./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/systemc/bist_cell.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/systemc/bist_cell.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8 --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 6e1b5c8fd87acd5e9c1ad1566c2fb65080de7370 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/systemc/bist_cell.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8 --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 6e1b5c8fd87acd5e9c1ad1566c2fb65080de7370 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:11:43,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:11:43,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:11:43,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:11:43,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:11:43,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:11:43,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:11:43,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:11:43,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:11:43,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:11:43,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:11:43,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:11:43,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:11:43,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:11:43,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:11:43,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:11:43,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:11:43,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:11:43,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:11:43,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:11:43,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:11:43,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:11:43,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:11:43,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:11:43,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:11:43,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:11:43,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:11:43,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:11:43,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:11:43,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:11:43,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:11:43,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:11:43,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:11:43,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:11:43,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:11:43,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:11:43,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:11:43,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:11:43,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:11:43,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:11:43,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:11:43,736 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:11:43,796 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:11:43,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:11:43,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:11:43,798 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:11:43,799 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:11:43,799 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:11:43,800 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:11:43,800 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:11:43,800 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:11:43,800 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:11:43,809 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:11:43,810 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:11:43,810 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:11:43,811 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:11:43,811 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:11:43,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:11:43,813 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:11:43,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:11:43,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:11:43,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:11:43,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:11:43,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:11:43,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:11:43,815 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:11:43,815 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:11:43,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:11:43,816 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:11:43,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:11:43,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:11:43,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:11:43,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:11:43,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:11:43,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:11:43,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:11:43,821 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:11:43,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:11:43,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:11:43,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:11:43,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:11:43,823 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_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e1b5c8fd87acd5e9c1ad1566c2fb65080de7370 [2021-10-13 07:11:44,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:11:44,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:11:44,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:11:44,232 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:11:44,233 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:11:44,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/systemc/bist_cell.cil.c [2021-10-13 07:11:44,312 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/data/65b327d52/540cf62bb1c643aba5bed222136e204f/FLAGeb7d7f0d6 [2021-10-13 07:11:44,925 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:11:44,926 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/sv-benchmarks/c/systemc/bist_cell.cil.c [2021-10-13 07:11:44,938 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/data/65b327d52/540cf62bb1c643aba5bed222136e204f/FLAGeb7d7f0d6 [2021-10-13 07:11:45,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/data/65b327d52/540cf62bb1c643aba5bed222136e204f [2021-10-13 07:11:45,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:11:45,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:11:45,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:11:45,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:11:45,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:11:45,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:11:45" (1/1) ... [2021-10-13 07:11:45,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f9379a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:45, skipping insertion in model container [2021-10-13 07:11:45,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:11:45" (1/1) ... [2021-10-13 07:11:45,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:11:45,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:11:45,631 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_f26d5181-658a-48bf-87dc-afc599d0e0ef/sv-benchmarks/c/systemc/bist_cell.cil.c[334,347] [2021-10-13 07:11:45,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:11:45,729 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:11:45,746 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_f26d5181-658a-48bf-87dc-afc599d0e0ef/sv-benchmarks/c/systemc/bist_cell.cil.c[334,347] [2021-10-13 07:11:45,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:11:45,825 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:11:45,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:45 WrapperNode [2021-10-13 07:11:45,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:11:45,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:11:45,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:11:45,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:11:45,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:45" (1/1) ... [2021-10-13 07:11:45,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:45" (1/1) ... [2021-10-13 07:11:45,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:11:45,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:11:45,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:11:45,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:11:45,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:45" (1/1) ... [2021-10-13 07:11:45,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:45" (1/1) ... [2021-10-13 07:11:45,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:45" (1/1) ... [2021-10-13 07:11:45,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:45" (1/1) ... [2021-10-13 07:11:45,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:45" (1/1) ... [2021-10-13 07:11:45,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:45" (1/1) ... [2021-10-13 07:11:45,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:45" (1/1) ... [2021-10-13 07:11:45,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:11:45,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:11:45,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:11:45,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:11:45,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:45" (1/1) ... [2021-10-13 07:11:45,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:11:45,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:11:46,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:11:46,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:11:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:11:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:11:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:11:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:11:47,998 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:11:47,999 INFO L299 CfgBuilder]: Removed 64 assume(true) statements. [2021-10-13 07:11:48,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:11:48 BoogieIcfgContainer [2021-10-13 07:11:48,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:11:48,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:11:48,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:11:48,010 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:11:48,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:11:45" (1/3) ... [2021-10-13 07:11:48,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@446920c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:11:48, skipping insertion in model container [2021-10-13 07:11:48,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:45" (2/3) ... [2021-10-13 07:11:48,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@446920c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:11:48, skipping insertion in model container [2021-10-13 07:11:48,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:11:48" (3/3) ... [2021-10-13 07:11:48,015 INFO L111 eAbstractionObserver]: Analyzing ICFG bist_cell.cil.c [2021-10-13 07:11:48,026 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:11:48,026 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:11:48,098 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:11:48,106 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, mConcurrency=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 [2021-10-13 07:11:48,106 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:11:48,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 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) [2021-10-13 07:11:48,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 07:11:48,130 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:11:48,131 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-13 07:11:48,131 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:11:48,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:11:48,136 INFO L82 PathProgramCache]: Analyzing trace with hash 20809704, now seen corresponding path program 1 times [2021-10-13 07:11:48,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:11:48,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421675237] [2021-10-13 07:11:48,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:11:48,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:11:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:11:48,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:11:48,379 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:11:48,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421675237] [2021-10-13 07:11:48,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421675237] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:11:48,381 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:11:48,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 07:11:48,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56924780] [2021-10-13 07:11:48,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:11:48,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:11:48,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:11:48,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:11:48,412 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2021-10-13 07:11:48,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:11:48,431 INFO L93 Difference]: Finished difference Result 21 states and 29 transitions. [2021-10-13 07:11:48,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:11:48,432 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2021-10-13 07:11:48,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:11:48,446 INFO L225 Difference]: With dead ends: 21 [2021-10-13 07:11:48,446 INFO L226 Difference]: Without dead ends: 9 [2021-10-13 07:11:48,451 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:11:48,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-10-13 07:11:48,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-10-13 07:11:48,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 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) [2021-10-13 07:11:48,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-10-13 07:11:48,486 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 4 [2021-10-13 07:11:48,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:11:48,487 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-10-13 07:11:48,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2021-10-13 07:11:48,487 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-10-13 07:11:48,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 07:11:48,488 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:11:48,488 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:11:48,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:11:48,489 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:11:48,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:11:48,493 INFO L82 PathProgramCache]: Analyzing trace with hash 84178130, now seen corresponding path program 1 times [2021-10-13 07:11:48,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:11:48,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522921755] [2021-10-13 07:11:48,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:11:48,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:11:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:11:48,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:11:48,706 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:11:48,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522921755] [2021-10-13 07:11:48,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522921755] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:11:48,707 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:11:48,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 07:11:48,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423612679] [2021-10-13 07:11:48,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:11:48,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:11:48,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:11:48,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:11:48,710 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:11:48,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:11:48,750 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2021-10-13 07:11:48,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:11:48,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-13 07:11:48,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:11:48,752 INFO L225 Difference]: With dead ends: 20 [2021-10-13 07:11:48,753 INFO L226 Difference]: Without dead ends: 17 [2021-10-13 07:11:48,754 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:11:48,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-10-13 07:11:48,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 14. [2021-10-13 07:11:48,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 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) [2021-10-13 07:11:48,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2021-10-13 07:11:48,761 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 8 [2021-10-13 07:11:48,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:11:48,762 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-10-13 07:11:48,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:11:48,763 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-10-13 07:11:48,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 07:11:48,764 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:11:48,764 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:11:48,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 07:11:48,765 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:11:48,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:11:48,776 INFO L82 PathProgramCache]: Analyzing trace with hash -375332924, now seen corresponding path program 1 times [2021-10-13 07:11:48,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:11:48,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062346521] [2021-10-13 07:11:48,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:11:48,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:11:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:11:48,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:11:48,947 