./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH --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 e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:13:26,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:13:26,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:13:26,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:13:26,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:13:26,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:13:26,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:13:26,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:13:26,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:13:26,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:13:26,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:13:26,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:13:26,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:13:26,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:13:26,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:13:26,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:13:26,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:13:26,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:13:26,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:13:26,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:13:26,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:13:26,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:13:26,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:13:26,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:13:26,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:13:26,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:13:26,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:13:26,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:13:26,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:13:26,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:13:26,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:13:26,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:13:26,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:13:26,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:13:26,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:13:26,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:13:26,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:13:26,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:13:26,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:13:26,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:13:26,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:13:26,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:13:26,812 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:13:26,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:13:26,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:13:26,814 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:13:26,814 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:13:26,815 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:13:26,815 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:13:26,815 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:13:26,816 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:13:26,816 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:13:26,817 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:13:26,817 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:13:26,818 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:13:26,818 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:13:26,818 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:13:26,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:13:26,820 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:13:26,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:13:26,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:13:26,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:13:26,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:13:26,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:13:26,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:13:26,821 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:13:26,822 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:13:26,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:13:26,822 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:13:26,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:13:26,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:13:26,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:13:26,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:13:26,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:13:26,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:13:26,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:13:26,826 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:13:26,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:13:26,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:13:26,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:13:26,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:13:26,827 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_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2021-11-03 04:13:27,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:13:27,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:13:27,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:13:27,137 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:13:27,138 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:13:27,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-03 04:13:27,213 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/data/45f90c21d/7b1c47f7b597416589751bb549e645d6/FLAG5450979dd [2021-11-03 04:13:27,780 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:13:27,781 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-03 04:13:27,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/data/45f90c21d/7b1c47f7b597416589751bb549e645d6/FLAG5450979dd [2021-11-03 04:13:28,072 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/data/45f90c21d/7b1c47f7b597416589751bb549e645d6 [2021-11-03 04:13:28,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:13:28,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:13:28,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:13:28,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:13:28,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:13:28,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:13:28" (1/1) ... [2021-11-03 04:13:28,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732610e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:28, skipping insertion in model container [2021-11-03 04:13:28,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:13:28" (1/1) ... [2021-11-03 04:13:28,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:13:28,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:13:28,579 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_d3785c68-24ae-431f-819e-7d093c3147a4/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-03 04:13:28,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:13:28,764 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:13:28,790 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_d3785c68-24ae-431f-819e-7d093c3147a4/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-03 04:13:28,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:13:28,890 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:13:28,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:28 WrapperNode [2021-11-03 04:13:28,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:13:28,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:13:28,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:13:28,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:13:28,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:28" (1/1) ... [2021-11-03 04:13:28,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:28" (1/1) ... [2021-11-03 04:13:29,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:13:29,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:13:29,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:13:29,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:13:29,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:28" (1/1) ... [2021-11-03 04:13:29,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:28" (1/1) ... [2021-11-03 04:13:29,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:28" (1/1) ... [2021-11-03 04:13:29,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:28" (1/1) ... [2021-11-03 04:13:29,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:28" (1/1) ... [2021-11-03 04:13:29,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:28" (1/1) ... [2021-11-03 04:13:29,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:28" (1/1) ... [2021-11-03 04:13:29,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:13:29,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:13:29,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:13:29,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:13:29,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:28" (1/1) ... [2021-11-03 04:13:29,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:13:29,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:13:29,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:13:29,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:13:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 04:13:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 04:13:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:13:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:13:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:13:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:13:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 04:13:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:13:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:13:29,724 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 04:13:29,770 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 04:13:29,814 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 04:13:29,877 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 04:13:29,916 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 04:13:35,414 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##647: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 04:13:35,414 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##646: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 04:13:35,414 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-18: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 04:13:35,415 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-44: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 04:13:35,415 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-70: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 04:13:35,415 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-96: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 04:13:35,415 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-122: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 04:13:35,416 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1114: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 04:13:35,416 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1115: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 04:13:35,416 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-14: assume 0 != ~__CS_ret~0 % 256;reader_#res.base, reader_#res.offset := 0, 0; [2021-11-03 04:13:35,416 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-14: assume !