./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8 --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 8e00f856ac1429af687d63145e8fee5384b0f8c557793a0e79e8dacb23774930 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:25:22,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:25:22,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:25:22,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:25:22,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:25:22,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:25:22,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:25:22,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:25:22,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:25:22,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:25:22,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:25:22,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:25:22,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:25:22,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:25:22,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:25:22,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:25:22,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:25:22,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:25:22,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:25:22,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:25:22,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:25:22,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:25:22,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:25:22,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:25:22,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:25:22,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:25:22,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:25:22,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:25:22,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:25:22,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:25:22,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:25:22,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:25:22,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:25:22,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:25:22,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:25:22,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:25:22,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:25:22,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:25:22,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:25:22,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:25:22,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:25:22,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:25:23,040 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:25:23,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:25:23,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:25:23,042 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:25:23,043 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:25:23,043 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:25:23,043 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:25:23,043 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:25:23,044 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:25:23,044 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:25:23,052 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:25:23,052 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:25:23,052 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:25:23,053 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:25:23,053 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:25:23,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:25:23,054 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:25:23,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:25:23,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:25:23,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:25:23,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:25:23,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:25:23,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:25:23,056 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:25:23,056 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:25:23,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:25:23,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:25:23,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:25:23,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:25:23,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:25:23,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:25:23,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:25:23,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:25:23,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:25:23,061 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:25:23,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:25:23,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:25:23,061 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:25:23,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:25:23,062 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_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e00f856ac1429af687d63145e8fee5384b0f8c557793a0e79e8dacb23774930 [2021-11-07 01:25:23,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:25:23,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:25:23,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:25:23,427 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:25:23,428 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:25:23,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c [2021-11-07 01:25:23,513 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/data/d4d7b92f3/6c2df4d2d80843d9be1edfc1ed58e168/FLAG3348f4dc4 [2021-11-07 01:25:24,040 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:25:24,041 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c [2021-11-07 01:25:24,065 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/data/d4d7b92f3/6c2df4d2d80843d9be1edfc1ed58e168/FLAG3348f4dc4 [2021-11-07 01:25:24,378 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/data/d4d7b92f3/6c2df4d2d80843d9be1edfc1ed58e168 [2021-11-07 01:25:24,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:25:24,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:25:24,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:25:24,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:25:24,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:25:24,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:25:24" (1/1) ... [2021-11-07 01:25:24,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb39f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:24, skipping insertion in model container [2021-11-07 01:25:24,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:25:24" (1/1) ... [2021-11-07 01:25:24,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:25:24,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:25:24,716 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_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c[37575,37588] [2021-11-07 01:25:24,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:25:24,736 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:25:24,797 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_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c[37575,37588] [2021-11-07 01:25:24,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:25:24,816 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:25:24,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:24 WrapperNode [2021-11-07 01:25:24,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:25:24,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:25:24,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:25:24,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:25:24,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:24" (1/1) ... [2021-11-07 01:25:24,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:24" (1/1) ... [2021-11-07 01:25:24,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:25:24,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:25:24,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:25:24,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:25:24,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:24" (1/1) ... [2021-11-07 01:25:24,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:24" (1/1) ... [2021-11-07 01:25:24,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:24" (1/1) ... [2021-11-07 01:25:24,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:24" (1/1) ... [2021-11-07 01:25:24,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:24" (1/1) ... [2021-11-07 01:25:24,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:24" (1/1) ... [2021-11-07 01:25:24,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:24" (1/1) ... [2021-11-07 01:25:24,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:25:24,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:25:24,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:25:24,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:25:24,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:24" (1/1) ... [2021-11-07 01:25:24,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:25:25,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:25:25,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:25:25,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:25:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:25:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:25:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:25:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:25:25,308 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:25:25,836 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-07 01:25:25,836 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-07 01:25:26,526 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:25:26,527 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-07 01:25:26,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:25:26 BoogieIcfgContainer [2021-11-07 01:25:26,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:25:26,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:25:26,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:25:26,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:25:26,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:25:24" (1/3) ... [2021-11-07 01:25:26,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773440ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:25:26, skipping insertion in model container [2021-11-07 01:25:26,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:24" (2/3) ... [2021-11-07 01:25:26,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773440ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:25:26, skipping insertion in model container [2021-11-07 01:25:26,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:25:26" (3/3) ... [2021-11-07 01:25:26,542 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.BV.c.cil-1a.c [2021-11-07 01:25:26,550 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:25:26,550 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:25:26,618 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:25:26,624 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 [2021-11-07 01:25:26,625 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:25:26,646 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 82 states have (on average 1.7682926829268293) internal successors, (145), 83 states have internal predecessors, (145), 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) [2021-11-07 01:25:26,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:25:26,654 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:26,655 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:25:26,656 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:25:26,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:26,663 INFO L85 PathProgramCache]: Analyzing trace with hash -227504797, now seen corresponding path program 1 times [2021-11-07 01:25:26,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:26,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747632840] [2021-11-07 01:25:26,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:26,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:26,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:25:26,901 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:25:26,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747632840] [2021-11-07 01:25:26,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747632840] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:25:26,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:25:26,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:25:26,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773537603] [2021-11-07 01:25:26,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:25:26,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:25:26,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:25:26,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:25:26,931 INFO L87 Difference]: Start difference. First operand has 84 states, 82 states have (on average 1.7682926829268293) internal successors, (145), 83 states have internal predecessors, (145), 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 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-11-07 01:25:27,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:25:27,153 INFO L93 Difference]: Finished difference Result 169 states and 293 transitions. [2021-11-07 01:25:27,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:25:27,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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 