29 05:07:46,525 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_21|], 21=[|v_#valid_37|]} [2021-10-29 05:07:46,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-29 05:07:46,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:07:46,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:07:46,545 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:46,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:46,553 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-10-29 05:07:46,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:07:46,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:07:46,590 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:46,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:46,597 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-10-29 05:07:46,602 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:07:46,603 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:122, output treesize:97 [2021-10-29 05:07:46,609 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size [2021-10-29 05:07:46,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,624 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-10-29 05:07:46,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-29 05:07:46,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,632 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-29 05:07:46,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:07:46,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-29 05:07:46,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-10-29 05:07:46,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-10-29 05:07:46,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:07:46,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-29 05:07:46,685 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:46,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:46,696 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-10-29 05:07:46,706 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:07:46,706 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:116, output treesize:113 [2021-10-29 05:07:46,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:46,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:46,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:46,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-29 05:07:46,824 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-29 05:07:46,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 251 [2021-10-29 05:07:46,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2021-10-29 05:07:46,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2021-10-29 05:07:46,849 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:46,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-29 05:07:46,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,880 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-29 05:07:46,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-29 05:07:46,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:46,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-29 05:07:46,891 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-10-29 05:07:46,898 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,904 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:46,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-29 05:07:46,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-29 05:07:46,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-10-29 05:07:46,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-10-29 05:07:46,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 267 [2021-10-29 05:07:46,920 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:46,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-10-29 05:07:46,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 296 [2021-10-29 05:07:46,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-10-29 05:07:46,970 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-10-29 05:07:46,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:46,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-10-29 05:07:46,976 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:46,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:46,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-10-29 05:07:46,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-29 05:07:47,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-29 05:07:47,004 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:47,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,057 INFO L180 QuantifierPusher]: treesize reduction 94, result has 74.2 percent of original size [2021-10-29 05:07:47,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-10-29 05:07:47,064 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-29 05:07:47,064 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:371, output treesize:281 [2021-10-29 05:07:47,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,136 INFO L180 QuantifierPusher]: treesize reduction 36, result has 64.7 percent of original size [2021-10-29 05:07:47,140 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,141 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:07:47,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-29 05:07:47,144 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:47,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-10-29 05:07:47,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-10-29 05:07:47,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:47,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:47,157 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:47,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,160 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-10-29 05:07:47,165 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:07:47,165 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:61, output treesize:63 [2021-10-29 05:07:47,171 INFO L180 QuantifierPusher]: treesize reduction 40, result has 48.7 percent of original size [2021-10-29 05:07:47,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-29 05:07:47,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-10-29 05:07:47,180 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:47,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-10-29 05:07:47,186 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_22|], 1=[|v_#valid_38|]} [2021-10-29 05:07:47,222 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 [2021-10-29 05:07:47,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-29 05:07:47,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-29 05:07:47,225 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:47,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,230 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,238 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 [2021-10-29 05:07:47,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-29 05:07:47,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-29 05:07:47,242 