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:11:48,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062346521] [2021-10-13 07:11:48,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062346521] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 07:11:48,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554695917] [2021-10-13 07:11:48,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:11:48,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:11:48,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:11:48,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:11:48,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 07:11:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:11:49,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-13 07:11:49,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:11:49,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:11:49,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:11:51,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:11:51,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554695917] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:11:51,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1430989738] [2021-10-13 07:11:51,458 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-10-13 07:11:51,459 INFO L166 IcfgInterpreter]: Building call graph [2021-10-13 07:11:51,466 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-13 07:11:51,473 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-13 07:11:51,474 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-13 07:11:51,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:51,536 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:11:51,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:51,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-13 07:11:51,544 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:11:51,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:51,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-13 07:11:51,552 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:11:51,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:51,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-13 07:11:51,559 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:11:51,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:51,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-10-13 07:11:51,566 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:11:51,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:51,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-10-13 07:11:51,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:11:51,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:51,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 225 [2021-10-13 07:11:51,601 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:11:51,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:51,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-10-13 07:11:51,661 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:11:51,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:51,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-13 07:11:51,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:11:51,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:51,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-13 07:11:51,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 775 [2021-10-13 07:11:51,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:51,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:51,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:51,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:51,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:51,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:51,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:51,866 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:51,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:51,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:51,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:51,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:51,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:51,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:51,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:51,896 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:51,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:51,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:51,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:51,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:51,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:51,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:51,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:51,926 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:51,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:11:51,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:11:51,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:11:52,062 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-10-13 07:11:52,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 43 treesize of output 42 [2021-10-13 07:11:52,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-13 07:11:52,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-13 07:11:52,070 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,099 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,131 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,164 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,192 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,225 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,253 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,281 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,310 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,335 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,360 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,387 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,412 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,438 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,467 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,491 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,516 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,541 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,565 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,590 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,633 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,663 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,692 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,715 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,739 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,766 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,790 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,811 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,832 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,852 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,871 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,891 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,912 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,932 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,951 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,969 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:52,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:52,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:52,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:52,989 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,008 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,027 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,044 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,060 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,080 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,097 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,114 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,131 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,152 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,168 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,184 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,201 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,217 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,232 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,258 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,273 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,290 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,304 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,325 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,339 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,352 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,363 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,375 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:11:53,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-13 07:11:53,386 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:11:53,425 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:11:53,452 INFO L180 QuantifierPusher]: treesize reduction 20, result has 90.5 percent of original size [2021-10-13 07:11:53,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 190 [2021-10-13 07:11:53,458 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-13 07:11:53,458 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 1 variables, input treesize:14529, output treesize:190 [2021-10-13 07:11:53,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:11:53,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:11:53,683 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: No corresponding IProgramVar for |v_#length_25| at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:92) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:81) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.predicate(SymbolicTools.java:174) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-13 07:11:53,687 INFO L168 Benchmark]: Toolchain (without parser) took 8421.98 ms. Allocated memory was 115.3 MB in the beginning and 197.1 MB in the end (delta: 81.8 MB). Free memory was 73.2 MB in the beginning and 164.4 MB in the end (delta: -91.2 MB). Peak memory consumption was 98.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:11:53,688 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 115.3 MB. Free memory is still 89.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:11:53,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.31 ms. Allocated memory is still 115.3 MB. Free memory was 73.0 MB in the beginning and 86.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:11:53,688 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.01 ms. Allocated memory is still 115.3 MB. Free memory was 86.8 MB in the beginning and 84.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:11:53,688 INFO L168 Benchmark]: Boogie Preprocessor took 42.62 ms. Allocated memory is still 115.3 MB. Free memory was 84.6 MB in the beginning and 82.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:11:53,688 INFO L168 Benchmark]: RCFGBuilder took 2057.30 ms. Allocated memory was 115.3 MB in the beginning and 163.6 MB in the end (delta: 48.2 MB). Free memory was 82.6 MB in the beginning and 97.5 MB in the end (delta: -14.9 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:11:53,689 INFO L168 Benchmark]: TraceAbstraction took 5682.05 ms. Allocated memory was 163.6 MB in the beginning and 197.1 MB in the end (delta: 33.6 MB). Free memory was 96.4 MB in the beginning and 164.4 MB in the end (delta: -68.0 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:11:53,690 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 115.3 MB. Free memory is still 89.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 555.31 ms. Allocated memory is still 115.3 MB. Free memory was 73.0 MB in the beginning and 86.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.01 ms. Allocated memory is still 115.3 MB. Free memory was 86.8 MB in the beginning and 84.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.62 ms. Allocated memory is still 115.3 MB. Free memory was 84.6 MB in the beginning and 82.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2057.30 ms. Allocated memory was 115.3 MB in the beginning and 163.6 MB in the end (delta: 48.2 MB). Free memory was 82.6 MB in the beginning and 97.5 MB in the end (delta: -14.9 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5682.05 ms. Allocated memory was 163.6 MB in the beginning and 197.1 MB in the end (delta: 33.6 MB). Free memory was 96.4 MB in the beginning and 164.4 MB in the end (delta: -68.0 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for |v_#length_25| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No corresponding IProgramVar for |v_#length_25|: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 07:11:53,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:11:56,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:11:56,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:11:56,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:11:56,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:11:56,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:11:56,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:11:56,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:11:56,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:11:56,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:11:56,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:11:56,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:11:56,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:11:56,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:11:56,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:11:56,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:11:56,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:11:56,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:11:56,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:11:56,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:11:56,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:11:56,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:11:56,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:11:56,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:11:56,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:11:56,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:11:56,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:11:56,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:11:56,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:11:56,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:11:56,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:11:56,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:11:56,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:11:56,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:11:56,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:11:56,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:11:56,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:11:56,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:11:56,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:11:56,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:11:56,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:11:56,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:11:56,732 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:11:56,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:11:56,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:11:56,735 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:11:56,735 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:11:56,735 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:11:56,736 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:11:56,736 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:11:56,736 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:11:56,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:11:56,739 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:11:56,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:11:56,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:11:56,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:11:56,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:11:56,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:11:56,741 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:11:56,741 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:11:56,741 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:11:56,742 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:11:56,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:11:56,742 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:11:56,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:11:56,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:11:56,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:11:56,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:11:56,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:11:56,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:11:56,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:11:56,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:11:56,745 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:11:56,745 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:11:56,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:11:56,745 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:11:56,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:11:56,746 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e1b5c8fd87acd5e9c1ad1566c2fb65080de7370 [2021-10-13 07:11:57,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:11:57,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:11:57,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:11:57,178 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:11:57,178 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:11:57,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/systemc/bist_cell.cil.c [2021-10-13 07:11:57,270 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/data/b206b11c0/ae55e8d7987548d6b85d6a0873a1dda0/FLAGa75665cf2 [2021-10-13 07:11:57,882 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:11:57,883 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/sv-benchmarks/c/systemc/bist_cell.cil.c [2021-10-13 07:11:57,893 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/data/b206b11c0/ae55e8d7987548d6b85d6a0873a1dda0/FLAGa75665cf2 [2021-10-13 07:11:58,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/data/b206b11c0/ae55e8d7987548d6b85d6a0873a1dda0 [2021-10-13 07:11:58,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:11:58,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:11:58,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:11:58,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:11:58,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:11:58,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:11:58" (1/1) ... [2021-10-13 07:11:58,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5404b834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:58, skipping insertion in model container [2021-10-13 07:11:58,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:11:58" (1/1) ... [2021-10-13 07:11:58,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:11:58,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:11:58,439 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_f26d5181-658a-48bf-87dc-afc599d0e0ef/sv-benchmarks/c/systemc/bist_cell.cil.c[334,347] [2021-10-13 07:11:58,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:11:58,514 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:11:58,539 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_f26d5181-658a-48bf-87dc-afc599d0e0ef/sv-benchmarks/c/systemc/bist_cell.cil.c[334,347] [2021-10-13 07:11:58,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:11:58,646 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:11:58,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:58 WrapperNode [2021-10-13 07:11:58,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:11:58,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:11:58,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:11:58,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:11:58,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:58" (1/1) ... [2021-10-13 07:11:58,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:58" (1/1) ... [2021-10-13 07:11:58,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:11:58,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:11:58,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:11:58,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:11:58,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:58" (1/1) ... [2021-10-13 07:11:58,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:58" (1/1) ... [2021-10-13 07:11:58,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:58" (1/1) ... [2021-10-13 07:11:58,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:58" (1/1) ... [2021-10-13 07:11:58,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:58" (1/1) ... [2021-10-13 07:11:58,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:58" (1/1) ... [2021-10-13 07:11:58,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:58" (1/1) ... [2021-10-13 07:11:58,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:11:58,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:11:58,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:11:58,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:11:58,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:58" (1/1) ... [2021-10-13 07:11:58,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:11:58,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:11:58,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:11:58,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:11:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:11:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:11:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:11:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:11:59,525 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:11:59,525 INFO L299 CfgBuilder]: Removed 64 assume(true) statements. [2021-10-13 07:11:59,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:11:59 BoogieIcfgContainer [2021-10-13 07:11:59,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:11:59,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:11:59,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:11:59,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:11:59,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:11:58" (1/3) ... [2021-10-13 07:11:59,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36816778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:11:59, skipping insertion in model container [2021-10-13 07:11:59,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:58" (2/3) ... [2021-10-13 07:11:59,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36816778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:11:59, skipping insertion in model container [2021-10-13 07:11:59,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:11:59" (3/3) ... [2021-10-13 07:11:59,546 INFO L111 eAbstractionObserver]: Analyzing ICFG bist_cell.cil.c [2021-10-13 07:11:59,551 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:11:59,552 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:11:59,644 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:11:59,655 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, mConcurrency=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 [2021-10-13 07:11:59,655 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:11:59,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 106 states have (on average 1.6981132075471699) internal successors, (180), 107 states have internal predecessors, (180), 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) [2021-10-13 07:11:59,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 07:11:59,689 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:11:59,690 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:11:59,691 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:11:59,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:11:59,707 INFO L82 PathProgramCache]: Analyzing trace with hash -2133595601, now seen corresponding path program 1 times [2021-10-13 07:11:59,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:11:59,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088483269] [2021-10-13 07:11:59,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:11:59,728 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:11:59,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:11:59,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:11:59,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:11:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:11:59,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:11:59,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:00,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:00,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:00,115 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:00,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088483269] [2021-10-13 07:12:00,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088483269] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:00,116 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:00,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:12:00,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116565297] [2021-10-13 07:12:00,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:12:00,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:00,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:12:00,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:12:00,154 INFO L87 Difference]: Start difference. First operand has 108 states, 106 states have (on average 1.6981132075471699) internal successors, (180), 107 states have internal predecessors, (180), 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 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-10-13 07:12:00,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:00,183 INFO L93 Difference]: Finished difference Result 179 states and 297 transitions. [2021-10-13 07:12:00,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:12:00,185 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 27 [2021-10-13 07:12:00,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:00,197 INFO L225 Difference]: With dead ends: 179 [2021-10-13 07:12:00,197 INFO L226 Difference]: Without dead ends: 104 [2021-10-13 07:12:00,200 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:12:00,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-13 07:12:00,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-10-13 07:12:00,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.6601941747572815) internal successors, (171), 103 states have internal predecessors, (171), 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) [2021-10-13 07:12:00,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 171 transitions. [2021-10-13 07:12:00,286 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 171 transitions. Word has length 27 [2021-10-13 07:12:00,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:00,287 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 171 transitions. [2021-10-13 07:12:00,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-10-13 07:12:00,287 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2021-10-13 07:12:00,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-10-13 07:12:00,290 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:00,291 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:00,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:00,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:00,503 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:00,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:00,504 INFO L82 PathProgramCache]: Analyzing trace with hash -355082148, now seen corresponding path program 1 times [2021-10-13 07:12:00,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:00,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1377583797] [2021-10-13 07:12:00,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:00,506 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:00,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:00,508 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:00,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:12:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:00,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:12:00,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:00,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:00,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:01,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:01,089 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:01,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1377583797] [2021-10-13 07:12:01,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1377583797] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:01,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:01,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:12:01,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408924231] [2021-10-13 07:12:01,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:12:01,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:01,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:12:01,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:01,100 INFO L87 Difference]: Start difference. First operand 104 states and 171 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-10-13 07:12:01,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:01,169 INFO L93 Difference]: Finished difference Result 202 states and 334 transitions. [2021-10-13 07:12:01,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:12:01,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2021-10-13 07:12:01,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:01,175 INFO L225 Difference]: With dead ends: 202 [2021-10-13 07:12:01,177 INFO L226 Difference]: Without dead ends: 104 [2021-10-13 07:12:01,180 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:01,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-13 07:12:01,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-10-13 07:12:01,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.6504854368932038) internal successors, (170), 103 states have internal predecessors, (170), 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) [2021-10-13 07:12:01,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 170 transitions. [2021-10-13 07:12:01,212 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 170 transitions. Word has length 64 [2021-10-13 07:12:01,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:01,215 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 170 transitions. [2021-10-13 07:12:01,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-10-13 07:12:01,216 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 170 transitions. [2021-10-13 07:12:01,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-13 07:12:01,221 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:01,223 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:01,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:01,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:01,436 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:01,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:01,443 INFO L82 PathProgramCache]: Analyzing trace with hash 431895830, now seen corresponding path program 1 times [2021-10-13 07:12:01,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:01,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1945712862] [2021-10-13 07:12:01,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:01,445 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:01,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:01,447 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:01,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:12:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:01,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:12:01,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:01,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:01,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:02,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:02,129 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:02,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1945712862] [2021-10-13 07:12:02,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1945712862] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:02,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:02,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:12:02,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057348832] [2021-10-13 07:12:02,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:12:02,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:02,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:12:02,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:02,132 INFO L87 Difference]: Start difference. First operand 104 states and 170 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2021-10-13 07:12:02,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:02,161 INFO L93 Difference]: Finished difference Result 199 states and 328 transitions. [2021-10-13 07:12:02,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:12:02,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 66 [2021-10-13 07:12:02,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:02,166 INFO L225 Difference]: With dead ends: 199 [2021-10-13 07:12:02,166 INFO L226 Difference]: Without dead ends: 104 [2021-10-13 07:12:02,167 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:02,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-13 07:12:02,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-10-13 07:12:02,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.6407766990291262) internal successors, (169), 103 states have internal predecessors, (169), 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) [2021-10-13 07:12:02,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 169 transitions. [2021-10-13 07:12:02,178 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 169 transitions. Word has length 66 [2021-10-13 07:12:02,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:02,183 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 169 transitions. [2021-10-13 07:12:02,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2021-10-13 07:12:02,185 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 169 transitions. [2021-10-13 07:12:02,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-13 07:12:02,188 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:02,188 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:02,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:02,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:02,395 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:02,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:02,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1220222108, now seen corresponding path program 1 times [2021-10-13 07:12:02,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:02,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1760777770] [2021-10-13 07:12:02,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:02,398 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:02,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:02,400 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:02,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:12:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:02,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:12:02,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:02,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:02,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:03,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:03,048 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:03,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1760777770] [2021-10-13 07:12:03,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1760777770] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:03,049 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:03,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:12:03,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084464049] [2021-10-13 07:12:03,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:12:03,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:03,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:12:03,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:03,052 INFO L87 Difference]: Start