19 [2021-11-07 01:25:27,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:25:27,173 INFO L225 Difference]: With dead ends: 169 [2021-11-07 01:25:27,174 INFO L226 Difference]: Without dead ends: 83 [2021-11-07 01:25:27,178 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 [2021-11-07 01:25:27,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-11-07 01:25:27,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-11-07 01:25:27,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 82 states have internal predecessors, (120), 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) [2021-11-07 01:25:27,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2021-11-07 01:25:27,239 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 19 [2021-11-07 01:25:27,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:25:27,240 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2021-11-07 01:25:27,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-11-07 01:25:27,241 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2021-11-07 01:25:27,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-07 01:25:27,243 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:27,243 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:25:27,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:25:27,244 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:25:27,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:27,248 INFO L85 PathProgramCache]: Analyzing trace with hash -2056253058, now seen corresponding path program 1 times [2021-11-07 01:25:27,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:27,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749030436] [2021-11-07 01:25:27,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:27,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:25:27,410 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:25:27,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749030436] [2021-11-07 01:25:27,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749030436] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:25:27,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:25:27,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:25:27,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973284206] [2021-11-07 01:25:27,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:25:27,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:25:27,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:25:27,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:25:27,421 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-11-07 01:25:27,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:25:27,585 INFO L93 Difference]: Finished difference Result 178 states and 261 transitions. [2021-11-07 01:25:27,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:25:27,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2021-11-07 01:25:27,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:25:27,592 INFO L225 Difference]: With dead ends: 178 [2021-11-07 01:25:27,592 INFO L226 Difference]: Without dead ends: 98 [2021-11-07 01:25:27,594 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 [2021-11-07 01:25:27,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-11-07 01:25:27,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2021-11-07 01:25:27,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.431578947368421) internal successors, (136), 95 states have internal predecessors, (136), 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) [2021-11-07 01:25:27,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 136 transitions. [2021-11-07 01:25:27,615 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 136 transitions. Word has length 28 [2021-11-07 01:25:27,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:25:27,616 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 136 transitions. [2021-11-07 01:25:27,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-11-07 01:25:27,616 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 136 transitions. [2021-11-07 01:25:27,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 01:25:27,619 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:27,619 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:25:27,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:25:27,621 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:25:27,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:27,624 INFO L85 PathProgramCache]: Analyzing trace with hash -96028736, now seen corresponding path program 1 times [2021-11-07 01:25:27,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:27,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783666042] [2021-11-07 01:25:27,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:27,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:27,713 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:25:27,713 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:25:27,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783666042] [2021-11-07 01:25:27,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783666042] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:25:27,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:25:27,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:25:27,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163195321] [2021-11-07 01:25:27,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:25:27,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:25:27,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:25:27,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:25:27,717 INFO L87 Difference]: Start difference. First operand 96 states and 136 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-07 01:25:27,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:25:27,868 INFO L93 Difference]: Finished difference Result 206 states and 297 transitions. [2021-11-07 01:25:27,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:25:27,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 39 [2021-11-07 01:25:27,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:25:27,872 INFO L225 Difference]: With dead ends: 206 [2021-11-07 01:25:27,872 INFO L226 Difference]: Without dead ends: 113 [2021-11-07 01:25:27,877 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 [2021-11-07 01:25:27,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-11-07 01:25:27,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2021-11-07 01:25:27,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.4) internal successors, (154), 110 states have internal predecessors, (154), 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) [2021-11-07 01:25:27,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 154 transitions. [2021-11-07 01:25:27,893 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 154 transitions. Word has length 39 [2021-11-07 01:25:27,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:25:27,894 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 154 transitions. [2021-11-07 01:25:27,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-07 01:25:27,894 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2021-11-07 01:25:27,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 01:25:27,896 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:27,896 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:25:27,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 01:25:27,897 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:25:27,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:27,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1813482241, now seen corresponding path program 1 times [2021-11-07 01:25:27,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:27,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418218935] [2021-11-07 01:25:27,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:27,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:28,050 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:25:28,050 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:25:28,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418218935] [2021-11-07 01:25:28,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418218935] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:25:28,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213245292] [2021-11-07 01:25:28,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:28,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:25:28,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:25:28,053 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:25:28,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 01:25:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:28,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:25:28,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:25:28,560 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 01:25:28,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:25:28,836 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 01:25:28,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213245292] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:25:28,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-07 01:25:28,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [4] total 9 [2021-11-07 01:25:28,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881969046] [2021-11-07 01:25:28,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:25:28,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:25:28,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:25:28,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:25:28,840 INFO L87 Difference]: Start difference. First operand 111 states and 154 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2021-11-07 01:25:29,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:25:29,207 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2021-11-07 01:25:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:25:29,208 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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 52 [2021-11-07 01:25:29,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:25:29,210 INFO L225 Difference]: With dead ends: 312 [2021-11-07 01:25:29,210 INFO L226 Difference]: Without dead ends: 203 [2021-11-07 01:25:29,211 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:25:29,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-11-07 01:25:29,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 186. [2021-11-07 01:25:29,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.3783783783783783) internal successors, (255), 185 states have internal predecessors, (255), 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) [2021-11-07 01:25:29,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 255 transitions. [2021-11-07 01:25:29,224 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 255 transitions. Word has length 52 [2021-11-07 01:25:29,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:25:29,225 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 255 transitions. [2021-11-07 01:25:29,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2021-11-07 01:25:29,225 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 255 transitions. [2021-11-07 01:25:29,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-07 01:25:29,229 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:29,229 INFO L513 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:25:29,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:25:29,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:25:29,450 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:25:29,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:29,451 INFO L85 PathProgramCache]: Analyzing trace with hash -535980728, now seen corresponding path program 1 times [2021-11-07 01:25:29,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:29,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085653614] [2021-11-07 01:25:29,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:29,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:29,529 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-07 01:25:29,530 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:25:29,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085653614] [2021-11-07 01:25:29,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085653614] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:25:29,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:25:29,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:25:29,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268480594] [2021-11-07 01:25:29,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:25:29,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:25:29,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:25:29,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:25:29,533 INFO L87 Difference]: Start difference. First operand 186 states and 255 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-11-07 01:25:29,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:25:29,654 INFO L93 Difference]: Finished difference Result 390 states and 543 transitions. [2021-11-07 01:25:29,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:25:29,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 67 [2021-11-07 01:25:29,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:25:29,660 INFO L225 Difference]: With dead ends: 390 [2021-11-07 01:25:29,661 INFO L226 Difference]: Without dead ends: 207 [2021-11-07 01:25:29,662 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 [2021-11-07 01:25:29,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-11-07 