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:47,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,246 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-10-29 05:07:47,250 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:07:47,250 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:68, output treesize:61 [2021-10-29 05:07:47,254 INFO L180 QuantifierPusher]: treesize reduction 4, result has 95.7 percent of original size [2021-10-29 05:07:47,258 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,259 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-29 05:07:47,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:47,262 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-29 05:07:47,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-10-29 05:07:47,275 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 11 treesize of output 7 [2021-10-29 05:07:47,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-29 05:07:47,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-29 05:07:47,278 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:47,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,283 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-10-29 05:07:47,288 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:07:47,289 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:76 [2021-10-29 05:07:47,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,351 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,355 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-29 05:07:47,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:07:47,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 165 [2021-10-29 05:07:47,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-10-29 05:07:47,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-10-29 05:07:47,370 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,372 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:47,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-29 05:07:47,377 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,380 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,382 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,384 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:47,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-29 05:07:47,387 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-29 05:07:47,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-29 05:07:47,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-10-29 05:07:47,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,396 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:07:47,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-29 05:07:47,399 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:47,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-10-29 05:07:47,404 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-10-29 05:07:47,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-10-29 05:07:47,429 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 16 treesize of output 12 [2021-10-29 05:07:47,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:47,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:47,432 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:47,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:47,447 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 33 treesize of output 28 [2021-10-29 05:07:47,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-29 05:07:47,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-29 05:07:47,451 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:47,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,493 INFO L180 QuantifierPusher]: treesize reduction 113, result has 62.0 percent of original size [2021-10-29 05:07:47,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-10-29 05:07:47,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-29 05:07:47,499 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:304, output treesize:195 [2021-10-29 05:07:47,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,554 INFO L180 QuantifierPusher]: treesize reduction 48, result has 61.0 percent of original size [2021-10-29 05:07:47,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,559 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:07:47,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-29 05:07:47,561 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:47,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-10-29 05:07:47,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-10-29 05:07:47,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:47,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:47,575 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:47,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:47,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-10-29 05:07:47,583 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:07:47,584 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:70, output treesize:72 [2021-10-29 05:07:47,590 INFO L180 QuantifierPusher]: treesize reduction 52, result has 47.5 percent of original size [2021-10-29 05:07:47,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-10-29 05:07:47,605 INFO L180 QuantifierPusher]: treesize reduction 12, result has 94.4 percent of original size [2021-10-29 05:07:47,617 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-10-29 05:07:47,632 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,636 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-10-29 05:07:47,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-10-29 05:07:47,641 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:47,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:47,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-10-29 05:07:47,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-10-29 05:07:47,655 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-29 05:07:48,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1344314294] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:07:48,479 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-29 05:07:48,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [3, 3, 3] total 13 [2021-10-29 05:07:48,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907949491] [2021-10-29 05:07:48,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-29 05:07:48,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:07:48,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-29 05:07:48,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=97, Unknown=0, NotChecked=0, Total=182 [2021-10-29 05:07:48,482 INFO L87 Difference]: Start difference. First operand 32 states and 45 transitions. Second operand has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:07:48,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:07:48,634 INFO L93 Difference]: Finished difference Result 55 states and 78 transitions. [2021-10-29 05:07:48,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:07:48,635 