difference. First operand 104 states and 169 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2021-10-13 07:12:03,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:03,087 INFO L93 Difference]: Finished difference Result 196 states and 322 transitions. [2021-10-13 07:12:03,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:12:03,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 68 [2021-10-13 07:12:03,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:03,089 INFO L225 Difference]: With dead ends: 196 [2021-10-13 07:12:03,090 INFO L226 Difference]: Without dead ends: 104 [2021-10-13 07:12:03,091 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:03,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-13 07:12:03,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-10-13 07:12:03,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.6310679611650485) internal successors, (168), 103 states have internal predecessors, (168), 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) [2021-10-13 07:12:03,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 168 transitions. [2021-10-13 07:12:03,101 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 168 transitions. Word has length 68 [2021-10-13 07:12:03,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:03,102 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 168 transitions. [2021-10-13 07:12:03,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2021-10-13 07:12:03,103 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 168 transitions. [2021-10-13 07:12:03,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-13 07:12:03,104 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:03,105 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:03,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:03,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:03,315 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:03,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:03,316 INFO L82 PathProgramCache]: Analyzing trace with hash -2086729770, now seen corresponding path program 1 times [2021-10-13 07:12:03,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:03,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194793344] [2021-10-13 07:12:03,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:03,317 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:03,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:03,319 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:03,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:12:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:03,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:12:03,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:03,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:03,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:03,948 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:03,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194793344] [2021-10-13 07:12:03,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194793344] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:03,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:03,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:12:03,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931219318] [2021-10-13 07:12:03,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:12:03,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:03,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:12:03,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:03,962 INFO L87 Difference]: Start difference. First operand 104 states and 168 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2021-10-13 07:12:03,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:03,984 INFO L93 Difference]: Finished difference Result 193 states and 316 transitions. [2021-10-13 07:12:03,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:12:03,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 70 [2021-10-13 07:12:03,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:03,998 INFO L225 Difference]: With dead ends: 193 [2021-10-13 07:12:04,002 INFO L226 Difference]: Without dead ends: 104 [2021-10-13 07:12:04,003 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:04,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-13 07:12:04,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-10-13 07:12:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.6213592233009708) internal successors, (167), 103 states have internal predecessors, (167), 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) [2021-10-13 07:12:04,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 167 transitions. [2021-10-13 07:12:04,016 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 167 transitions. Word has length 70 [2021-10-13 07:12:04,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:04,017 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 167 transitions. [2021-10-13 07:12:04,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2021-10-13 07:12:04,018 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 167 transitions. [2021-10-13 07:12:04,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-13 07:12:04,030 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:04,030 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:04,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:04,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:04,247 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:04,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:04,248 INFO L82 PathProgramCache]: Analyzing trace with hash 541706460, now seen corresponding path program 1 times [2021-10-13 07:12:04,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:04,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417566924] [2021-10-13 07:12:04,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:04,249 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:04,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:04,250 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:04,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:12:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:04,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:12:04,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:04,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:04,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:04,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:04,901 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:04,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417566924] [2021-10-13 07:12:04,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [417566924] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:04,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:04,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:12:04,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104306237] [2021-10-13 07:12:04,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:12:04,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:04,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:12:04,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:12:04,906 INFO L87 Difference]: Start difference. First operand 104 states and 167 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 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) [2021-10-13 07:12:04,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:04,965 INFO L93 Difference]: Finished difference Result 278 states and 454 transitions. [2021-10-13 07:12:04,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:12:04,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 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 72 [2021-10-13 07:12:04,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:04,968 INFO L225 Difference]: With dead ends: 278 [2021-10-13 07:12:04,968 INFO L226 Difference]: Without dead ends: 198 [2021-10-13 07:12:04,970 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:12:04,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-10-13 07:12:05,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 195. [2021-10-13 07:12:05,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 194 states have (on average 1.6288659793814433) internal successors, (316), 194 states have internal predecessors, (316), 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) [2021-10-13 07:12:05,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 316 transitions. [2021-10-13 07:12:05,003 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 316 transitions. Word has length 72 [2021-10-13 07:12:05,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:05,004 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 316 transitions. [2021-10-13 07:12:05,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 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) [2021-10-13 07:12:05,004 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 316 transitions. [2021-10-13 07:12:05,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-13 07:12:05,006 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:05,006 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:05,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:05,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:05,215 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:05,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:05,216 INFO L82 PathProgramCache]: Analyzing trace with hash 60533476, now seen corresponding path program 1 times [2021-10-13 07:12:05,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:05,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489154544] [2021-10-13 07:12:05,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:05,217 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:05,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:05,218 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:05,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:12:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:05,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:12:05,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:05,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:05,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:05,807 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:05,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489154544] [2021-10-13 07:12:05,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1489154544] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:05,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:05,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:12:05,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500754141] [2021-10-13 07:12:05,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:12:05,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:05,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:12:05,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:12:05,811 INFO L87 Difference]: Start difference. First operand 195 states and 316 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 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) [2021-10-13 07:12:05,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:05,932 INFO L93 Difference]: Finished difference Result 416 states and 655 transitions. [2021-10-13 07:12:05,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 07:12:05,933 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 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 72 [2021-10-13 07:12:05,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:05,936 INFO L225 Difference]: With dead ends: 416 [2021-10-13 07:12:05,936 INFO L226 Difference]: Without dead ends: 278 [2021-10-13 07:12:05,938 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 70.7ms TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-10-13 07:12:05,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-10-13 07:12:05,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 201. [2021-10-13 07:12:05,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 200 states have (on average 1.61) internal successors, (322), 200 states have internal predecessors, (322), 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) [2021-10-13 07:12:05,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 322 transitions. [2021-10-13 07:12:05,957 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 322 transitions. Word has length 72 [2021-10-13 07:12:05,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:05,957 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 322 transitions. [2021-10-13 07:12:05,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 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) [2021-10-13 07:12:05,958 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 322 transitions. [2021-10-13 07:12:05,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-13 07:12:05,959 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:05,959 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:05,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:06,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:06,173 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:06,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:06,174 INFO L82 PathProgramCache]: Analyzing trace with hash -333833310, now seen corresponding path program 1 times [2021-10-13 07:12:06,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:06,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1949672427] [2021-10-13 07:12:06,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:06,175 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:06,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:06,176 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:06,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 07:12:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:06,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:12:06,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:06,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:06,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:06,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:06,823 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:06,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1949672427] [2021-10-13 07:12:06,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1949672427] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:06,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:06,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:12:06,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231296967] [2021-10-13 07:12:06,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:12:06,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:06,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:12:06,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:06,832 INFO L87 Difference]: Start difference. First operand 201 states and 322 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2021-10-13 07:12:06,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:06,876 INFO L93 Difference]: Finished difference Result 422 states and 674 transitions. [2021-10-13 07:12:06,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:12:06,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 72 [2021-10-13 07:12:06,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:06,880 INFO L225 Difference]: With dead ends: 422 [2021-10-13 07:12:06,880 INFO L226 Difference]: Without dead ends: 278 [2021-10-13 07:12:06,881 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:06,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-10-13 07:12:06,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 275. [2021-10-13 07:12:06,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 274 states have (on average 1.594890510948905) internal successors, (437), 274 states have internal predecessors, (437), 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) [2021-10-13 07:12:06,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 437 transitions. [2021-10-13 07:12:06,903 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 437 transitions. Word has length 72 [2021-10-13 07:12:06,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:06,904 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 437 transitions. [2021-10-13 07:12:06,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2021-10-13 07:12:06,904 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 437 transitions. [2021-10-13 07:12:06,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-13 07:12:06,906 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:06,906 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:06,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:07,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:07,121 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:07,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:07,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1594439392, now seen corresponding path program 1 times [2021-10-13 07:12:07,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:07,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991425965] [2021-10-13 07:12:07,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:07,123 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:07,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:07,125 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:07,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 07:12:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:07,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:12:07,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:07,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:07,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:07,945 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:07,945 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991425965] [2021-10-13 07:12:07,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [991425965] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:07,945 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:07,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:12:07,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394184478] [2021-10-13 07:12:07,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:12:07,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:07,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:12:07,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:12:07,949 INFO L87 Difference]: Start difference. First operand 275 states