01:25:29,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 205. [2021-11-07 01:25:29,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 204 states have (on average 1.357843137254902) internal successors, (277), 204 states have internal predecessors, (277), 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) [2021-11-07 01:25:29,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 277 transitions. [2021-11-07 01:25:29,698 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 277 transitions. Word has length 67 [2021-11-07 01:25:29,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:25:29,699 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 277 transitions. [2021-11-07 01:25:29,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-11-07 01:25:29,700 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2021-11-07 01:25:29,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-07 01:25:29,705 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:29,706 INFO L513 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:25:29,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 01:25:29,707 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:25:29,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:29,712 INFO L85 PathProgramCache]: Analyzing trace with hash -809439390, now seen corresponding path program 1 times [2021-11-07 01:25:29,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:29,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143424338] [2021-11-07 01:25:29,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:29,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:25:29,839 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:25:29,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143424338] [2021-11-07 01:25:29,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143424338] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:25:29,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097280666] [2021-11-07 01:25:29,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:29,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:25:29,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:25:29,842 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:25:29,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 01:25:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:30,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:25:30,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:25:30,341 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-07 01:25:30,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:25:30,839 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-07 01:25:30,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097280666] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:25:30,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [92893622] [2021-11-07 01:25:30,875 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2021-11-07 01:25:30,875 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:25:30,882 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:25:30,890 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:25:30,892 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:25:45,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:45,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:45,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:45,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:25:45,099 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:45,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:45,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:25:45,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-07 01:25:45,150 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 21=[|v_#valid_18|]} [2021-11-07 01:25:45,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:25:45,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:45,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:45,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:45,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:45,199 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:45,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:25:45,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:45,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:45,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:45,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:45,234 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:45,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:25:45,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:45,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:45,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:45,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:45,275 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:45,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:45,406 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:45,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:25:45,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:45,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:25:45,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:45,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:25:45,483 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:45,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:25:45,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:45,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:25:45,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:45,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:25:45,546 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:45,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:45,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:25:45,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:45,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:25:45,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:45,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:25:45,594 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:45,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:45,709 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:45,794 INFO L180 QuantifierPusher]: treesize reduction 18, result has 97.8 percent of original size [2021-11-07 01:25:45,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 807 [2021-11-07 01:25:45,874 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:25:45,880 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:900, output treesize:807 [2021-11-07 01:25:45,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:46,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 808 [2021-11-07 01:25:46,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:46,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 836 [2021-11-07 01:25:46,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:46,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 834 [2021-11-07 01:25:46,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:46,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 834 [2021-11-07 01:25:46,429 INFO L180 QuantifierPusher]: treesize reduction 848, result has 0.1 percent of original size [2021-11-07 01:25:46,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:46,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:46,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 836 [2021-11-07 01:25:46,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:46,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 834 [2021-11-07 01:25:46,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:46,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 834 [2021-11-07 01:25:46,818 INFO L180 QuantifierPusher]: treesize reduction 20, result has 97.8 percent of original size [2021-11-07 01:25:46,824 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:46,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:46,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 774 [2021-11-07 01:25:47,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 830 [2021-11-07 01:25:47,066 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.3 percent of original size [2021-11-07 01:25:47,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 828 [2021-11-07 01:25:47,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:47,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 828 [2021-11-07 01:25:47,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:47,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 828 [2021-11-07 01:25:47,275 INFO L180 QuantifierPusher]: treesize reduction 28, result has 96.8 percent of original size [2021-11-07 01:25:47,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 830 [2021-11-07 01:25:47,373 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.3 percent of original size [2021-11-07 01:25:47,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 841 [2021-11-07 01:25:47,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:47,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 841 [2021-11-07 01:25:47,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:47,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 841 [2021-11-07 01:25:47,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:47,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:47,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:47,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:47,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:47,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:47,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:47,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:47,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:47,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:47,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:47,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:47,949 INFO L180 QuantifierPusher]: treesize reduction 83, result has 75.8 percent of original size [2021-11-07 01:25:47,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-11-07 01:25:47,988 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.8 percent of original size [2021-11-07 01:25:48,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 254 [2021-11-07 01:25:48,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:48,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 258 [2021-11-07 01:25:48,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:48,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 258 [2021-11-07 01:25:48,123 INFO L180 QuantifierPusher]: treesize reduction 91, result has 72.8 percent of original size [2021-11-07 01:25:48,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-11-07 01:25:48,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:48,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-11-07 01:25:48,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:48,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:25:48,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:48,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:25:48,212 INFO L180 QuantifierPusher]: treesize reduction 305, result has 0.3 percent of original size [2021-11-07 01:25:48,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:48,240 INFO L180 QuantifierPusher]: treesize reduction 91, result has 72.8 percent of original size [2021-11-07 01:25:48,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-11-07 01:25:48,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:48,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-11-07 01:25:48,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:48,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:25:48,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:48,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:25:48,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:48,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:48,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:48,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:48,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:48,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:48,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:48,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:48,604 INFO L180 QuantifierPusher]: treesize reduction 305, result has 0.3 percent of original size [2021-11-07 01:25:48,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:48,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:48,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:48,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:48,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:49,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:49,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:49,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:49,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:49,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:49,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:49,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:49,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:49,908 INFO L180 QuantifierPusher]: treesize reduction 52, result has 93.0 percent of original size [2021-11-07 01:25:49,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:49,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:49,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 476 [2021-11-07 01:25:50,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1139 [2021-11-07 01:25:50,054 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.5 percent of original size [2021-11-07 01:25:50,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1532 [2021-11-07 01:25:50,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:50,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1483 [2021-11-07 01:25:50,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:50,391 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:50,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:50,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-11-07 01:25:50,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1438 [2021-11-07 01:25:50,487 INFO L180 QuantifierPusher]: treesize reduction 1496, result has 0.1 percent of original size [2021-11-07 01:25:50,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:50,533 INFO L180 QuantifierPusher]: treesize reduction 1488, result has 0.1 percent of original size [2021-11-07 01:25:50,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:50,578 INFO L180 QuantifierPusher]: treesize reduction 1488, result has 0.1 percent of original size [2021-11-07 01:25:50,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:50,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:50,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:50,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:50,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:51,191 INFO L180 QuantifierPusher]: treesize reduction 52, result has 93.0 percent of original size [2021-11-07 01:25:51,192 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:51,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:51,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 476 [2021-11-07 01:25:51,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1139 [2021-11-07 01:25:51,340 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.5 percent of original size [2021-11-07 01:25:51,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1532 [2021-11-07 01:25:51,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:51,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1483 [2021-11-07 01:25:51,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:51,609 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:51,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:51,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-11-07 01:25:51,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1438 [2021-11-07 01:25:51,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:51,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:51,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:51,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:51,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:51,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:51,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:51,970 INFO L180 QuantifierPusher]: treesize reduction 1496, result has 0.1 percent of original size [2021-11-07 01:25:51,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:51,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,633 INFO L180 QuantifierPusher]: treesize reduction 1488, result has 0.1 percent of original size [2021-11-07 01:25:52,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:52,664 INFO L180 QuantifierPusher]: treesize reduction 1488, result has 0.1 percent of original size [2021-11-07 01:25:52,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:52,678 INFO L180 QuantifierPusher]: treesize reduction 75, result has 77.6 percent of original size [2021-11-07 01:25:52,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-11-07 01:25:52,699 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.8 percent of original size [2021-11-07 01:25:52,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 254 [2021-11-07 01:25:52,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:52,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 258 [2021-11-07 01:25:52,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:52,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 258 [2021-11-07 01:25:52,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:52,908 INFO L180 QuantifierPusher]: treesize reduction 324, result has 0.3 percent of original size [2021-11-07 01:25:52,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:52,923 INFO L180 QuantifierPusher]: treesize reduction 350, result has 0.3 percent of original size [2021-11-07 01:25:52,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:52,952 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.3 percent of original size [2021-11-07 01:25:52,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 828 [2021-11-07 01:25:53,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:53,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 828 [2021-11-07 01:25:53,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:53,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 828 [2021-11-07 01:25:53,104 INFO L180 QuantifierPusher]: treesize reduction 28, result has 96.8 percent of original size [2021-11-07 01:25:53,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1605 [2021-11-07 01:25:53,267 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.6 percent of original size [2021-11-07 01:25:53,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1616 [2021-11-07 01:25:53,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:53,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1616 [2021-11-07 01:25:53,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:53,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1616 [2021-11-07 01:25:53,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:53,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:53,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:53,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:53,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:53,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:53,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:53,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:53,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:53,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:53,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:53,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:53,789 INFO L180 QuantifierPusher]: treesize reduction 83, result has 75.8 percent of original size [2021-11-07 01:25:53,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-11-07 01:25:53,813 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.8 percent of original size [2021-11-07 01:25:53,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 254 [2021-11-07 01:25:53,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:53,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 258 [2021-11-07 01:25:53,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:53,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 258 [2021-11-07 01:25:53,890 INFO L180 QuantifierPusher]: treesize reduction 91, result has 72.8 percent of original size [2021-11-07 01:25:53,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-11-07 01:25:53,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:53,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-11-07 01:25:53,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:53,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:25:53,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:53,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:25:54,094 INFO L180 QuantifierPusher]: treesize reduction 305, result has 0.3 percent of original size [2021-11-07 01:25:54,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:54,123 INFO L180 QuantifierPusher]: treesize reduction 91, result has 72.8 percent of original size [2021-11-07 01:25:54,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-11-07 01:25:54,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:54,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-11-07 01:25:54,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:54,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:25:54,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:54,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:25:54,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:54,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:54,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:54,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:54,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:54,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:54,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:54,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:54,357 INFO L180 QuantifierPusher]: treesize reduction 305, result has 0.3 percent of original size [2021-11-07 01:25:54,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:54,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:54,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:54,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:54,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:54,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:54,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:54,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:54,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:54,925 INFO L180 QuantifierPusher]: treesize reduction 52, result has 93.0 percent of original size [2021-11-07 01:25:54,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:54,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:54,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 476 [2021-11-07 01:25:55,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1139 [2021-11-07 01:25:55,047 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.5 percent of original size [2021-11-07 01:25:55,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1532 [2021-11-07 01:25:55,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:55,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1483 [2021-11-07 01:25:55,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:55,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:55,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:55,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-11-07 01:25:55,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1438 [2021-11-07 01:25:55,358 INFO L180 QuantifierPusher]: treesize reduction 1496, result has 0.1 percent of original size [2021-11-07 01:25:55,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:55,390 INFO L180 QuantifierPusher]: treesize reduction 1488, result has 0.1 percent of original size [2021-11-07 01:25:55,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:55,418 INFO L180 QuantifierPusher]: treesize reduction 1488, result has 0.1 percent of original size [2021-11-07 01:25:55,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:55,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:55,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:55,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:55,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:55,769 INFO L180 QuantifierPusher]: treesize reduction 52, result has 93.0 percent of original size [2021-11-07 01:25:55,772 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:55,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:55,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 476 [2021-11-07 01:25:55,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1139 [2021-11-07 01:25:55,879 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.5 percent of original size [2021-11-07 01:25:55,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1532 [2021-11-07 01:25:56,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:56,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1483 [2021-11-07 01:25:56,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:56,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:56,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:56,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-11-07 01:25:56,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1438 [2021-11-07 01:25:56,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,366 INFO L180 QuantifierPusher]: treesize reduction 1496, result has 0.1 percent of original size [2021-11-07 01:25:56,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:56,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,626 INFO L180 QuantifierPusher]: treesize reduction 1488, result has 0.1 percent of original size [2021-11-07 01:25:56,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:56,654 INFO L180 QuantifierPusher]: treesize reduction 1488, result has 0.1 percent of original size [2021-11-07 01:25:56,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:56,667 INFO L180 QuantifierPusher]: treesize reduction 75, result has 77.6 percent of original size [2021-11-07 01:25:56,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-11-07 01:25:56,687 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.8 percent of original size [2021-11-07 01:25:56,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 254 [2021-11-07 01:25:56,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:56,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 258 [2021-11-07 01:25:56,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:56,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 258 [2021-11-07 01:25:56,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:56,856 INFO L180 QuantifierPusher]: treesize reduction 324, result has 0.3 percent of original size [2021-11-07 01:25:56,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:56,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:56,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 836 [2021-11-07 01:25:56,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:57,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 834 [2021-11-07 01:25:57,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:57,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 834 [2021-11-07 01:25:57,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:57,833 