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-29 05:07:48,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:07:48,636 INFO L225 Difference]: With dead ends: 55 [2021-10-29 05:07:48,636 INFO L226 Difference]: Without dead ends: 31 [2021-10-29 05:07:48,636 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=85, Invalid=97, Unknown=0, NotChecked=0, Total=182 [2021-10-29 05:07:48,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-29 05:07:48,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2021-10-29 05:07:48,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:07:48,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2021-10-29 05:07:48,645 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 14 [2021-10-29 05:07:48,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:07:48,646 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-10-29 05:07:48,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:07:48,646 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2021-10-29 05:07:48,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:07:48,647 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:07:48,647 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:07:48,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:07:48,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:07:48,874 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:07:48,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:07:48,875 INFO L85 PathProgramCache]: Analyzing trace with hash -714533440, now seen corresponding path program 1 times [2021-10-29 05:07:48,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:07:48,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280376022] [2021-10-29 05:07:48,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:07:48,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:07:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:07:48,923 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 05:07:48,923 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:07:48,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280376022] [2021-10-29 05:07:48,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280376022] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 05:07:48,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211677272] [2021-10-29 05:07:48,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:07:48,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:07:48,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:07:48,925 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 05:07:48,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-29 05:07:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:07:49,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:07:49,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:07:49,106 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 05:07:49,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:07:49,188 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 05:07:49,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211677272] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:07:49,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1685921539] [2021-10-29 05:07:49,192 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-10-29 05:07:49,192 INFO L166 IcfgInterpreter]: Building call graph [2021-10-29 05:07:49,193 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-29 05:07:49,193 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-29 05:07:49,193 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-29 05:07:49,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,203 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:49,204 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-29 05:07:49,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-10-29 05:07:49,210 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_24|], 21=[|v_#valid_40|]} [2021-10-29 05:07:49,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-29 05:07:49,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:07:49,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:07:49,225 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:49,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,230 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-10-29 05:07:49,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:07:49,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-29 05:07:49,255 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:49,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,260 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-10-29 05:07:49,264 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:07:49,264 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:122, output treesize:97 [2021-10-29 05:07:49,268 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size [2021-10-29 05:07:49,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,274 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-29 05:07:49,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-29 05:07:49,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,278 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:49,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-29 05:07:49,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-10-29 05:07:49,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-10-29 05:07:49,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-10-29 05:07:49,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-29 05:07:49,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-29 05:07:49,303 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:49,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,309 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-10-29 05:07:49,316 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:07:49,316 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:123, output treesize:125 [2021-10-29 05:07:49,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,384 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,397 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-10-29 05:07:49,400 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-29 05:07:49,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 261 [2021-10-29 05:07:49,406 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-10-29 05:07:49,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-10-29 05:07:49,417 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:49,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-29 05:07:49,425 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,431 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:49,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-29 05:07:49,453 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,455 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-10-29 05:07:49,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-10-29 05:07:49,459 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-10-29 05:07:49,463 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,465 