(0 != ~__CS_ret~0 % 256); [2021-11-03 04:13:35,416 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-36: assume 0 != ~__CS_ret~0 % 256;reader_#res.base, reader_#res.offset := 0, 0; [2021-11-03 04:13:35,417 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-36: assume !(0 != ~__CS_ret~0 % 256); [2021-11-03 04:13:35,417 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-58: assume 0 != ~__CS_ret~0 % 256;reader_#res.base, reader_#res.offset := 0, 0; [2021-11-03 04:13:35,417 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-58: assume !(0 != ~__CS_ret~0 % 256); [2021-11-03 04:13:35,417 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##412: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 04:13:35,417 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-80: assume 0 != ~__CS_ret~0 % 256;reader_#res.base, reader_#res.offset := 0, 0; [2021-11-03 04:13:35,417 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-80: assume !(0 != ~__CS_ret~0 % 256); [2021-11-03 04:13:35,418 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##413: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 04:13:35,418 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-102: assume 0 != ~__CS_ret~0 % 256;reader_#res.base, reader_#res.offset := 0, 0; [2021-11-03 04:13:35,418 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-102: assume !(0 != ~__CS_ret~0 % 256); [2021-11-03 04:13:35,418 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-42: assume 0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 04:13:35,418 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-42: assume !(0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 04:13:35,418 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-44: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 04:13:35,419 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-108: assume 0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 04:13:35,419 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-108: assume !(0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 04:13:35,419 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-110: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 04:13:35,419 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##881: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 04:13:35,419 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##880: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 04:13:35,420 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-174: assume 0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 04:13:35,420 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-174: assume !(0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 04:13:35,420 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-176: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 04:13:35,420 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-240: assume 0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 04:13:35,420 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-240: assume !(0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 04:13:35,420 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-242: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 04:13:35,421 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-306: assume 0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 04:13:35,421 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-306: assume !(0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 04:13:35,421 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-308: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 04:13:35,421 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##179: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 04:13:35,421 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##178: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 04:19:32,529 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:19:32,530 INFO L299 CfgBuilder]: Removed 636 assume(true) statements. [2021-11-03 04:19:32,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:19:32 BoogieIcfgContainer [2021-11-03 04:19:32,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:19:32,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:19:32,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:19:32,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:19:32,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:13:28" (1/3) ... [2021-11-03 04:19:32,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbddfe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:19:32, skipping insertion in model container [2021-11-03 04:19:32,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:28" (2/3) ... [2021-11-03 04:19:32,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbddfe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:19:32, skipping insertion in model container [2021-11-03 04:19:32,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:19:32" (3/3) ... [2021-11-03 04:19:32,544 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_read_write_lock-1.i [2021-11-03 04:19:32,549 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:19:32,549 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 04:19:32,601 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:19:32,610 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 04:19:32,616 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 04:19:32,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 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) [2021-11-03 04:19:32,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-03 04:19:32,634 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:32,634 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-03 04:19:32,635 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:19:32,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:32,640 INFO L85 PathProgramCache]: Analyzing trace with hash 111492190, now seen corresponding path program 1 times [2021-11-03 04:19:32,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:19:32,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078919486] [2021-11-03 04:19:32,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:32,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:19:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:19:34,418 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:19:34,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078919486] [2021-11-03 04:19:34,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078919486] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:19:34,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:19:34,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:19:34,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022121132] [2021-11-03 04:19:34,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:19:34,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:19:34,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:19:34,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:19:34,453 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) 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) [2021-11-03 04:19:36,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:19:36,882 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-11-03 04:19:36,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:19:36,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) 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 [2021-11-03 04:19:36,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:19:36,893 INFO L225 Difference]: With dead ends: 15 [2021-11-03 04:19:36,893 INFO L226 Difference]: Without dead ends: 8 [2021-11-03 04:19:36,897 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:19:36,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-11-03 04:19:36,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2021-11-03 04:19:36,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 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) [2021-11-03 04:19:36,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2021-11-03 04:19:36,931 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 4 [2021-11-03 04:19:36,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:19:36,932 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2021-11-03 04:19:36,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) 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) [2021-11-03 04:19:36,932 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-11-03 04:19:36,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-03 04:19:36,933 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:36,933 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-03 04:19:36,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 04:19:36,934 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:19:36,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:36,935 INFO L85 PathProgramCache]: Analyzing trace with hash -440417491, now seen corresponding path program 1 times [2021-11-03 04:19:36,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:19:36,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887891721] [2021-11-03 04:19:36,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:36,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:19:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:37,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:19:37,490 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:19:37,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887891721] [2021-11-03 04:19:37,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887891721] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:19:37,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:19:37,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:19:37,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739001192] [2021-11-03 04:19:37,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:19:37,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:19:37,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:19:37,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:19:37,495 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:37,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:19:37,573 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-11-03 04:19:37,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:19:37,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-03 04:19:37,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:19:37,575 INFO L225 Difference]: With dead ends: 13 [2021-11-03 