INFO L180 QuantifierPusher]: treesize reduction 52, result has 93.0 percent of original size [2021-11-07 01:25:57,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:57,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:57,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 476 [2021-11-07 01:25:57,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1139 [2021-11-07 01:25:57,935 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.5 percent of original size [2021-11-07 01:25:58,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1532 [2021-11-07 01:25:58,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:58,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1483 [2021-11-07 01:25:58,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:58,510 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:58,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:58,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-11-07 01:25:58,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1438 [2021-11-07 01:25:58,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,716 INFO L180 QuantifierPusher]: treesize reduction 1496, result has 0.1 percent of original size [2021-11-07 01:25:58,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:58,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:58,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,406 INFO L180 QuantifierPusher]: treesize reduction 1488, result has 0.1 percent of original size [2021-11-07 01:25:59,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:59,420 INFO L180 QuantifierPusher]: treesize reduction 91, result has 72.8 percent of original size [2021-11-07 01:25:59,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-11-07 01:25:59,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:59,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-11-07 01:25:59,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:59,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:25:59,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:59,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:25:59,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:59,973 INFO L180 QuantifierPusher]: treesize reduction 305, result has 0.3 percent of original size [2021-11-07 01:25:59,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:59,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:00,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:00,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:00,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:00,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:00,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:00,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:00,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:00,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:00,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:00,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:00,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:00,676 INFO L180 QuantifierPusher]: treesize reduction 28, result has 96.1 percent of original size [2021-11-07 01:26:00,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:00,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:00,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:00,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:00,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:00,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:00,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 531 [2021-11-07 01:26:00,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1164 [2021-11-07 01:26:00,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1164 [2021-11-07 01:26:00,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2335 [2021-11-07 01:26:01,001 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.7 percent of original size [2021-11-07 01:26:01,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 465 [2021-11-07 01:26:01,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,306 INFO L180 QuantifierPusher]: treesize reduction 60, result has 80.3 percent of original size [2021-11-07 01:26:01,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-11-07 01:26:01,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:01,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-11-07 01:26:01,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,738 INFO L180 QuantifierPusher]: treesize reduction 48, result has 83.0 percent of original size [2021-11-07 01:26:01,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 225 [2021-11-07 01:26:01,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:01,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:02,278 INFO L180 QuantifierPusher]: treesize reduction 77, result has 75.9 percent of original size [2021-11-07 01:26:02,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 231 [2021-11-07 01:26:02,287 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:26:31,496 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:26:31,496 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:26:31,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 3] total 7 [2021-11-07 01:26:31,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681519482] [2021-11-07 01:26:31,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:26:31,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:26:31,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:26:31,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1228, Unknown=0, NotChecked=0, Total=1406 [2021-11-07 01:26:31,499 INFO L87 Difference]: Start difference. First operand 205 states and 277 transitions. Second operand has 8 states, 8 states have (on average 15.875) internal successors, (127), 7 states have internal predecessors, (127), 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) [2021-11-07 01:26:31,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:31,568 INFO L93 Difference]: Finished difference Result 649 states and 873 transitions. [2021-11-07 01:26:31,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:26:31,569 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.875) internal successors, (127), 7 states have internal predecessors, (127), 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 85 [2021-11-07 01:26:31,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:31,574 INFO L225 Difference]: With dead ends: 649 [2021-11-07 01:26:31,574 INFO L226 Difference]: Without dead ends: 647 [2021-11-07 01:26:31,575 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 205 SyntacticMatches, 17 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 29.2s TimeCoverageRelationStatistics Valid=178, Invalid=1228, Unknown=0, NotChecked=0, Total=1406 [2021-11-07 01:26:31,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2021-11-07 01:26:31,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 566. [2021-11-07 01:26:31,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 565 states have (on average 1.3716814159292035) internal successors, (775), 565 states have internal predecessors, (775), 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) [2021-11-07 01:26:31,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 775 transitions. [2021-11-07 01:26:31,595 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 775 transitions. Word has length 85 [2021-11-07 01:26:31,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:31,595 INFO L470 AbstractCegarLoop]: Abstraction has 566 states and 775 transitions. [2021-11-07 01:26:31,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.875) internal successors, (127), 7 states have internal predecessors, (127), 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) [2021-11-07 01:26:31,596 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 775 transitions. [2021-11-07 01:26:31,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-07 01:26:31,599 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:31,599 INFO L513 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:31,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:26:31,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-07 01:26:31,822 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:31,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:31,822 INFO L85 PathProgramCache]: Analyzing trace with hash 657762200, now seen corresponding path program 1 times [2021-11-07 01:26:31,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:26:31,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292808258] [2021-11-07 01:26:31,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:31,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:26:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:32,000 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-07 01:26:32,001 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:26:32,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292808258] [2021-11-07 01:26:32,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292808258] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:32,002 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:26:32,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:26:32,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203409083] [2021-11-07 01:26:32,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:26:32,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:26:32,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:26:32,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:26:32,011 INFO L87 Difference]: Start difference. First operand 566 states and 775 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:26:32,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:32,207 INFO L93 Difference]: Finished difference Result 1260 states and 1782 transitions. [2021-11-07 01:26:32,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:26:32,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 143 [2021-11-07 01:26:32,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:32,215 INFO L225 Difference]: With dead ends: 1260 [2021-11-07 01:26:32,215 INFO L226 Difference]: Without dead ends: 694 [2021-11-07 01:26:32,216 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 [2021-11-07 01:26:32,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2021-11-07 01:26:32,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 629. [2021-11-07 01:26:32,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 628 states have (on average 1.3678343949044587) internal successors, (859), 628 states have internal predecessors, (859), 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) [2021-11-07 01:26:32,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 859 transitions. [2021-11-07 01:26:32,239 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 859 transitions. Word has length 143 [2021-11-07 01:26:32,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:32,251 INFO L470 AbstractCegarLoop]: Abstraction has 629 states and 859 transitions. [2021-11-07 01:26:32,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:26:32,251 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 859 transitions. [2021-11-07 01:26:32,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-07 01:26:32,253 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:32,253 INFO L513 BasicCegarLoop]: trace histogram [11, 10, 10, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:32,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable368 [2021-11-07 01:26:32,254 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:32,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:32,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1024416441, now seen corresponding path program 2 times [2021-11-07 01:26:32,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:26:32,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377342381] [2021-11-07 01:26:32,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:32,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:26:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:32,317 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-07 01:26:32,318 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:26:32,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377342381] [2021-11-07 01:26:32,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377342381] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:32,318 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:26:32,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:26:32,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315563253] [2021-11-07 01:26:32,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:26:32,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:26:32,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:26:32,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:26:32,321 INFO L87 Difference]: Start difference. First operand 629 states and 859 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2021-11-07 01:26:32,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:32,490 INFO L93 Difference]: Finished difference Result 1447 states and 2059 transitions. [2021-11-07 01:26:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:26:32,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 152 [2021-11-07 01:26:32,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:32,497 INFO L225 Difference]: With dead ends: 1447 [2021-11-07 01:26:32,497 INFO L226 Difference]: Without dead ends: 770 [2021-11-07 01:26:32,499 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 [2021-11-07 01:26:32,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2021-11-07 01:26:32,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 743. [2021-11-07 01:26:32,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 