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-29 05:07:49,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-29 05:07:49,469 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:49,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-29 05:07:49,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-10-29 05:07:49,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 277 [2021-10-29 05:07:49,488 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 250 [2021-10-29 05:07:49,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 306 [2021-10-29 05:07:49,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-10-29 05:07:49,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-10-29 05:07:49,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-10-29 05:07:49,545 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:49,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-10-29 05:07:49,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-29 05:07:49,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-29 05:07:49,571 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:49,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,619 INFO L180 QuantifierPusher]: treesize reduction 94, result has 74.9 percent of original size [2021-10-29 05:07:49,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-10-29 05:07:49,626 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-29 05:07:49,627 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:381, output treesize:291 [2021-10-29 05:07:49,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,688 INFO L180 QuantifierPusher]: treesize reduction 36, result has 64.7 percent of original size [2021-10-29 05:07:49,692 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,693 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:07:49,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-29 05:07:49,695 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:49,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-10-29 05:07:49,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-10-29 05:07:49,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:49,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:49,707 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:49,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-10-29 05:07:49,715 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:07:49,715 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:61, output treesize:63 [2021-10-29 05:07:49,720 INFO L180 QuantifierPusher]: treesize reduction 40, result has 48.7 percent of original size [2021-10-29 05:07:49,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-29 05:07:49,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-10-29 05:07:49,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:49,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-10-29 05:07:49,733 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_25|], 1=[|v_#valid_41|]} [2021-10-29 05:07:49,739 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 [2021-10-29 05:07:49,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-29 05:07:49,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-29 05:07:49,742 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:49,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,746 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,752 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 [2021-10-29 05:07:49,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-29 05:07:49,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-29 05:07:49,755 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:49,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,759 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-10-29 05:07:49,763 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:07:49,763 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:68, output treesize:61 [2021-10-29 05:07:49,766 INFO L180 QuantifierPusher]: treesize reduction 4, result has 95.7 percent of original size [2021-10-29 05:07:49,770 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,771 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:07:49,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-29 05:07:49,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:49,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-10-29 05:07:49,785 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 16 treesize of output 12 [2021-10-29 05:07:49,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:49,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:49,787 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:49,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-10-29 05:07:49,797 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:07:49,798 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:86, output treesize:88 [2021-10-29 05:07:49,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:49,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,855 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-10-29 05:07:49,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:07:49,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-10-29 05:07:49,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-10-29 05:07:49,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-10-29 05:07:49,882 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:49,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-29 05:07:49,889 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,894 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,895 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:07:49,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-29 05:07:49,897 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:49,901 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,904 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:49,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-29 05:07:49,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,908 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-10-29 05:07:49,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-29 05:07:49,912 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-10-29 05:07:49,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-10-29 05:07:49,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:49,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-10-29 05:07:49,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2021-10-29 05:07:49,942 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 16 treesize of output 12 [2021-10-29 05:07:49,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:49,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:49,945 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:49,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:07:49,959 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 43 treesize of output 33 [2021-10-29 05:07:49,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-10-29 