04:19:37,575 INFO L226 Difference]: Without dead ends: 8 [2021-11-03 04:19:37,575 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:19:37,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-11-03 04:19:37,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-03 04:19:37,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2021-11-03 04:19:37,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2021-11-03 04:19:37,578 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2021-11-03 04:19:37,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:19:37,578 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2021-11-03 04:19:37,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:37,579 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-03 04:19:37,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-03 04:19:37,579 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:37,579 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:19:37,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 04:19:37,580 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:19:37,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:37,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1621295330, now seen corresponding path program 1 times [2021-11-03 04:19:37,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:19:37,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200323263] [2021-11-03 04:19:37,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:37,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:19:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:38,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:19:38,095 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:19:38,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200323263] [2021-11-03 04:19:38,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200323263] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:19:38,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519757990] [2021-11-03 04:19:38,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:38,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:19:38,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:19:38,102 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:19:38,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 04:19:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:41,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:19:41,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:19:41,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:19:41,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:19:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:19:41,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519757990] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:19:41,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [935156630] [2021-11-03 04:19:41,635 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-11-03 04:19:41,635 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:19:41,640 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:19:41,647 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:19:41,647 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:19:41,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:41,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:41,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:41,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 04:19:41,729 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:41,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:41,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-03 04:19:41,738 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:41,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:41,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 602 [2021-11-03 04:19:41,745 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:41,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:41,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-03 04:19:41,748 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:41,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:41,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-03 04:19:41,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:41,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:41,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 04:19:41,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:41,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:41,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-03 04:19:41,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1116 [2021-11-03 04:19:41,860 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_967, |v_#length_218|, v_~__CS_thread~0.offset_967], 595=[|v_#valid_754|]} [2021-11-03 04:19:41,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-03 04:19:41,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:41,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:19:41,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:41,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:19:41,967 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:19:41,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:19:42,061 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:42,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:42,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:42,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:42,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:42,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:42,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:42,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:42,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:42,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:42,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:42,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:42,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:42,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:42,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:42,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:42,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:43,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:44,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:46,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:47,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,036 INFO L244 Elim1Store]: Index analysis took 5880 ms [2021-11-03 04:19:48,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 168 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 86 [2021-11-03 04:19:48,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:48,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-03 04:19:48,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:48,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-03 04:19:48,061 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:19:48,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:19:48,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:48,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-03 04:19:48,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:48,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:19:48,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:48,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:19:48,284 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 04:19:48,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:19:48,381 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:48,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:48,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:49,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:50,588 INFO L244 Elim1Store]: Index analysis took 865 ms [2021-11-03 04:19:51,744 INFO L354 Elim1Store]: treesize reduction 1082, result has 4.9 percent of original size [2021-11-03 04:19:51,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 115 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 61 case distinctions, treesize of input 299 treesize of output 298 [2021-11-03 04:19:51,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:51,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-03 04:19:51,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:51,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-03 04:19:51,842 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 04:19:51,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:19:51,980 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,007 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_6592|, |v_#memory_$Pointer$.base_6592|], 6=[|v_#memory_int_3016|]} [2021-11-03 04:19:52,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-03 04:19:52,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 04:19:52,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 04:19:52,095 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 04:19:52,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:19:52,236 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-03 04:19:52,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 04:19:52,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 04:19:52,303 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-03 04:19:52,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:19:52,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:52,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:52,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:52,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:52,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:52,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 100 [2021-11-03 04:19:52,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-03 04:19:52,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-03 04:19:52,568 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-03 04:19:52,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:19:52,706 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 794 [2021-11-03 04:19:52,775 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:19:52,776 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:1107, output treesize:794 [2021-11-03 04:19:52,826 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.8 percent of original size [2021-11-03 04:19:52,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 04:19:52,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 04:19:52,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 04:19:52,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 04:19:52,839 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,840 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 04:19:52,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 04:19:52,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 04:19:52,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 04:19:52,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:19:52,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:19:52,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 04:19:52,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:19:52,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 