742 states have (on average 1.3517520215633423) internal successors, (1003), 742 states have internal predecessors, (1003), 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) [2021-11-07 01:26:32,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1003 transitions. [2021-11-07 01:26:32,526 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1003 transitions. Word has length 152 [2021-11-07 01:26:32,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:32,527 INFO L470 AbstractCegarLoop]: Abstraction has 743 states and 1003 transitions. [2021-11-07 01:26:32,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2021-11-07 01:26:32,527 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1003 transitions. [2021-11-07 01:26:32,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-07 01:26:32,530 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:32,530 INFO L513 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:32,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable369 [2021-11-07 01:26:32,531 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:32,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:32,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1563710631, now seen corresponding path program 1 times [2021-11-07 01:26:32,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:26:32,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540641075] [2021-11-07 01:26:32,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:32,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:26:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:32,613 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-07 01:26:32,613 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:26:32,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540641075] [2021-11-07 01:26:32,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540641075] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:32,613 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:26:32,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:26:32,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28437606] [2021-11-07 01:26:32,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:26:32,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:26:32,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:26:32,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:26:32,616 INFO L87 Difference]: Start difference. First operand 743 states and 1003 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) [2021-11-07 01:26:32,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:32,652 INFO L93 Difference]: Finished difference Result 1225 states and 1656 transitions. [2021-11-07 01:26:32,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:26:32,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 163 [2021-11-07 01:26:32,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:32,658 INFO L225 Difference]: With dead ends: 1225 [2021-11-07 01:26:32,658 INFO L226 Difference]: Without dead ends: 743 [2021-11-07 01:26:32,659 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 [2021-11-07 01:26:32,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2021-11-07 01:26:32,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 743. [2021-11-07 01:26:32,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 742 states have (on average 1.349056603773585) internal successors, (1001), 742 states have internal predecessors, (1001), 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) [2021-11-07 01:26:32,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1001 transitions. [2021-11-07 01:26:32,690 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1001 transitions. Word has length 163 [2021-11-07 01:26:32,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:32,691 INFO L470 AbstractCegarLoop]: Abstraction has 743 states and 1001 transitions. [2021-11-07 01:26:32,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) [2021-11-07 01:26:32,691 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1001 transitions. [2021-11-07 01:26:32,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-07 01:26:32,694 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:32,695 INFO L513 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:32,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable370 [2021-11-07 01:26:32,695 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:32,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:32,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1741906915, now seen corresponding path program 1 times [2021-11-07 01:26:32,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:26:32,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655510319] [2021-11-07 01:26:32,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:32,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:26:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:26:32,749 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:26:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:26:32,897 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 01:26:32,897 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:26:32,899 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:26:32,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable371 [2021-11-07 01:26:32,904 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:32,908 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:26:33,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:26:33 BoogieIcfgContainer [2021-11-07 01:26:33,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:26:33,042 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:26:33,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:26:33,043 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:26:33,043 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:25:26" (3/4) ... [2021-11-07 01:26:33,047 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 01:26:33,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:26:33,048 INFO L168 Benchmark]: Toolchain (without parser) took 68664.76 ms. Allocated memory was 104.9 MB in the beginning and 6.0 GB in the end (delta: 5.9 GB). Free memory was 65.9 MB in the beginning and 4.5 GB in the end (delta: -4.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. [2021-11-07 01:26:33,048 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 104.9 MB. Free memory is still 83.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:26:33,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.51 ms. Allocated memory is still 104.9 MB. Free memory was 65.6 MB in the beginning and 75.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:26:33,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.27 ms. Allocated memory is still 104.9 MB. Free memory was 75.2 MB in the beginning and 72.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:26:33,049 INFO L168 Benchmark]: Boogie Preprocessor took 69.81 ms. Allocated memory is still 104.9 MB. Free memory was 72.6 MB in the beginning and 70.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:26:33,049 INFO L168 Benchmark]: RCFGBuilder took 1575.48 ms. Allocated memory was 104.9 MB in the beginning and 140.5 MB in the end (delta: 35.7 MB). Free memory was 70.5 MB in the beginning and 94.7 MB in the end (delta: -24.2 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:26:33,049 INFO L168 Benchmark]: TraceAbstraction took 66508.57 ms. Allocated memory was 140.5 MB in the beginning and 6.0 GB in the end (delta: 5.9 GB). Free memory was 94.7 MB in the beginning and 4.5 GB in the end (delta: -4.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. [2021-11-07 01:26:33,050 INFO L168 Benchmark]: Witness Printer took 4.86 ms. Allocated memory is still 6.0 GB. Free memory is still 4.5 GB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:26:33,051 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 104.9 MB. Free memory is still 83.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 432.51 ms. Allocated memory is still 104.9 MB. Free memory was 65.6 MB in the beginning and 75.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.27 ms. Allocated memory is still 104.9 MB. Free memory was 75.2 MB in the beginning and 72.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.81 ms. Allocated memory is still 104.9 MB. Free memory was 72.6 MB in the beginning and 70.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1575.48 ms. Allocated memory was 104.9 MB in the beginning and 140.5 MB in the end (delta: 35.7 MB). Free memory was 70.5 MB in the beginning and 94.7 MB in the end (delta: -24.2 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 66508.57 ms. Allocated memory was 140.5 MB in the beginning and 6.0 GB in the end (delta: 5.9 GB). Free memory was 94.7 MB in the beginning and 4.5 GB in the end (delta: -4.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. * Witness Printer took 4.86 ms. Allocated memory is still 6.0 GB. Free memory is still 4.5 GB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseXor at line 366. Possible FailurePath: [L627] int __retres1 ; [L19] int s__info_callback = __VERIFIER_nondet_int(); [L20] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L21] int s__state ; [L22] int s__new_session ; [L23] int s__server ; [L24] unsigned int s__version = __VERIFIER_nondet_uint(); [L25] int s__type ; [L26] int s__init_num ; [L27] int s__bbio = __VERIFIER_nondet_int(); [L28] int s__wbio = __VERIFIER_nondet_int(); [L29] int s__hit = __VERIFIER_nondet_int(); [L30] int s__rwstate ; [L31] int s__init_buf___0 ; [L32] int s__debug = __VERIFIER_nondet_int(); [L33] int s__shutdown ; [L34] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L35] unsigned int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_uint(); [L36] unsigned int s__ctx__stats__sess_connect ; [L37] unsigned int s__ctx__stats__sess_hit = __VERIFIER_nondet_uint(); [L38] unsigned int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_uint(); [L39] int s__s3__change_cipher_spec ; [L40] int s__s3__flags ; [L41] int s__s3__delay_buf_pop_ret ; [L42] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L43] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L44] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L45] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L46] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L47] int s__s3__tmp__next_state___0 ; [L48] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L49] int s__session__cipher ; [L50] int s__session__compress_meth ; [L51] int buf ; [L52] unsigned long tmp ; [L53] unsigned long l ; [L54] int num1 ; [L55] int cb ; [L56] int ret ; [L57] int new_state ; [L58] int state ; [L59] int skip ; [L60] int tmp___0 ; [L61] unsigned int tmp___1 = __VERIFIER_nondet_uint(); [L62] unsigned int tmp___2 = __VERIFIER_nondet_uint(); [L63] int tmp___3 = __VERIFIER_nondet_int(); [L64] int tmp___4 = __VERIFIER_nondet_int(); [L65] int tmp___5 = __VERIFIER_nondet_int(); [L66] int tmp___6 = __VERIFIER_nondet_int(); [L67] int tmp___7 = __VERIFIER_nondet_int(); [L68] int tmp___8 = __VERIFIER_nondet_int(); [L69] int tmp___9 = __VERIFIER_nondet_int(); [L70] int blastFlag ; [L71] int ag_X ; [L72] int ag_Y ; [L73] int __retres59 ; [L76] s__state = 12292 [L77] blastFlag = 0 [L78] tmp = __VERIFIER_nondet_int() [L79] cb = 0 [L80] ret = -1 [L81] skip = 0 [L82] tmp___0 = 0 [L83] COND FALSE !(s__info_callback != 0) [L86] COND TRUE s__ctx__info_callback != 0 [L87] cb = s__ctx__info_callback [L92] s__in_handshake = s__in_handshake + 1 [L93] COND FALSE !(tmp___1 - 12288) [L103] COND TRUE 1 [L105] state = s__state [L106] COND TRUE s__state == 12292 [L209] s__new_session = 1 [L210] s__state = 4096 [L211] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L216] s__server = 0 [L217] COND TRUE cb != 0 [L222] COND FALSE !(s__version - 65280 != 768) [L228] s__type = 4096 [L229] COND FALSE !(s__init_buf___0 == 0) [L247] COND FALSE !(! tmp___4) [L253] COND FALSE !(! tmp___5) [L259] s__state = 4368 [L260] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L261] s__init_num = 0 [L576] COND FALSE !(! s__s3__tmp__reuse_message) [L605] skip = 0 [L103] COND TRUE 1 [L105] state = s__state [L106] COND FALSE !(s__state == 12292) [L109] COND FALSE !(s__state == 16384) [L112] COND FALSE !(s__state == 4096) [L115] COND FALSE !(s__state == 20480) [L118] COND FALSE !(s__state == 4099) [L121] COND TRUE s__state == 4368 [L265] s__shutdown = 0 [L266] ret = __VERIFIER_nondet_int() [L267] COND TRUE blastFlag == 0 [L268] blastFlag = 1 [L276] COND FALSE !(ret <= 0) [L281] s__state = 4384 [L282] s__init_num = 0 [L283] COND FALSE !(s__bbio != s__wbio) [L576] COND FALSE !(! s__s3__tmp__reuse_message) [L605] skip = 0 [L103] COND TRUE 1 [L105] state = s__state [L106] COND FALSE !(s__state == 12292) [L109] COND FALSE !(s__state == 16384) [L112] COND FALSE !(s__state == 4096) [L115] COND FALSE !(s__state == 20480) [L118] COND FALSE !(s__state == 4099) [L121] COND FALSE !(s__state == 4368) [L124] COND FALSE !(s__state == 4369) [L127] COND TRUE s__state == 4384 [L291] ret = __VERIFIER_nondet_int() [L292] COND TRUE blastFlag == 1 [L293] blastFlag = 2 [L297] COND FALSE !(ret <= 0) [L302] COND FALSE !(\read(s__hit)) [L305] s__state = 4400 [L307] s__init_num = 0 [L576] COND FALSE !(! s__s3__tmp__reuse_message) [L605] skip = 0 [L103] COND TRUE 1 [L105] state = s__state [L106] COND FALSE !(s__state == 12292) [L109] COND FALSE !(s__state == 16384) [L112] COND FALSE !(s__state == 4096) [L115] COND FALSE !(s__state == 20480) [L118] COND FALSE !(s__state == 4099) [L121] COND FALSE !(s__state == 4368) [L124] COND FALSE !(s__state == 4369) [L127] COND FALSE !(s__state == 4384) [L130] COND FALSE !(s__state == 4385) [L133] COND TRUE s__state == 4400 [L311] COND FALSE !