05:07:49,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:49,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-10-29 05:07:49,965 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:49,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,019 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,032 INFO L180 QuantifierPusher]: treesize reduction 113, result has 63.2 percent of original size [2021-10-29 05:07:50,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-10-29 05:07:50,042 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-29 05:07:50,042 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:314, output treesize:205 [2021-10-29 05:07:50,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,099 INFO L180 QuantifierPusher]: treesize reduction 48, result has 61.0 percent of original size [2021-10-29 05:07:50,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-29 05:07:50,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-29 05:07:50,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-29 05:07:50,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-10-29 05:07:50,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-10-29 05:07:50,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:50,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-29 05:07:50,120 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-29 05:07:50,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,125 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-10-29 05:07:50,135 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-29 05:07:50,135 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:70, output treesize:72 [2021-10-29 05:07:50,142 INFO L180 QuantifierPusher]: treesize reduction 52, result has 47.5 percent of original size [2021-10-29 05:07:50,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-10-29 05:07:50,157 INFO L180 QuantifierPusher]: treesize reduction 12, result has 94.4 percent of original size [2021-10-29 05:07:50,169 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-10-29 05:07:50,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-10-29 05:07:50,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-10-29 05:07:50,191 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-10-29 05:07:50,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-10-29 05:07:50,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-10-29 05:07:50,215 INFO L180 QuantifierPusher]: treesize reduction 6, result has 95.5 percent of original size [2021-10-29 05:07:50,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-10-29 05:07:50,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,311 INFO L180 QuantifierPusher]: treesize reduction 12, result has 96.8 percent of original size [2021-10-29 05:07:50,324 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-10-29 05:07:50,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-10-29 05:07:50,354 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,372 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size 127 [2021-10-29 05:07:50,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,382 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-10-29 05:07:50,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,397 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,403 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-10-29 05:07:50,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-10-29 05:07:50,408 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-10-29 05:07:50,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 289 [2021-10-29 05:07:50,417 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-10-29 05:07:50,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-10-29 05:07:50,430 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,447 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,449 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-10-29 05:07:50,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-10-29 05:07:50,453 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-10-29 05:07:50,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 289 [2021-10-29 05:07:50,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-10-29 05:07:50,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-10-29 05:07:50,485 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,488 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-10-29 05:07:50,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-10-29 05:07:50,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-10-29 05:07:50,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 380 [2021-10-29 05:07:50,524 INFO L180 QuantifierPusher]: treesize reduction 102, result has 69.1 percent of original size [2021-10-29 05:07:50,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-10-29 05:07:50,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,555 INFO L185 QuantifierPusher]: treesize reduction 16, result has 89.3 percent of original size 133 [2021-10-29 05:07:50,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,630 INFO L180 QuantifierPusher]: treesize reduction 63, result has 75.9 percent of original size [2021-10-29 05:07:50,645 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-10-29 05:07:50,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-10-29 05:07:50,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-10-29 05:07:50,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-10-29 05:07:50,692 INFO L180 QuantifierPusher]: treesize reduction 63, result has 75.9 percent of original size [2021-10-29 05:07:50,696 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-29 05:07:50,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-10-29 05:07:50,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-10-29 05:07:50,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:07:50,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-10-29 05:07:50,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:50,771 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-29 05:07:51,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1685921539] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:07:51,742 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-29 05:07:51,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3, 3] total 12 [2021-10-29 05:07:51,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274606094] [2021-10-29 05:07:51,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:07:51,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:07:51,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:07:51,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=84, Unknown=0, NotChecked=0, Total=156 [2021-10-29 05:07:51,744 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:07:51,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:07:51,816 INFO L93 Difference]: Finished difference Result 33 states and 44 transitions. [2021-10-29 05:07:51,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 05:07:51,818 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-29 