04:19:52,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:19:52,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 04:19:52,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,880 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:19:52,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 04:19:52,882 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 372 [2021-11-03 04:19:52,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 373 [2021-11-03 04:19:52,892 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 404 [2021-11-03 04:19:52,897 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,899 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 04:19:52,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 04:19:52,901 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,902 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 04:19:52,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 04:19:52,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 04:19:52,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 04:19:52,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 04:19:52,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 04:19:52,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:52,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:52,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:19:52,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1202 [2021-11-03 04:19:52,988 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.base_11|, |v_#memory_$Pointer$.base_10|, |v_#memory_$Pointer$.offset_11|, |v_#memory_$Pointer$.offset_10|, |v_#memory_$Pointer$.offset_12|, |v_#memory_$Pointer$.base_12|], 3=[|v_#memory_$Pointer$.offset_6593|, |v_#memory_$Pointer$.base_6593|], 55=[|v_#memory_int_3017|]} [2021-11-03 04:19:53,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 04:19:53,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:53,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 04:19:53,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 04:19:53,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,117 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:53,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 04:19:53,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 04:19:53,119 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 04:19:53,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:19:53,240 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-03 04:19:53,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,309 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:53,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-03 04:19:53,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 04:19:53,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,313 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:53,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-03 04:19:53,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 04:19:53,315 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 04:19:53,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:19:53,418 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 04:19:53,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:53,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 04:19:53,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 04:19:53,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:53,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 04:19:53,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 04:19:53,483 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 04:19:53,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:19:53,581 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-03 04:19:53,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,654 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:53,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-03 04:19:53,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 04:19:53,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:53,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-03 04:19:53,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 04:19:53,660 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 04:19:53,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:19:53,774 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:19:53,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:53,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:19:53,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:19:53,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,840 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:53,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:53,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:19:53,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:19:53,842 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 04:19:53,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:19:53,949 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:54,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:54,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:19:54,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:54,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:54,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:54,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:19:54,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:19:54,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:54,022 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:54,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:54,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:19:54,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:19:54,024 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 04:19:54,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:19:54,108 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:54,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:54,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 117 [2021-11-03 04:19:54,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:54,234 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:54,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:54,235 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:54,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:54,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:19:54,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-03 04:19:54,237 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:19:54,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:54,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-11-03 04:19:54,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 04:19:54,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-03 04:19:54,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:54,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 04:19:54,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:54,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 04:19:54,459 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-03 04:19:54,460 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:157) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:239) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) 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.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) 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:609) 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:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) 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) [2021-11-03 04:19:54,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:19:54,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-03 04:19:54,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002366222] [2021-11-03 04:19:54,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 04:19:54,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:19:54,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 04:19:54,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:19:54,465 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-11-03 04:19:54,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:19:54,611 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2021-11-03 04:19:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:19:54,612 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-03 04:19:54,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:19:54,612 INFO L225 Difference]: With dead ends: 17 [2021-11-03 04:19:54,612 INFO L226 Difference]: Without dead ends: 11 [2021-11-03 04:19:54,613 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:19:54,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-03 04:19:54,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-03 04:19:54,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2021-11-03 04:19:54,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2021-11-03 04:19:54,616 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 7 [2021-11-03 04:19:54,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:19:54,617 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2021-11-03 04:19:54,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-11-03 04:19:54,617 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-11-03 04:19:54,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 04:19:54,618 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:54,618 INFO L513 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1] [2021-11-03 04:19:54,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-03 04:19:54,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-03 04:19:54,829 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:19:54,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:54,829 INFO L85 PathProgramCache]: Analyzing trace with hash 19380077, now seen corresponding path program 2 times [2021-11-03 04:19:54,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:19:54,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713385307] [2021-11-03 04:19:54,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:54,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:19:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:56,027 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 04:19:56,027 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:19:56,028 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713385307] [2021-11-03 04:19:56,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713385307] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:19:56,028 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162268841] [2021-11-03 04:19:56,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 04:19:56,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:19:56,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:19:56,030 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:19:56,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3785c68-24ae-431f-819e-7d093c3147a4/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process