and 437 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 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) [2021-10-13 07:12:08,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:08,088 INFO L93 Difference]: Finished difference Result 777 states and 1216 transitions. [2021-10-13 07:12:08,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:12:08,089 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 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 72 [2021-10-13 07:12:08,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:08,094 INFO L225 Difference]: With dead ends: 777 [2021-10-13 07:12:08,095 INFO L226 Difference]: Without dead ends: 575 [2021-10-13 07:12:08,096 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 56.6ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:12:08,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2021-10-13 07:12:08,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 287. [2021-10-13 07:12:08,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 286 states have (on average 1.56993006993007) internal successors, (449), 286 states have internal predecessors, (449), 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) [2021-10-13 07:12:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 449 transitions. [2021-10-13 07:12:08,127 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 449 transitions. Word has length 72 [2021-10-13 07:12:08,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:08,128 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 449 transitions. [2021-10-13 07:12:08,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 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) [2021-10-13 07:12:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 449 transitions. [2021-10-13 07:12:08,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-13 07:12:08,130 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:08,130 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:08,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:08,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:08,352 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:08,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:08,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1043865723, now seen corresponding path program 1 times [2021-10-13 07:12:08,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:08,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1527612263] [2021-10-13 07:12:08,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:08,353 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:08,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:08,354 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:08,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 07:12:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:08,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:12:08,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:08,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:08,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:09,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:09,005 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:09,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1527612263] [2021-10-13 07:12:09,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1527612263] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:09,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:09,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:12:09,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769838596] [2021-10-13 07:12:09,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:12:09,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:09,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:12:09,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:09,008 INFO L87 Difference]: Start difference. First operand 287 states and 449 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-10-13 07:12:09,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:09,066 INFO L93 Difference]: Finished difference Result 581 states and 909 transitions. [2021-10-13 07:12:09,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:12:09,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 75 [2021-10-13 07:12:09,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:09,069 INFO L225 Difference]: With dead ends: 581 [2021-10-13 07:12:09,070 INFO L226 Difference]: Without dead ends: 343 [2021-10-13 07:12:09,070 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:09,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2021-10-13 07:12:09,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 331. [2021-10-13 07:12:09,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 330 states have (on average 1.5454545454545454) internal successors, (510), 330 states have internal predecessors, (510), 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) [2021-10-13 07:12:09,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 510 transitions. [2021-10-13 07:12:09,105 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 510 transitions. Word has length 75 [2021-10-13 07:12:09,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:09,106 INFO L470 AbstractCegarLoop]: Abstraction has 331 states and 510 transitions. [2021-10-13 07:12:09,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-10-13 07:12:09,106 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 510 transitions. [2021-10-13 07:12:09,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-13 07:12:09,108 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:09,108 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:09,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:09,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:09,321 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:09,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:09,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1477594809, now seen corresponding path program 1 times [2021-10-13 07:12:09,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:09,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525998197] [2021-10-13 07:12:09,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:09,322 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:09,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:09,323 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:09,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-13 07:12:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:09,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:12:09,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:09,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:09,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:10,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:10,037 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:10,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525998197] [2021-10-13 07:12:10,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525998197] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:10,037 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:10,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:12:10,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853598657] [2021-10-13 07:12:10,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:12:10,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:10,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:12:10,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:10,039 INFO L87 Difference]: Start difference. First operand 331 states and 510 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-10-13 07:12:10,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:10,105 INFO L93 Difference]: Finished difference Result 678 states and 1047 transitions. [2021-10-13 07:12:10,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:12:10,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 75 [2021-10-13 07:12:10,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:10,108 INFO L225 Difference]: With dead ends: 678 [2021-10-13 07:12:10,109 INFO L226 Difference]: Without dead ends: 384 [2021-10-13 07:12:10,110 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:10,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2021-10-13 07:12:10,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 382. [2021-10-13 07:12:10,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 381 states have (on average 1.5328083989501313) internal successors, (584), 381 states have internal predecessors, (584), 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) [2021-10-13 07:12:10,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 584 transitions. [2021-10-13 07:12:10,141 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 584 transitions. Word has length 75 [2021-10-13 07:12:10,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:10,141 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 584 transitions. [2021-10-13 07:12:10,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-10-13 07:12:10,142 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 584 transitions. [2021-10-13 07:12:10,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-13 07:12:10,144 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:10,144 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:10,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:10,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:10,357 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:10,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:10,357 INFO L82 PathProgramCache]: Analyzing trace with hash 510244155, now seen corresponding path program 1 times [2021-10-13 07:12:10,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:10,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122246740] [2021-10-13 07:12:10,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:10,358 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:10,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:10,359 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:10,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-13 07:12:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:10,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:12:10,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:10,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:10,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:11,086 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:11,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1122246740] [2021-10-13 07:12:11,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1122246740] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:11,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:11,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:12:11,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325672593] [2021-10-13 07:12:11,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:12:11,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:11,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:12:11,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:12:11,088 INFO L87 Difference]: Start difference. First operand 382 states and 584 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2021-10-13 07:12:11,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:11,129 INFO L93 Difference]: Finished difference Result 655 states and 995 transitions. [2021-10-13 07:12:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:12:11,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 75 [2021-10-13 07:12:11,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:11,131 INFO L225 Difference]: With dead ends: 655 [2021-10-13 07:12:11,132 INFO L226 Difference]: Without dead ends: 296 [2021-10-13 07:12:11,133 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:12:11,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-10-13 07:12:11,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2021-10-13 07:12:11,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 295 states have (on average 1.494915254237288) internal successors, (441), 295 states have internal predecessors, (441), 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) [2021-10-13 07:12:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 441 transitions. [2021-10-13 07:12:11,158 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 441 transitions. Word has length 75 [2021-10-13 07:12:11,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:11,159 INFO L470 AbstractCegarLoop]: Abstraction has 296 states and 441 transitions. [2021-10-13 07:12:11,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2021-10-13 07:12:11,159 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 441 transitions. [2021-10-13 07:12:11,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-13 07:12:11,161 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:11,161 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:11,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:11,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:11,375 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:11,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:11,375 INFO L82 PathProgramCache]: Analyzing trace with hash 969577782, now seen corresponding path program 1 times [2021-10-13 07:12:11,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:11,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1456608576] [2021-10-13 07:12:11,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:11,376 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:11,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:11,377 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:11,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 07:12:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:11,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:12:11,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:12,011 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:12,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:12,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:12,248 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:12,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1456608576] [2021-10-13 07:12:12,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1456608576] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:12,249 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:12,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 07:12:12,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449158875] [2021-10-13 07:12:12,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:12:12,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:12,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:12:12,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:12:12,250 INFO L87 Difference]: Start difference. First operand 296 states and 441 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 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) [2021-10-13 07:12:12,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:12,300 INFO L93 Difference]: Finished difference Result 508 states and 761 transitions. [2021-10-13 07:12:12,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:12:12,300 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 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 86 [2021-10-13 07:12:12,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:12,303 INFO L225 Difference]: With dead ends: 508 [2021-10-13 07:12:12,303 INFO L226 Difference]: Without dead ends: 263 [2021-10-13 07:12:12,304 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 19.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:12:12,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2021-10-13 07:12:12,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2021-10-13 07:12:12,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 262 states have (on average 1.4809160305343512) internal successors, (388), 262 states have internal predecessors, (388), 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) [2021-10-13 07:12:12,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 388 transitions. [2021-10-13 07:12:12,337 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 388 transitions. Word has length 86 [2021-10-13 07:12:12,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:12,339 INFO L470 AbstractCegarLoop]: Abstraction has 263 states and 388 transitions. [2021-10-13 07:12:12,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 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) [2021-10-13 07:12:12,339 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 388 transitions. [2021-10-13 07:12:12,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-10-13 07:12:12,344 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:12,344 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:12,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:12,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:12,557 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:12,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:12,558 INFO L82 PathProgramCache]: Analyzing trace with hash -272932917, now seen corresponding path program 1 times [2021-10-13 07:12:12,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:12,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720820749] [2021-10-13 07:12:12,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:12,561 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:12,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:12,562 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:12,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-13 07:12:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:13,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:12:13,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:13,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:13,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:13,516 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:13,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [720820749] [2021-10-13 07:12:13,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [720820749] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:13,516 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:13,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 07:12:13,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051070618] [2021-10-13 07:12:13,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:12:13,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:13,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:12:13,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:12:13,518 INFO L87 Difference]: Start difference. First operand 263 states and 388 transitions. Second operand has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 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) [2021-10-13 07:12:13,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:13,580 INFO L93 Difference]: Finished difference Result 475 states and 704 transitions. [2021-10-13 07:12:13,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:12:13,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 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 87 [2021-10-13 07:12:13,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:13,583 INFO L225 Difference]: With dead ends: 475 [2021-10-13 07:12:13,583 INFO L226 Difference]: Without dead ends: 263 [2021-10-13 07:12:13,584 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 20.