05:07:51,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:07:51,819 INFO L225 Difference]: With dead ends: 33 [2021-10-29 05:07:51,819 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:07:51,819 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=72, Invalid=84, Unknown=0, NotChecked=0, Total=156 [2021-10-29 05:07:51,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:07:51,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:07:51,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:07:51,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:07:51,820 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-10-29 05:07:51,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:07:51,820 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:07:51,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:07:51,820 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:07:51,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:07:51,823 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:07:51,823 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:07:51,823 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:07:51,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:07:52,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-10-29 05:07:52,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:07:52,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:52,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:52,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:52,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:52,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:52,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:52,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:52,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:52,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:52,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:52,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:07:53,161 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2021-10-29 05:07:53,161 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:07:53,161 INFO L853 garLoopResultBuilder]: At program point L61-3(lines 61 65) the Hoare annotation is: (and (= ULTIMATE.start_main_~x~0 0) (<= 0 |#t~string0.base|) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (= |ULTIMATE.start_main_~#set~0.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string1.base|) (= |#t~string1.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#t~string0.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= |#NULL.base| 0)) [2021-10-29 05:07:53,162 INFO L853 garLoopResultBuilder]: At program point L62-3(lines 62 64) the Hoare annotation is: false [2021-10-29 05:07:53,162 INFO L857 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2021-10-29 05:07:53,162 INFO L857 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2021-10-29 05:07:53,162 INFO L857 garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed. [2021-10-29 05:07:53,162 INFO L857 garLoopResultBuilder]: For program point L13-4(line 13) no Hoare annotation was computed. [2021-10-29 05:07:53,162 INFO L857 garLoopResultBuilder]: For program point L13-5(line 13) no Hoare annotation was computed. [2021-10-29 05:07:53,162 INFO L857 garLoopResultBuilder]: For program point L13-7(line 13) no Hoare annotation was computed. [2021-10-29 05:07:53,162 INFO L857 garLoopResultBuilder]: For program point L13-8(line 13) no Hoare annotation was computed. [2021-10-29 05:07:53,162 INFO L857 garLoopResultBuilder]: For program point L13-9(line 13) no Hoare annotation was computed. [2021-10-29 05:07:53,162 INFO L857 garLoopResultBuilder]: For program point L13-11(line 13) no Hoare annotation was computed. [2021-10-29 05:07:53,163 INFO L853 garLoopResultBuilder]: At program point L55-3(lines 55 59) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~#values~0.base|) (<= 0 ULTIMATE.start_main_~v~0) (<= ULTIMATE.start_elem_exists_~set.offset 0) (<= ULTIMATE.start_elem_exists_~size 0) (= ULTIMATE.start_elem_exists_~i~0 0) (<= 0 |#t~string0.base|) (< ULTIMATE.start_main_~v~0 100000) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (<= ULTIMATE.start_main_~x~0 0) (<= 0 ULTIMATE.start_elem_exists_~set.offset) (<= |ULTIMATE.start_elem_exists_#in~size| 0) (<= 0 ULTIMATE.start_elem_exists_~set.base) (= |ULTIMATE.start_main_~#values~0.offset| 0) (<= |ULTIMATE.start_elem_exists_#in~set.offset| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.base|) (= |ULTIMATE.start_main_~#set~0.offset| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.offset|) (<= 0 |ULTIMATE.start_elem_exists_#in~size|) (= |#NULL.offset| 0) (<= 0 |#t~string1.base|) (= |ULTIMATE.start_elem_exists_#res| 0) (= |#t~string1.offset| 0) (<= 0 ULTIMATE.start_main_~x~0) (<= 0 |#StackHeapBarrier|) (<= 0 ULTIMATE.start_elem_exists_~size) (= |#t~string0.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= |#NULL.base| 0)) [2021-10-29 05:07:53,163 INFO L853 garLoopResultBuilder]: At program point L22-3(lines 22 24) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~#values~0.base|) (<= 0 ULTIMATE.start_main_~v~0) (<= ULTIMATE.start_elem_exists_~set.offset 0) (<= ULTIMATE.start_elem_exists_~size 0) (= ULTIMATE.start_elem_exists_~i~0 0) (<= 0 |#t~string0.base|) (< ULTIMATE.start_main_~v~0 100000) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (<= ULTIMATE.start_main_~x~0 0) (<= 0 ULTIMATE.start_elem_exists_~set.offset) (<= |ULTIMATE.start_elem_exists_#in~size| 0) (<= 0 ULTIMATE.start_elem_exists_~set.base) (= |ULTIMATE.start_main_~#values~0.offset| 0) (<= |ULTIMATE.start_elem_exists_#in~set.offset| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.base|) (= |ULTIMATE.start_main_~#set~0.offset| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.offset|) (<= 0 |ULTIMATE.start_elem_exists_#in~size|) (= |#NULL.offset| 0) (<= 0 |#t~string1.base|) (= |#t~string1.offset| 0) (<= 0 ULTIMATE.start_main_~x~0) (<= 0 |#StackHeapBarrier|) (<= 0 ULTIMATE.start_elem_exists_~size) (= |#t~string0.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= |#NULL.base| 0)) [2021-10-29 05:07:53,163 INFO L853 garLoopResultBuilder]: At program point L47-3(lines 47 50) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~#values~0.base|) (<= 0 ULTIMATE.start_main_~v~0) (<= 0 |#t~string0.base|) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (<= ULTIMATE.start_main_~x~0 0) (= |ULTIMATE.start_main_~#values~0.offset| 0) (= |ULTIMATE.start_main_~#set~0.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string1.base|) (= |#t~string1.offset| 0) (<= 0 ULTIMATE.start_main_~x~0) (<= 0 |#StackHeapBarrier|) (= |#t~string0.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= |#NULL.base| 0)) [2021-10-29 05:07:53,163 INFO L853 garLoopResultBuilder]: At program point L39-3(lines 39 43) the Hoare annotation is: (and (= ULTIMATE.start_main_~x~0 0) (<= 0 |#t~string0.base|) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (= |ULTIMATE.start_main_~#set~0.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string1.base|) (= |#t~string1.