((unsigned long )s__s3__tmp__new_cipher__algorithms - 256UL) [L314] ret = __VERIFIER_nondet_int() [L315] COND TRUE blastFlag == 2 [L316] blastFlag = 3 [L320] COND FALSE !(ret <= 0) [L326] ag_Y = 61087 [L327] s__state = 4416 [L328] s__init_num = 0 [L576] COND FALSE !(! s__s3__tmp__reuse_message) [L605] skip = 0 [L103] COND TRUE 1 [L105] state = s__state [L106] COND FALSE !(s__state == 12292) [L109] COND FALSE !(s__state == 16384) [L112] COND FALSE !(s__state == 4096) [L115] COND FALSE !(s__state == 20480) [L118] COND FALSE !(s__state == 4099) [L121] COND FALSE !(s__state == 4368) [L124] COND FALSE !(s__state == 4369) [L127] COND FALSE !(s__state == 4384) [L130] COND FALSE !(s__state == 4385) [L133] COND FALSE !(s__state == 4400) [L136] COND FALSE !(s__state == 4401) [L139] COND TRUE s__state == 4416 [L332] ret = __VERIFIER_nondet_int() [L333] COND TRUE blastFlag == 3 [L334] blastFlag = 4 [L338] COND FALSE !(ret <= 0) [L343] s__state = 4432 [L344] ag_X = (unsigned short)65535 [L345] s__init_num = 0 [L346] COND FALSE !(! tmp___6) [L576] COND FALSE !(! s__s3__tmp__reuse_message) [L605] skip = 0 [L103] COND TRUE 1 [L105] state = s__state [L106] COND FALSE !(s__state == 12292) [L109] COND FALSE !(s__state == 16384) [L112] COND FALSE !(s__state == 4096) [L115] COND FALSE !(s__state == 20480) [L118] COND FALSE !(s__state == 4099) [L121] COND FALSE !(s__state == 4368) [L124] COND FALSE !(s__state == 4369) [L127] COND FALSE !(s__state == 4384) [L130] COND FALSE !(s__state == 4385) [L133] COND FALSE !(s__state == 4400) [L136] COND FALSE !(s__state == 4401) [L139] COND FALSE !(s__state == 4416) [L142] COND FALSE !(s__state == 4417) [L145] COND TRUE s__state == 4432 [L355] ret = __VERIFIER_nondet_int() [L356] COND FALSE !(blastFlag == 5) [L361] COND FALSE !(ret <= 0) [L366] s__state = ag_X ^ ag_Y [L367] s__init_num = 0 [L576] COND FALSE !(! s__s3__tmp__reuse_message) [L605] skip = 0 [L103] COND TRUE 1 [L105] state = s__state [L106] COND FALSE !(s__state == 12292) [L109] COND FALSE !(s__state == 16384) [L112] COND FALSE !(s__state == 4096) [L115] COND FALSE !(s__state == 20480) [L118] COND FALSE !(s__state == 4099) [L121] COND TRUE s__state == 4368 [L265] s__shutdown = 0 [L266] ret = __VERIFIER_nondet_int() [L267] COND FALSE !(blastFlag == 0) [L270] COND TRUE blastFlag == 4 [L271] blastFlag = 5 [L276] COND FALSE !(ret <= 0) [L281] s__state = 4384 [L282] s__init_num = 0 [L283] COND FALSE !(s__bbio != s__wbio) [L576] COND FALSE !(! s__s3__tmp__reuse_message) [L605] skip = 0 [L103] COND TRUE 1 [L105] state = s__state [L106] COND FALSE !(s__state == 12292) [L109] COND FALSE !(s__state == 16384) [L112] COND FALSE !(s__state == 4096) [L115] COND FALSE !(s__state == 20480) [L118] COND FALSE !(s__state == 4099) [L121] COND FALSE !(s__state == 4368) [L124] COND FALSE !(s__state == 4369) [L127] COND TRUE s__state == 4384 [L291] ret = __VERIFIER_nondet_int() [L292] COND FALSE !(blastFlag == 1) [L297] COND FALSE !(ret <= 0) [L302] COND FALSE !(\read(s__hit)) [L305] s__state = 4400 [L307] s__init_num = 0 [L576] COND FALSE !(! s__s3__tmp__reuse_message) [L605] skip = 0 [L103] COND TRUE 1 [L105] state = s__state [L106] COND FALSE !(s__state == 12292) [L109] COND FALSE !(s__state == 16384) [L112] COND FALSE !(s__state == 4096) [L115] COND FALSE !(s__state == 20480) [L118] COND FALSE !(s__state == 4099) [L121] COND FALSE !(s__state == 4368) [L124] COND FALSE !(s__state == 4369) [L127] COND FALSE !(s__state == 4384) [L130] COND FALSE !(s__state == 4385) [L133] COND TRUE s__state == 4400 [L311] COND FALSE !((unsigned long )s__s3__tmp__new_cipher__algorithms - 256UL) [L314] ret = __VERIFIER_nondet_int() [L315] COND FALSE !(blastFlag == 2) [L320] COND FALSE !(ret <= 0) [L326] ag_Y = 61087 [L327] s__state = 4416 [L328] s__init_num = 0 [L576] COND FALSE !(! s__s3__tmp__reuse_message) [L605] skip = 0 [L103] COND TRUE 1 [L105] state = s__state [L106] COND FALSE !(s__state == 12292) [L109] COND FALSE !(s__state == 16384) [L112] COND FALSE !(s__state == 4096) [L115] COND FALSE !(s__state == 20480) [L118] COND FALSE !(s__state == 4099) [L121] COND FALSE !(s__state == 4368) [L124] COND FALSE !(s__state == 4369) [L127] COND FALSE !(s__state == 4384) [L130] COND FALSE !(s__state == 4385) [L133] COND FALSE !(s__state == 4400) [L136] COND FALSE !(s__state == 4401) [L139] COND TRUE s__state == 4416 [L332] ret = __VERIFIER_nondet_int() [L333] COND FALSE !(blastFlag == 3) [L338] COND FALSE !(ret <= 0) [L343] s__state = 4432 [L344] ag_X = (unsigned short)65535 [L345] s__init_num = 0 [L346] COND FALSE !(! tmp___6) [L576] COND FALSE !(! s__s3__tmp__reuse_message) [L605] skip = 0 [L103] COND TRUE 1 [L105] state = s__state [L106] COND FALSE !(s__state == 12292) [L109] COND FALSE !(s__state == 16384) [L112] COND FALSE !(s__state == 4096) [L115] COND FALSE !(s__state == 20480) [L118] COND FALSE !(s__state == 4099) [L121] COND FALSE !(s__state == 4368) [L124] COND FALSE !(s__state == 4369) [L127] COND FALSE !(s__state == 4384) [L130] COND FALSE !(s__state == 4385) [L133] COND FALSE !(s__state == 4400) [L136] COND FALSE !(s__state == 4401) [L139] COND FALSE !(s__state == 4416) [L142] COND FALSE !(s__state == 4417) [L145] COND TRUE s__state == 4432 [L355] ret = __VERIFIER_nondet_int() [L356] COND TRUE blastFlag == 5 [L618] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 66.2s, OverallIterations: 10, TraceHistogramMax: 11, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1223 SDtfs, 711 SDslu, 1071 SDs, 0 SdLazy, 921 SolverSat, 186 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 384 GetRequests, 317 SyntacticMatches, 17 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 29.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=743occurred in iteration=8, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 196 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1049 NumberOfCodeBlocks, 1049 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1009 ConstructedInterpolants, 0 QuantifiedInterpolants, 2915 SizeOfPredicates, 1 NumberOfNonLiveVariables, 418 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 1708/1967 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-07 01:26:33,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8 --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 8e00f856ac1429af687d63145e8fee5384b0f8c557793a0e79e8dacb23774930 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:26:36,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:26:36,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:26:36,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:26:36,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:26:36,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:26:36,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:26:36,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:26:36,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:26:36,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:26:36,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:26:36,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:26:36,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:26:36,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:26:36,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:26:36,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:26:36,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:26:36,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:26:36,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:26:36,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:26:36,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:26:36,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:26:36,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:26:36,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:26:36,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:26:36,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:26:36,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:26:36,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:26:36,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:26:36,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:26:36,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:26:36,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:26:36,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:26:36,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:26:36,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:26:36,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:26:36,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:26:36,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:26:36,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:26:36,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:26:36,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:26:36,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:26:36,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:26:36,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:26:36,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:26:36,307 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:26:36,307 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:26:36,307 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:26:36,307 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:26:36,308 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:26:36,308 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:26:36,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:26:36,309 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:26:36,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:26:36,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:26:36,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:26:36,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:26:36,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:26:36,311 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:26:36,311 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:26:36,311 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:26:36,311 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:26:36,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:26:36,312 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:26:36,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:26:36,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:26:36,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:26:36,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:26:36,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:26:36,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:26:36,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:26:36,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:26:36,314 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:26:36,315 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:26:36,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:26:36,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:26:36,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:26:36,316 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e00f856ac1429af687d63145e8fee5384b0f8c557793a0e79e8dacb23774930 [2021-11-07 01:26:36,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:26:36,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:26:36,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:26:36,752 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:26:36,753 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:26:36,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c [2021-11-07 01:26:36,840 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/data/d7c021e8d/7fe41fd183534a22a6cc7494e4e2d916/FLAGf670757f0 [2021-11-07 01:26:37,561 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:26:37,562 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c [2021-11-07 01:26:37,580 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/data/d7c021e8d/7fe41fd183534a22a6cc7494e4e2d916/FLAGf670757f0 [2021-11-07 01:26:37,855 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/data/d7c021e8d/7fe41fd183534a22a6cc7494e4e2d916 [2021-11-07 01:26:37,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:26:37,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:26:37,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:26:37,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:26:37,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:26:37,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:26:37" (1/1) ... [2021-11-07 01:26:37,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff53cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:37, skipping insertion in model container [2021-11-07 01:26:37,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:26:37" (1/1) ... [2021-11-07 01:26:37,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:26:37,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:26:38,320 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_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c[37575,37588] [2021-11-07 01:26:38,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:26:38,363 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:26:38,470 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_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c[37575,37588] [2021-11-07 01:26:38,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:26:38,499 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:26:38,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:38 WrapperNode [2021-11-07 01:26:38,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:26:38,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:26:38,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:26:38,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:26:38,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:38" (1/1) ... [2021-11-07 