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:12:13,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2021-10-13 07:12:13,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2021-10-13 07:12:13,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 262 states have (on average 1.465648854961832) internal successors, (384), 262 states have internal predecessors, (384), 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) [2021-10-13 07:12:13,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 384 transitions. [2021-10-13 07:12:13,613 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 384 transitions. Word has length 87 [2021-10-13 07:12:13,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:13,613 INFO L470 AbstractCegarLoop]: Abstraction has 263 states and 384 transitions. [2021-10-13 07:12:13,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 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) [2021-10-13 07:12:13,614 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 384 transitions. [2021-10-13 07:12:13,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-10-13 07:12:13,615 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:13,615 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:13,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:13,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:13,834 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:13,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:13,834 INFO L82 PathProgramCache]: Analyzing trace with hash 754091632, now seen corresponding path program 1 times [2021-10-13 07:12:13,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:13,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [780907660] [2021-10-13 07:12:13,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:13,836 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:13,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:13,837 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:13,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-13 07:12:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:14,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:12:14,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:14,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:14,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:14,633 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:14,633 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:14,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [780907660] [2021-10-13 07:12:14,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [780907660] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:14,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:14,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:12:14,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674149406] [2021-10-13 07:12:14,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:12:14,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:14,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:12:14,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:14,636 INFO L87 Difference]: Start difference. First operand 263 states and 384 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2021-10-13 07:12:14,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:14,700 INFO L93 Difference]: Finished difference Result 673 states and 984 transitions. [2021-10-13 07:12:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:12:14,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 88 [2021-10-13 07:12:14,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:14,704 INFO L225 Difference]: With dead ends: 673 [2021-10-13 07:12:14,704 INFO L226 Difference]: Without dead ends: 461 [2021-10-13 07:12:14,706 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:14,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2021-10-13 07:12:14,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 269. [2021-10-13 07:12:14,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 268 states have (on average 1.455223880597015) internal successors, (390), 268 states have internal predecessors, (390), 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) [2021-10-13 07:12:14,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 390 transitions. [2021-10-13 07:12:14,736 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 390 transitions. Word has length 88 [2021-10-13 07:12:14,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:14,737 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 390 transitions. [2021-10-13 07:12:14,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2021-10-13 07:12:14,738 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 390 transitions. [2021-10-13 07:12:14,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-13 07:12:14,739 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:14,739 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:14,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:14,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:14,952 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:14,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:14,953 INFO L82 PathProgramCache]: Analyzing trace with hash -715020230, now seen corresponding path program 1 times [2021-10-13 07:12:14,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:14,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629144790] [2021-10-13 07:12:14,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:14,954 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:14,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:14,955 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:15,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-13 07:12:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:15,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:12:15,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:15,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:15,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:15,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:15,998 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:15,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629144790] [2021-10-13 07:12:15,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629144790] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:15,998 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:15,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 07:12:15,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246118564] [2021-10-13 07:12:15,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:12:16,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:16,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:12:16,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:12:16,001 INFO L87 Difference]: Start difference. First operand 269 states and 390 transitions. Second operand has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 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) [2021-10-13 07:12:16,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:16,060 INFO L93 Difference]: Finished difference Result 479 states and 692 transitions. [2021-10-13 07:12:16,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:12:16,061 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 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 89 [2021-10-13 07:12:16,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:16,063 INFO L225 Difference]: With dead ends: 479 [2021-10-13 07:12:16,063 INFO L226 Difference]: Without dead ends: 261 [2021-10-13 07:12:16,064 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 18.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:12:16,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2021-10-13 07:12:16,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2021-10-13 07:12:16,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 260 states have (on average 1.4230769230769231) internal successors, (370), 260 states have internal predecessors, (370), 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) [2021-10-13 07:12:16,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 370 transitions. [2021-10-13 07:12:16,098 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 370 transitions. Word has length 89 [2021-10-13 07:12:16,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:16,098 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 370 transitions. [2021-10-13 07:12:16,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 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) [2021-10-13 07:12:16,099 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 370 transitions. [2021-10-13 07:12:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-10-13 07:12:16,100 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:16,101 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:16,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:16,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:16,314 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:16,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:16,315 INFO L82 PathProgramCache]: Analyzing trace with hash -995630559, now seen corresponding path program 1 times [2021-10-13 07:12:16,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:16,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748710582] [2021-10-13 07:12:16,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:16,315 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:16,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:16,316 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:16,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-13 07:12:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:16,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:12:16,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:17,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:17,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:17,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:17,358 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:17,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1748710582] [2021-10-13 07:12:17,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1748710582] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:17,359 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:17,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:12:17,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34453863] [2021-10-13 07:12:17,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:12:17,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:17,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:12:17,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:17,362 INFO L87 Difference]: Start difference. First operand 261 states and 370 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2021-10-13 07:12:17,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:17,426 INFO L93 Difference]: Finished difference Result 677 states and 960 transitions. [2021-10-13 07:12:17,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:12:17,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 90 [2021-10-13 07:12:17,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:17,430 INFO L225 Difference]: With dead ends: 677 [2021-10-13 07:12:17,431 INFO L226 Difference]: Without dead ends: 467 [2021-10-13 07:12:17,432 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:17,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2021-10-13 07:12:17,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 269. [2021-10-13 07:12:17,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 268 states have (on average 1.4104477611940298) internal successors, (378), 268 states have internal predecessors, (378), 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) [2021-10-13 07:12:17,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 378 transitions. [2021-10-13 07:12:17,472 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 378 transitions. Word has length 90 [2021-10-13 07:12:17,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:17,472 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 378 transitions. [2021-10-13 07:12:17,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2021-10-13 07:12:17,473 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 378 transitions. [2021-10-13 07:12:17,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-10-13 07:12:17,474 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:17,475 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:17,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:17,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:17,689 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:17,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:17,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1893023837, now seen corresponding path program 1 times [2021-10-13 07:12:17,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:17,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [907857974] [2021-10-13 07:12:17,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:17,690 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:17,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:17,691 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:17,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-10-13 07:12:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:18,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:12:18,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:18,544 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:18,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:18,788 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:18,788 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:18,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [907857974] [2021-10-13 07:12:18,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [907857974] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:18,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:18,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:12:18,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607522606] [2021-10-13 07:12:18,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:12:18,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:18,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:12:18,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:18,791 INFO L87 Difference]: Start difference. First operand 269 states and 378 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2021-10-13 07:12:18,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:18,856 INFO L93 Difference]: Finished difference Result 573 states and 796 transitions. [2021-10-13 07:12:18,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:12:18,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 90 [2021-10-13 07:12:18,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:18,860 INFO L225 Difference]: With dead ends: 573 [2021-10-13 07:12:18,860 INFO L226 Difference]: Without dead ends: 355 [2021-10-13 07:12:18,861 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:12:18,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-10-13 07:12:18,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 311. [2021-10-13 07:12:18,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 310 states have (on average 1.4064516129032258) internal successors, (436), 310 states have internal predecessors, (436), 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) [2021-10-13 07:12:18,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 436 transitions. [2021-10-13 07:12:18,903 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 436 transitions. Word has length 90 [2021-10-13 07:12:18,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:18,904 INFO L470 AbstractCegarLoop]: Abstraction has 311 states and 436 transitions. [2021-10-13 07:12:18,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2021-10-13 07:12:18,904 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 436 transitions. [2021-10-13 07:12:18,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-13 07:12:18,906 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:18,906 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:18,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:19,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:19,123 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:19,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:19,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1064241767, now seen corresponding path program 1 times [2021-10-13 07:12:19,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:19,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799090674] [2021-10-13 07:12:19,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:19,124 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:19,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:19,126 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:19,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-13 07:12:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:19,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:12:19,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:20,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:20,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:20,645 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:20,645 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:20,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799090674] [2021-10-13 07:12:20,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1799090674] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 07:12:20,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 07:12:20,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2021-10-13 07:12:20,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518489747] [2021-10-13 07:12:20,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:12:20,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:20,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:12:20,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:12:20,648 INFO L87 Difference]: Start difference. First operand 311 states and 436 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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) [2021-10-13 07:12:20,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:20,737 INFO L93 Difference]: Finished difference Result 739 states and 1028 transitions. [2021-10-13 07:12:20,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:12:20,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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 92 [2021-10-13 07:12:20,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:20,742 INFO L225 Difference]: With dead ends: 739 [2021-10-13 07:12:20,742 INFO L226 Difference]: Without dead ends: 461 [2021-10-13 07:12:20,743 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 16.