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#t~string0.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= |#NULL.base| 0)) [2021-10-29 05:07:53,163 INFO L857 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2021-10-29 05:07:53,163 INFO L853 garLoopResultBuilder]: At program point L56-3(lines 56 58) the Hoare annotation is: false [2021-10-29 05:07:53,164 INFO L853 garLoopResultBuilder]: At program point L40-3(lines 40 42) the Hoare annotation is: false [2021-10-29 05:07:53,164 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2021-10-29 05:07:53,164 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:07:53,164 INFO L853 garLoopResultBuilder]: At program point L33-3(lines 33 36) the Hoare annotation is: (and (<= 0 |#t~string0.base|) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (= |ULTIMATE.start_main_~#set~0.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string1.base|) (= |#t~string1.offset| 0) (<= 0 ULTIMATE.start_main_~x~0) (<= 0 |#StackHeapBarrier|) (= |#t~string0.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= |#NULL.base| 0)) [2021-10-29 05:07:53,164 INFO L853 garLoopResultBuilder]: At program point L25(lines 20 26) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~#values~0.base|) (<= 0 ULTIMATE.start_main_~v~0) (<= ULTIMATE.start_elem_exists_~set.offset 0) (<= ULTIMATE.start_elem_exists_~size 0) (= ULTIMATE.start_elem_exists_~i~0 0) (<= 0 |#t~string0.base|) (< ULTIMATE.start_main_~v~0 100000) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (<= ULTIMATE.start_main_~x~0 0) (<= 0 ULTIMATE.start_elem_exists_~set.offset) (<= |ULTIMATE.start_elem_exists_#in~size| 0) (<= 0 ULTIMATE.start_elem_exists_~set.base) (= |ULTIMATE.start_main_~#values~0.offset| 0) (<= |ULTIMATE.start_elem_exists_#in~set.offset| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.base|) (= |ULTIMATE.start_main_~#set~0.offset| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.offset|) (<= 0 |ULTIMATE.start_elem_exists_#in~size|) (= |#NULL.offset| 0) (<= 0 |#t~string1.base|) (= |ULTIMATE.start_elem_exists_#res| 0) (= |#t~string1.offset| 0) (<= 0 ULTIMATE.start_main_~x~0) (<= 0 |#StackHeapBarrier|) (<= 0 ULTIMATE.start_elem_exists_~size) (= |#t~string0.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= |#NULL.base| 0)) [2021-10-29 05:07:53,164 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2021-10-29 05:07:53,164 INFO L853 garLoopResultBuilder]: At program point L51-3(lines 51 60) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~#values~0.base|)) (.cse1 (<= 0 |#t~string0.base|)) (.cse2 (<= 0 |ULTIMATE.start_main_~#set~0.base|)) (.cse3 (<= ULTIMATE.start_main_~x~0 0)) (.cse4 (= |ULTIMATE.start_main_~#values~0.offset| 0)) (.cse5 (= |ULTIMATE.start_main_~#set~0.offset| 0)) (.cse6 (= |#NULL.offset| 0)) (.cse7 (<= 0 |#t~string1.base|)) (.cse8 (= |#t~string1.offset| 0)) (.cse9 (<= 0 ULTIMATE.start_main_~x~0)) (.cse10 (<= 0 |#StackHeapBarrier|)) (.cse11 (= |#t~string0.offset| 0)) (.cse12 (= ULTIMATE.start_main_~n~0 0)) (.cse13 (= |#NULL.base| 0))) (or (and .cse0 (<= 0 ULTIMATE.start_main_~v~0) (<= ULTIMATE.start_elem_exists_~set.offset 0) (<= ULTIMATE.start_elem_exists_~size 0) (= ULTIMATE.start_elem_exists_~i~0 0) .cse1 .cse2 .cse3 (<= 0 ULTIMATE.start_elem_exists_~set.offset) (<= |ULTIMATE.start_elem_exists_#in~size| 0) (<= 0 ULTIMATE.start_elem_exists_~set.base) .cse4 (<= |ULTIMATE.start_elem_exists_#in~set.offset| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.base|) .cse5 (<= 0 |ULTIMATE.start_elem_exists_#in~set.offset|) (<= 0 |ULTIMATE.start_elem_exists_#in~size|) .cse6 .cse7 (= |ULTIMATE.start_elem_exists_#res| 0) .cse8 .cse9 .cse10 (<= 0 ULTIMATE.start_elem_exists_~size) .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~v~0 0) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13))) [2021-10-29 05:07:53,168 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-29 05:07:53,169 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:07:53,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:07:53 BoogieIcfgContainer [2021-10-29 05:07:53,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:07:53,216 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:07:53,216 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:07:53,216 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:07:53,216 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:07:42" (3/4) ... [2021-10-29 05:07:53,219 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:07:53,239 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2021-10-29 05:07:53,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-10-29 05:07:53,241 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:07:53,241 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:07:53,265 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((0 <= values && 0 <= v) && set <= 0) && size <= 0) && i == 0) && 0 <= "0") && 0 <= set) && x <= 0) && 0 <= set) && \old(size) <= 0) && 0 <= set) && values == 0) && set <= 0) && 0 <= set) && set == 0) && 0 <= set) && 0 <= \old(size)) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && \result == 0) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && "0" == 0) && n == 0) && #NULL == 0) || ((((((((((((((0 <= values && 0 <= "0") && 0 <= set) && x <= 0) && v == 0) && values == 0) && set == 0) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && "0" == 0) && n == 0) && #NULL == 0) [2021-10-29 05:07:53,266 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((0 <= values && 0 <= v) && set <= 0) && size <= 0) && i == 0) && 0 <= "0") && v < 100000) && 0 <= set) && x <= 0) && 0 <= set) && \old(size) <= 0) && 0 <= set) && values == 0) && set <= 0) && 0 <= set) && set == 0) && 0 <= set) && 0 <= \old(size)) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && "0" == 0) && n == 0) && #NULL == 0 [2021-10-29 05:07:53,266 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((0 <= values && 0 <= v) && set <= 0) && size <= 0) && i == 0) && 0 <= "0") && v < 100000) && 0 <= set) && x <= 0) && 0 <= set) && \old(size) <= 0) && 0 <= set) && values == 0) && set <= 0) && 0 <= set) && set == 0) && 0 <= set) && 0 <= \old(size)) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && \result == 0) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && "0" == 0) && n == 0) && #NULL == 0 [2021-10-29 05:07:53,267 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((0 <= values && 0 <= v) && set <= 0) && size <= 0) && i == 0) && 0 <= "0") && v < 100000) && 0 <= set) && x <= 0) && 0 <= set) && \old(size) <= 0) && 0 <= set) && values == 0) && set <= 0) && 0 <= set) && set == 0) && 0 <= set) && 0 <= \old(size)) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && \result == 0) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && "0" == 0) && n == 0) && #NULL == 0 [2021-10-29 05:07:53,299 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:07:53,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:07:53,300 INFO L168 Benchmark]: Toolchain (without parser) took 11683.81 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 97.0 MB in the beginning and 80.6 MB in the end (delta: 16.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:53,300 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory was 54.6 MB in the beginning and 54.6 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:07:53,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.54 ms. Allocated memory is still 132.1 MB. Free memory was 96.7 MB in the beginning and 108.4 MB in the end (delta: -11.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:53,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.49 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 106.7 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:07:53,301 INFO L168 Benchmark]: Boogie Preprocessor took 41.26 ms. Allocated memory is still 132.1 MB. Free memory was 106.7 MB in the beginning and 105.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:53,301 INFO L168 Benchmark]: RCFGBuilder took 873.15 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 83.8 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:53,301 INFO L168 Benchmark]: TraceAbstraction took 10315.19 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 83.6 MB in the beginning and 85.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 94.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:53,302 INFO L168 Benchmark]: Witness Printer took 83.63 ms. Allocated memory is still 199.2 MB. Free memory was 84.8 MB in the beginning and 80.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:53,303 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory was 54.6 MB in the beginning and 54.6 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 307.54 ms. Allocated memory is still 132.1 MB. Free memory was 96.7 MB in the beginning and 108.4 MB in the end (delta: -11.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.49 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 106.7 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.26 ms. Allocated memory is still 132.1 MB. Free memory was 106.7 MB in the beginning and 105.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 873.15 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 83.8 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10315.19 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 83.6 MB in the beginning and 85.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 94.3 MB. Max. memory is 16.1 GB. * Witness Printer took 83.63 ms. Allocated memory is still 199.2 MB. Free memory was 84.8 MB in the beginning and 80.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 90 SDtfs, 88 SDslu, 96 SDs, 0 SdLazy, 138 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 110 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=3, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 31 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 27 NumberOfFragments, 532 HoareAnnotationTreeSize, 11 FomulaSimplifications, 345 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 11 FomulaSimplificationsInter, 798 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 421 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 32/42 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME[ms]: 4101, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 22, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 47, TOOLS_POST_TIME[ms]: 3136, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 47, TOOLS_QUANTIFIERELIM_TIME[ms]: 3110, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 571, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 111, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 1, DOMAIN_JOIN_TIME[ms]: 52, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 734, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 50, DOMAIN_ISBOTTOM_APPLICATIONS: 22, DOMAIN_ISBOTTOM_TIME[ms]: 23, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3231, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3230, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 26, DAG_COMPRESSION_PROCESSED_NODES: 288, DAG_COMPRESSION_RETAINED_NODES: 93, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((x == 0 && 0 <= "0") && 0 <= set) && set == 0) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "0" == 0) && n == 0) && #NULL == 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((0 <= values && 0 <= v) && set <= 0) && size <= 0) && i == 0) && 0 <= "0") && v < 100000) && 0 <= set) && x <= 0) && 0 <= set) && \old(size) <= 0) && 0 <= set) && values == 0) && set <= 0) && 0 <= set) && set == 0) && 0 <= set) && 0 <= \old(size)) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && \result == 0) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && "0" == 0) && n == 0) && #NULL == 0 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: (((((((((((((0 <= values && 0 <= v) && 0 <= "0") && 0 <= set) && x <= 0) && values == 0) && set == 0) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && "0" == 0) && n == 0) && #NULL == 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((0 <= values && 0 <= v) && set <= 0) && size <= 0) && i == 0) && 0 <= "0") && 0 <= set) && x <= 0) && 0 <= set) && \old(size) <= 0) && 0 <= set) && values == 0) && set <= 0) && 0 <= set) && set == 0) && 0 <= set) && 0 <= \old(size)) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && \result == 0) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && "0" == 0) && n == 0) && #NULL == 0) || ((((((((((((((0 <= values && 0 <= "0") && 0 <= set) && x <= 0) && v == 0) && values == 0) && set == 0) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && "0" == 0) && n == 0) && #NULL == 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((0 <= values && 0 <= v) && set <= 0) && size <= 0) && i == 0) && 0 <= "0") && v < 100000) && 0 <= set) && x <= 0) && 0 <= set) && \old(size) <= 0) && 0 <= set) && values == 0) && set <= 0) && 0 <= set) && set == 0) && 0 <= set) && 0 <= \old(size)) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && \result == 0) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && "0" == 0) && n == 0) && #NULL == 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((((((((x == 0 && 0 <= "0") && 0 <= set) && set == 0) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "0" == 0) && n == 0) && #NULL == 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((0 <= values && 0 <= v) && set <= 0) && size <= 0) && i == 0) && 0 <= "0") && v < 100000) && 0 <= set) && x <= 0) && 0 <= set) && \old(size) <= 0) && 0 <= set) && values == 0) && set <= 0) && 0 <= set) && set == 0) && 0 <= set) && 0 <= \old(size)) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && "0" == 0) && n == 0) && #NULL == 0 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((0 <= "0" && 0 <= set) && set == 0) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && "0" == 0) && n == 0) && #NULL == 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:07:53,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71cb2d5-4881-4049-90a1-6b72782236c7/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...