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:12:20,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2021-10-13 07:12:20,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 440. [2021-10-13 07:12:20,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 439 states have (on average 1.3849658314350797) internal successors, (608), 439 states have internal predecessors, (608), 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) [2021-10-13 07:12:20,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 608 transitions. [2021-10-13 07:12:20,825 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 608 transitions. Word has length 92 [2021-10-13 07:12:20,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:20,826 INFO L470 AbstractCegarLoop]: Abstraction has 440 states and 608 transitions. [2021-10-13 07:12:20,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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) [2021-10-13 07:12:20,826 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 608 transitions. [2021-10-13 07:12:20,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-13 07:12:20,828 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:20,828 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:20,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:21,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:21,043 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:21,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:21,044 INFO L82 PathProgramCache]: Analyzing trace with hash -816095273, now seen corresponding path program 1 times [2021-10-13 07:12:21,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:21,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [116925182] [2021-10-13 07:12:21,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:21,045 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:21,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:21,046 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:21,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-10-13 07:12:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:21,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:12:21,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:22,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:22,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:22,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:22,390 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:22,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [116925182] [2021-10-13 07:12:22,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [116925182] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:22,392 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:22,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:12:22,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256254541] [2021-10-13 07:12:22,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:12:22,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:22,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:12:22,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:12:22,394 INFO L87 Difference]: Start difference. First operand 440 states and 608 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2021-10-13 07:12:22,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:22,554 INFO L93 Difference]: Finished difference Result 1521 states and 2119 transitions. [2021-10-13 07:12:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:12:22,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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 92 [2021-10-13 07:12:22,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:22,561 INFO L225 Difference]: With dead ends: 1521 [2021-10-13 07:12:22,562 INFO L226 Difference]: Without dead ends: 1115 [2021-10-13 07:12:22,563 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:12:22,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2021-10-13 07:12:22,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 449. [2021-10-13 07:12:22,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 448 states have (on average 1.3772321428571428) internal successors, (617), 448 states have internal predecessors, (617), 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) [2021-10-13 07:12:22,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 617 transitions. [2021-10-13 07:12:22,638 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 617 transitions. Word has length 92 [2021-10-13 07:12:22,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:22,639 INFO L470 AbstractCegarLoop]: Abstraction has 449 states and 617 transitions. [2021-10-13 07:12:22,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2021-10-13 07:12:22,639 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 617 transitions. [2021-10-13 07:12:22,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-13 07:12:22,641 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:22,641 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:22,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:22,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:22,863 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:22,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:22,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1725100329, now seen corresponding path program 1 times [2021-10-13 07:12:22,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:12:22,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914449378] [2021-10-13 07:12:22,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:22,865 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:12:22,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:12:22,865 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:12:22,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-10-13 07:12:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:23,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:12:23,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:12:23,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:23,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:12:24,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:12:24,133 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:12:24,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914449378] [2021-10-13 07:12:24,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914449378] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:24,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:24,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 07:12:24,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252696947] [2021-10-13 07:12:24,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:12:24,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:12:24,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:12:24,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:12:24,135 INFO L87 Difference]: Start difference. First operand 449 states and 617 transitions. Second operand has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 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) [2021-10-13 07:12:24,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:24,193 INFO L93 Difference]: Finished difference Result 568 states and 778 transitions. [2021-10-13 07:12:24,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:12:24,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 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 92 [2021-10-13 07:12:24,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:24,194 INFO L225 Difference]: With dead ends: 568 [2021-10-13 07:12:24,195 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:12:24,196 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 23.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:12:24,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:12:24,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:12:24,197 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) [2021-10-13 07:12:24,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:12:24,197 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 92 [2021-10-13 07:12:24,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:24,197 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:12:24,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 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) [2021-10-13 07:12:24,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:12:24,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:12:24,201 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:12:24,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-10-13 07:12:24,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:12:24,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:12:24,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:24,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:24,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:24,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:24,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:24,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:24,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:24,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:24,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:24,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:24,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:24,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:24,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:24,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:24,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:25,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:12:27,833 INFO L857 garLoopResultBuilder]: For program point L399(lines 399 404) no Hoare annotation was computed. [2021-10-13 07:12:27,833 INFO L853 garLoopResultBuilder]: At program point L333-1(lines 309 341) the Hoare annotation is: (and (= ~b0_ev~0 (_ bv1 32)) (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,834 INFO L853 garLoopResultBuilder]: At program point L267(lines 259 269) the Hoare annotation is: (let ((.cse0 (= ~b0_val_t~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ~z_ev~0)) (.cse2 (= ~d1_val_t~0 (_ bv1 32))) (.cse3 (= ~z_val~0 (_ bv0 32))) (.cse4 (= ~d1_val~0 (_ bv1 32))) (.cse5 (= ~b0_val~0 (_ bv1 32))) (.cse6 (= ~d0_val_t~0 (_ bv1 32))) (.cse7 (= (_ bv1 32) ~b1_val_t~0)) (.cse8 (= ~b1_val~0 (_ bv1 32))) (.cse9 (= ~d0_val~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (= (_ bv1 32) ULTIMATE.start_exists_runnable_thread_~__retres1~1) .cse4 (= ~comp_m1_st~0 (_ bv0 32)) .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~z_val_t~0 (_ bv0 32)) .cse6 .cse7 .cse8 .cse9))) [2021-10-13 07:12:27,834 INFO L853 garLoopResultBuilder]: At program point L366-3(lines 342 374) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,834 INFO L853 garLoopResultBuilder]: At program point L333-3(lines 309 341) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,834 INFO L853 garLoopResultBuilder]: At program point L267-1(lines 259 269) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,835 INFO L853 garLoopResultBuilder]: At program point L268(lines 256 270) the Hoare annotation is: (let ((.cse0 (= ~b0_val_t~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ~z_ev~0)) (.cse2 (= ~d1_val_t~0 (_ bv1 32))) (.cse3 (= ~z_val~0 (_ bv0 32))) (.cse4 (= ~d1_val~0 (_ bv1 32))) (.cse5 (= ~b0_val~0 (_ bv1 32))) (.cse6 (= ~d0_val_t~0 (_ bv1 32))) (.cse7 (= (_ bv1 32) ~b1_val_t~0)) (.cse8 (= ~b1_val~0 (_ bv1 32))) (.cse9 (= ~d0_val~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~z_val_t~0 (_ bv0 32)) .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_exists_runnable_thread_#res| (_ bv1 32)) .cse3 (= (_ bv1 32) ULTIMATE.start_exists_runnable_thread_~__retres1~1) .cse4 (= ~comp_m1_st~0 (_ bv0 32)) .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-10-13 07:12:27,835 INFO L853 garLoopResultBuilder]: At program point L268-1(lines 256 270) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,835 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 118) no Hoare annotation was computed. [2021-10-13 07:12:27,835 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 103 118) no Hoare annotation was computed. [2021-10-13 07:12:27,835 INFO L857 garLoopResultBuilder]: For program point L71(lines 43 93) no Hoare annotation was computed. [2021-10-13 07:12:27,835 INFO L860 garLoopResultBuilder]: At program point L501(lines 485 503) the Hoare annotation is: true [2021-10-13 07:12:27,836 INFO L853 garLoopResultBuilder]: At program point L303(lines 271 308) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,836 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 210) no Hoare annotation was computed. [2021-10-13 07:12:27,836 INFO L853 garLoopResultBuilder]: At program point L204-1(lines 203 241) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~b0_ev~0 (_ bv0 32)) (= ~b1_req_up~0 (_ bv1 32)) (= ~comp_m1_st~0 (_ bv0 32)) (= ~d1_req_up~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_req_up~0 (_ bv1 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0)) [2021-10-13 07:12:27,836 INFO L857 garLoopResultBuilder]: For program point L204-2(lines 204 210) no Hoare annotation was computed. [2021-10-13 07:12:27,836 INFO L853 garLoopResultBuilder]: At program point L204-3(lines 203 241) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,836 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 76) no Hoare annotation was computed. [2021-10-13 07:12:27,836 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 117) no Hoare annotation was computed. [2021-10-13 07:12:27,837 INFO L857 garLoopResultBuilder]: For program point L107-1(lines 107 117) no Hoare annotation was computed. [2021-10-13 07:12:27,837 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 179) no Hoare annotation was computed. [2021-10-13 07:12:27,837 INFO L857 garLoopResultBuilder]: For program point L174-2(lines 174 179) no Hoare annotation was computed. [2021-10-13 07:12:27,837 INFO L857 garLoopResultBuilder]: For program point L174-3(lines 174 179) no Hoare annotation was computed. [2021-10-13 07:12:27,837 INFO L857 garLoopResultBuilder]: For program point L174-5(lines 174 179) no Hoare annotation was computed. [2021-10-13 07:12:27,837 INFO L853 garLoopResultBuilder]: At program point L406(lines 395 408) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,837 INFO L853 garLoopResultBuilder]: At program point L407(lines 391 409) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,838 INFO L857 garLoopResultBuilder]: For program point L44(lines 44 52) no Hoare annotation was computed. [2021-10-13 07:12:27,838 INFO L857 garLoopResultBuilder]: For program point L44-1(lines 43 93) no Hoare annotation was computed. [2021-10-13 07:12:27,838 INFO L857 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2021-10-13 07:12:27,838 INFO L857 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2021-10-13 07:12:27,838 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 149) no Hoare annotation was computed. [2021-10-13 07:12:27,838 INFO L857 garLoopResultBuilder]: For program point L111(lines 111 116) no Hoare annotation was computed. [2021-10-13 07:12:27,838 INFO L857 garLoopResultBuilder]: For program point L144-2(lines 144 149) no Hoare annotation was computed. [2021-10-13 07:12:27,843 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 111 116) no Hoare annotation was computed. [2021-10-13 07:12:27,843 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 49) no Hoare annotation was computed. [2021-10-13 07:12:27,843 INFO L857 garLoopResultBuilder]: For program point L144-3(lines 144 149) no Hoare annotation was computed. [2021-10-13 07:12:27,844 INFO L857 garLoopResultBuilder]: For program point L144-5(lines 144 149) no Hoare annotation was computed. [2021-10-13 07:12:27,844 INFO L853 garLoopResultBuilder]: At program point L211(lines 203 241) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~b0_ev~0 (_ bv0 32)) (= ~comp_m1_st~0 (_ bv0 32)) (= ~d1_req_up~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_req_up~0 (_ bv1 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32))) [2021-10-13 07:12:27,844 INFO L853 garLoopResultBuilder]: At program point L211-1(lines 203 241) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,844 INFO L857 garLoopResultBuilder]: For program point L278(line 278) no Hoare annotation was computed. [2021-10-13 07:12:27,845 INFO L857 garLoopResultBuilder]: For program point L346-1(lines 345 373) no Hoare annotation was computed. [2021-10-13 07:12:27,845 INFO L857 garLoopResultBuilder]: For program point L313-1(lines 312 340) no Hoare annotation was computed. [2021-10-13 07:12:27,845 INFO L857 garLoopResultBuilder]: For program point L313-2(lines 313 317) no Hoare annotation was computed. [2021-10-13 07:12:27,846 INFO L857 garLoopResultBuilder]: For program point L346-3(lines 345 373) no Hoare annotation was computed. [2021-10-13 07:12:27,846 INFO L853 garLoopResultBuilder]: At program point L247-1(lines 313 317) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~b0_ev~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,846 INFO L857 garLoopResultBuilder]: For program point L313-4(lines 312 340) no Hoare annotation was computed. [2021-10-13 07:12:27,846 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 87) no Hoare annotation was computed. [2021-10-13 07:12:27,847 INFO L857 garLoopResultBuilder]: For program point L83-2(lines 80 88) no Hoare annotation was computed. [2021-10-13 07:12:27,847 INFO L853 garLoopResultBuilder]: At program point L447(lines 493 499) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (not (= (_ bv0 32) ~z_ev~0)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,848 INFO L857 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2021-10-13 07:12:27,848 INFO L857 garLoopResultBuilder]: For program point L282-1(lines 277 302) no Hoare annotation was computed. [2021-10-13 07:12:27,849 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 386) no Hoare annotation was computed. [2021-10-13 07:12:27,849 INFO L853 garLoopResultBuilder]: At program point L382-2(lines 346 350) the Hoare annotation is: (and (= ~b0_ev~0 (_ bv1 32)) (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~comp_m1_st~0 (_ bv0 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,849 INFO L857 garLoopResultBuilder]: For program point L382-3(lines 382 386) no Hoare annotation was computed. [2021-10-13 07:12:27,850 INFO L853 garLoopResultBuilder]: At program point L382-5(lines 346 350) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,850 INFO L853 garLoopResultBuilder]: At program point L482(lines 453 484) the Hoare annotation is: (and (= ~b0_val~0 (_ bv0 32)) (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~b1_req_up~0 (_ bv1 32)) (= ~comp_m1_st~0 (_ bv0 32)) (= ~d1_req_up~0 (_ bv1 32)) (= ~b0_req_up~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_req_up~0 (_ bv1 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0)) [2021-10-13 07:12:27,850 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:12:27,850 INFO L853 garLoopResultBuilder]: At program point L218(lines 203 241) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~b0_ev~0 (_ bv0 32)) (= ~comp_m1_st~0 (_ bv0 32)) (= ~d1_req_up~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,851 INFO L853 garLoopResultBuilder]: At program point L218-1(lines 203 241) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,851 INFO L857 garLoopResultBuilder]: For program point L53(lines 43 93) no Hoare annotation was computed. [2021-10-13 07:12:27,851 INFO L857 garLoopResultBuilder]: For program point L351-1(lines 345 373) no Hoare annotation was computed. [2021-10-13 07:12:27,851 INFO L857 garLoopResultBuilder]: For program point L318-1(lines 312 340) no Hoare annotation was computed. [2021-10-13 07:12:27,851 INFO L857 garLoopResultBuilder]: For program point L351-3(lines 345 373) no Hoare annotation was computed. [2021-10-13 07:12:27,852 INFO L857 garLoopResultBuilder]: For program point L318-3(lines 312 340) no Hoare annotation was computed. [2021-10-13 07:12:27,852 INFO L857 garLoopResultBuilder]: For program point L54(lines 54 58) no Hoare annotation was computed. [2021-10-13 07:12:27,852 INFO L853 garLoopResultBuilder]: At program point L121(lines 98 123) the Hoare annotation is: (and (= ~b0_ev~0 (_ bv1 32)) (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= (_ bv1 32) ULTIMATE.start_is_method1_triggered_~__retres1~0) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,852 INFO L853 garLoopResultBuilder]: At program point L121-1(lines 98 123) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,853 INFO L853 garLoopResultBuilder]: At program point L287(lines 277 302) the Hoare annotation is: (let ((.cse0 (= ~b0_val_t~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ~z_ev~0)) (.cse2 (= ~d1_val_t~0 (_ bv1 32))) (.cse3 (= ~z_val~0 (_ bv0 32))) (.cse4 (= ~d1_val~0 (_ bv1 32))) (.cse5 (= ~b0_val~0 (_ bv1 32))) (.cse6 (= ~d0_val_t~0 (_ bv1 32))) (.cse7 (= (_ bv1 32) ~b1_val_t~0)) (.cse8 (= ~b1_val~0 (_ bv1 32))) (.cse9 (= ~d0_val~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~comp_m1_st~0 (_ bv0 32)) .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~z_val_t~0 (_ bv0 32)) .cse6 .cse7 .cse8 .cse9))) [2021-10-13 07:12:27,853 INFO L853 garLoopResultBuilder]: At program point L122(lines 95 124) the Hoare annotation is: (and (= ~b0_ev~0 (_ bv1 32)) (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= |ULTIMATE.start_is_method1_triggered_#res| (_ bv1 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= (_ bv1 32) ULTIMATE.start_is_method1_triggered_~__retres1~0) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,853 INFO L853 garLoopResultBuilder]: At program point L122-1(lines 95 124) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,853 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 194) no Hoare annotation was computed. [2021-10-13 07:12:27,854 INFO L857 garLoopResultBuilder]: For program point L189-2(lines 189 194) no Hoare annotation was computed. [2021-10-13 07:12:27,854 INFO L857 garLoopResultBuilder]: For program point L189-3(lines 189 194) no Hoare annotation was computed. [2021-10-13 07:12:27,854 INFO L857 garLoopResultBuilder]: For program point L189-5(lines 189 194) no Hoare annotation was computed. [2021-10-13 07:12:27,854 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:12:27,854 INFO L857 garLoopResultBuilder]: For program point L356-1(lines 345 373) no Hoare annotation was computed. [2021-10-13 07:12:27,855 INFO L857 garLoopResultBuilder]: For program point L323-1(lines 312 340) no Hoare annotation was computed. [2021-10-13 07:12:27,855 INFO L857 garLoopResultBuilder]: For program point L356-3(lines 345 373) no Hoare annotation was computed. [2021-10-13 07:12:27,855 INFO L857 garLoopResultBuilder]: For program point L323-3(lines 312 340) no Hoare annotation was computed. [2021-10-13 07:12:27,855 INFO L857 garLoopResultBuilder]: For program point L291(lines 291 298) no Hoare annotation was computed. [2021-10-13 07:12:27,855 INFO L853 garLoopResultBuilder]: At program point L225(lines 203 241) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~b0_ev~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~comp_m1_st~0 (_ bv0 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,856 INFO L853 garLoopResultBuilder]: At program point L225-1(lines 203 241) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,856 INFO L857 garLoopResultBuilder]: For program point L159(lines 159 164) no Hoare annotation was computed. [2021-10-13 07:12:27,856 INFO L857 garLoopResultBuilder]: For program point L159-2(lines 159 164) no Hoare annotation was computed. [2021-10-13 07:12:27,856 INFO L857 garLoopResultBuilder]: For program point L159-3(lines 159 164) no Hoare annotation was computed. [2021-10-13 07:12:27,856 INFO L857 garLoopResultBuilder]: For program point L159-5(lines 159 164) no Hoare annotation was computed. [2021-10-13 07:12:27,857 INFO L853 garLoopResultBuilder]: At program point L424-1(lines 342 446) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,857 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:12:27,857 INFO L857 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-10-13 07:12:27,857 INFO L857 garLoopResultBuilder]: For program point L260(lines 260 265) no Hoare annotation was computed. [2021-10-13 07:12:27,857 INFO L857 garLoopResultBuilder]: For program point L260-1(lines 260 265) no Hoare annotation was computed. [2021-10-13 07:12:27,858 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 134) no Hoare annotation was computed. [2021-10-13 07:12:27,858 INFO L857 garLoopResultBuilder]: For program point L129-2(lines 129 134) no Hoare annotation was computed. [2021-10-13 07:12:27,858 INFO L857 garLoopResultBuilder]: For program point L129-3(lines 129 134) no Hoare annotation was computed. [2021-10-13 07:12:27,859 INFO L857 garLoopResultBuilder]: For program point L129-5(lines 129 134) no Hoare annotation was computed. [2021-10-13 07:12:27,859 INFO L860 garLoopResultBuilder]: At program point L493(lines 493 499) the Hoare annotation is: true [2021-10-13 07:12:27,859 INFO L857 garLoopResultBuilder]: For program point L361-1(lines 345 373) no Hoare annotation was computed. [2021-10-13 07:12:27,860 INFO L857 garLoopResultBuilder]: For program point L328-1(lines 312 340) no Hoare annotation was computed. [2021-10-13 07:12:27,860 INFO L857 garLoopResultBuilder]: For program point L361-3(lines 345 373) no Hoare annotation was computed. [2021-10-13 07:12:27,860 INFO L857 garLoopResultBuilder]: For program point L328-3(lines 312 340) no Hoare annotation was computed. [2021-10-13 07:12:27,860 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 69) no Hoare annotation was computed. [2021-10-13 07:12:27,860 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:12:27,861 INFO L857 garLoopResultBuilder]: For program point L65-2(lines 43 93) no Hoare annotation was computed. [2021-10-13 07:12:27,861 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2021-10-13 07:12:27,861 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 119) no Hoare annotation was computed. [2021-10-13 07:12:27,861 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 99 119) no Hoare annotation was computed. [2021-10-13 07:12:27,861 INFO L853 garLoopResultBuilder]: At program point L232(lines 247 251) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~b0_ev~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~comp_m1_st~0 (_ bv0 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,862 INFO L853 garLoopResultBuilder]: At program point L232-1(lines 200 242) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-13 07:12:27,867 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:12:27,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:12:27 BoogieIcfgContainer [2021-10-13 07:12:27,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:12:27,949 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:12:27,949 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:12:27,949 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:12:27,950 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:11:59" (3/4) ... [2021-10-13 07:12:27,954 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:12:27,975 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-13 07:12:27,976 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 07:12:27,977 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:12:27,978 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:12:28,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((b0_ev == 1bv32 && b0_val_t == 1bv32) && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && \result == 1bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && 1bv32 == __retres1) && d0_val == 1bv32 [2021-10-13 07:12:28,014 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32) || ((((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && \result == 1bv32) && z_val == 0bv32) && 1bv32 == __retres1) && d1_val == 1bv32) && comp_m1_st == 0bv32) && b0_val == 1bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32) [2021-10-13 07:12:28,071 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:12:28,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:12:28,073 INFO L168 Benchmark]: Toolchain (without parser) took 29856.41 ms. Allocated memory was 54.5 MB in the beginning and 144.7 MB in the end (delta: 90.2 MB). Free memory was 30.6 MB in the beginning and 108.2 MB in the end (delta: -77.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:12:28,074 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory was 34.8 MB in the beginning and 34.7 MB in the end (delta: 36.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:12:28,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.20 ms. Allocated memory is still 54.5 MB. Free memory was 30.4 MB in the beginning and 35.6 MB in the end (delta: -5.2 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:12:28,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.10 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 33.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:12:28,075 INFO L168 Benchmark]: Boogie Preprocessor took 72.20 ms. Allocated memory is still 54.5 MB. Free memory was 33.2 MB in the beginning and 31.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:12:28,076 INFO L168 Benchmark]: RCFGBuilder took 697.46 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.2 MB in the beginning and 34.2 MB in the end (delta: -3.0 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:12:28,076 INFO L168 Benchmark]: TraceAbstraction took 28418.74 ms. Allocated memory was 67.1 MB in the beginning and 144.7 MB in the end (delta: 77.6 MB). Free memory was 33.5 MB in the beginning and 116.6 MB in the end (delta: -83.1 MB). Peak memory consumption was 80.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:12:28,077 INFO L168 Benchmark]: Witness Printer took 122.62 ms. Allocated memory is still 144.7 MB. Free memory was 116.6 MB in the beginning and 108.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:12:28,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory was 34.8 MB in the beginning and 34.7 MB in the end (delta: 36.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 426.20 ms. Allocated memory is still 54.5 MB. Free memory was 30.4 MB in the beginning and 35.6 MB in the end (delta: -5.2 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.10 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 33.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.20 ms. Allocated memory is still 54.5 MB. Free memory was 33.2 MB in the beginning and 31.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 697.46 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.2 MB in the beginning and 34.2 MB in the end (delta: -3.0 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 28418.74 ms. Allocated memory was 67.1 MB in the beginning and 144.7 MB in the end (delta: 77.6 MB). Free memory was 33.5 MB in the beginning and 116.6 MB in the end (delta: -83.1 MB). Peak memory consumption was 80.8 MB. Max. memory is 16.1 GB. * Witness Printer took 122.62 ms. Allocated memory is still 144.7 MB. Free memory was 116.6 MB in the beginning and 108.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 11]: 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, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28224.8ms, OverallIterations: 21, TraceHistogramMax: 2, EmptinessCheckTime: 68.4ms, AutomataDifference: 1580.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 3417.3ms, InitialAbstractionConstructionTime: 18.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3492 SDtfs, 2899 SDslu, 4123 SDs, 0 SdLazy, 267 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 405.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3199 GetRequests, 3141 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 285.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=449occurred in iteration=20, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 690.8ms AutomataMinimizationTime, 21 MinimizatonAttempts, 1506 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 89 NumberOfFragments, 1228 HoareAnnotationTreeSize, 33 FomulaSimplifications, 39697 FormulaSimplificationTreeSizeReduction, 937.5ms HoareSimplificationTime, 33 FomulaSimplificationsInter, 7105 FormulaSimplificationTreeSizeReductionInter, 2457.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 374.5ms SsaConstructionTime, 999.1ms SatisfiabilityAnalysisTime, 9198.5ms InterpolantComputationTime, 1614 NumberOfCodeBlocks, 1614 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 3186 ConstructedInterpolants, 0 QuantifiedInterpolants, 5044 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3593 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 42 InterpolantComputations, 41 PerfectInterpolantSequences, 102/108 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && b0_ev == 0bv32) && comp_m1_st == 0bv32) && d1_req_up == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_req_up == 1bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && b0_ev == 0bv32) && d1_val == 1bv32) && comp_m1_st == 0bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && b0_ev == 0bv32) && comp_m1_st == 0bv32) && d1_req_up == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((((((((b0_ev == 1bv32 && b0_val_t == 1bv32) && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: ((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && b0_ev == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: (((((((((((b0_ev == 1bv32 && b0_val_t == 1bv32) && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && comp_m1_st == 0bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: ((((((((((((b0_ev == 1bv32 && b0_val_t == 1bv32) && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && \result == 1bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && 1bv32 == __retres1) && d0_val == 1bv32 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: ((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32) || ((((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && \result == 1bv32) && z_val == 0bv32) && 1bv32 == __retres1) && d1_val == 1bv32) && comp_m1_st == 0bv32) && b0_val == 1bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && b0_ev == 0bv32) && b1_req_up == 1bv32) && comp_m1_st == 0bv32) && d1_req_up == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_req_up == 1bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && 1bv32 == __retres1) && d1_val == 1bv32) && comp_m1_st == 0bv32) && b0_val == 1bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32) || ((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((((b0_ev == 1bv32 && b0_val_t == 1bv32) && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && 1bv32 == __retres1) && d0_val == 1bv32 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: (((((((b0_val_t == 1bv32 && z_val == 0bv32) && !(0bv32 == z_ev)) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: (((((((((((b0_val == 0bv32 && b0_val_t == 1bv32) && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && b1_req_up == 1bv32) && comp_m1_st == 0bv32) && d1_req_up == 1bv32) && b0_req_up == 1bv32) && z_val_t == 0bv32) && d0_req_up == 1bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && comp_m1_st == 0bv32) && b0_val == 1bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32) || ((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && b0_ev == 0bv32) && d1_val == 1bv32) && comp_m1_st == 0bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:12:28,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26d5181-658a-48bf-87dc-afc599d0e0ef/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...