01:26:38,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:38" (1/1) ... [2021-11-07 01:26:38,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:26:38,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:26:38,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:26:38,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:26:38,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:38" (1/1) ... [2021-11-07 01:26:38,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:38" (1/1) ... [2021-11-07 01:26:38,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:38" (1/1) ... [2021-11-07 01:26:38,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:38" (1/1) ... [2021-11-07 01:26:38,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:38" (1/1) ... [2021-11-07 01:26:38,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:38" (1/1) ... [2021-11-07 01:26:38,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:38" (1/1) ... [2021-11-07 01:26:38,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:26:38,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:26:38,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:26:38,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:26:38,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:38" (1/1) ... [2021-11-07 01:26:38,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:26:38,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:26:38,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:26:38,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:26:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:26:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:26:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:26:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:26:38,981 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:26:39,547 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-07 01:26:39,547 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-07 01:26:39,555 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:26:39,556 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-07 01:26:39,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:26:39 BoogieIcfgContainer [2021-11-07 01:26:39,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:26:39,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:26:39,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:26:39,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:26:39,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:26:37" (1/3) ... [2021-11-07 01:26:39,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13812731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:26:39, skipping insertion in model container [2021-11-07 01:26:39,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:38" (2/3) ... [2021-11-07 01:26:39,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13812731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:26:39, skipping insertion in model container [2021-11-07 01:26:39,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:26:39" (3/3) ... [2021-11-07 01:26:39,568 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.BV.c.cil-1a.c [2021-11-07 01:26:39,573 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:26:39,574 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:26:39,624 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:26:39,631 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 [2021-11-07 01:26:39,631 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:26:39,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 123 states have (on average 1.7317073170731707) internal successors, (213), 124 states have internal predecessors, (213), 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) [2021-11-07 01:26:39,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:26:39,656 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:39,657 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:39,658 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:39,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:39,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1457697026, now seen corresponding path program 1 times [2021-11-07 01:26:39,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:26:39,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1433853989] [2021-11-07 01:26:39,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:39,678 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:26:39,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:26:39,682 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:26:39,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:26:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:39,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:26:39,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:26:40,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:26:40,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:40,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:26:40,159 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:26:40,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1433853989] [2021-11-07 01:26:40,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1433853989] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:40,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:26:40,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:26:40,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813008323] [2021-11-07 01:26:40,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:26:40,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:26:40,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:26:40,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:26:40,189 INFO L87 Difference]: Start difference. First operand has 125 states, 123 states have (on average 1.7317073170731707) internal successors, (213), 124 states have internal predecessors, (213), 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 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-11-07 01:26:40,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:40,415 INFO L93 Difference]: Finished difference Result 246 states and 421 transitions. [2021-11-07 01:26:40,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:26:40,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 24 [2021-11-07 01:26:40,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:40,429 INFO L225 Difference]: With dead ends: 246 [2021-11-07 01:26:40,430 INFO L226 Difference]: Without dead ends: 112 [2021-11-07 01:26:40,434 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:26:40,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-11-07 01:26:40,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2021-11-07 01:26:40,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 1.5225225225225225) internal successors, (169), 111 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:26:40,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 169 transitions. [2021-11-07 01:26:40,487 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 169 transitions. Word has length 24 [2021-11-07 01:26:40,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:40,488 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 169 transitions. [2021-11-07 01:26:40,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-11-07 01:26:40,489 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 169 transitions. [2021-11-07 01:26:40,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 01:26:40,490 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:40,491 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:40,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:26:40,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:26:40,704 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:40,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:40,705 INFO L85 PathProgramCache]: Analyzing trace with hash -611475394, now seen corresponding path program 1 times [2021-11-07 01:26:40,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:26:40,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384576830] [2021-11-07 01:26:40,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:40,707 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:26:40,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:26:40,710 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:26:40,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:26:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:40,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:26:40,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:26:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:26:40,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:26:41,076 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:26:41,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384576830] [2021-11-07 01:26:41,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384576830] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:41,077 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:26:41,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:26:41,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905991459] [2021-11-07 01:26:41,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:26:41,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:26:41,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:26:41,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:26:41,081 INFO L87 Difference]: Start difference. First operand 112 states and 169 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:26:41,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:41,295 INFO L93 Difference]: Finished difference Result 233 states and 356 transitions. [2021-11-07 01:26:41,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:26:41,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-07 01:26:41,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:41,298 INFO L225 Difference]: With dead ends: 233 [2021-11-07 01:26:41,298 INFO L226 Difference]: Without dead ends: 131 [2021-11-07 01:26:41,300 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:26:41,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-07 01:26:41,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 127. [2021-11-07 01:26:41,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 1.5) internal successors, (189), 126 states have internal predecessors, (189), 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) [2021-11-07 01:26:41,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 189 transitions. [2021-11-07 01:26:41,332 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 189 transitions. Word has length 36 [2021-11-07 01:26:41,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:41,332 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 189 transitions. [2021-11-07 01:26:41,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:26:41,333 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 189 transitions. [2021-11-07 01:26:41,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 01:26:41,335 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:41,336 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:41,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:26:41,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:26:41,558 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:41,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:41,559 INFO L85 PathProgramCache]: Analyzing trace with hash 213639527, now seen corresponding path program 1 times [2021-11-07 01:26:41,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:26:41,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950075639] [2021-11-07 01:26:41,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:41,561 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:26:41,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:26:41,562 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:26:41,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:26:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:41,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:26:41,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:26:41,870 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:26:41,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:42,009 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:26:42,009 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:26:42,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950075639] [2021-11-07 01:26:42,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950075639] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:42,010 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:26:42,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:26:42,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927895917] [2021-11-07 01:26:42,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:26:42,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:26:42,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:26:42,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:26:42,017 INFO L87 Difference]: Start difference. First operand 127 states and 189 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-11-07 01:26:42,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:42,206 INFO L93 Difference]: Finished difference Result 265 states and 400 transitions. [2021-11-07 01:26:42,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:26:42,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 50 [2021-11-07 01:26:42,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:42,209 INFO L225 Difference]: With dead ends: 265 [2021-11-07 01:26:42,213 INFO L226 Difference]: Without dead ends: 148 [2021-11-07 01:26:42,214 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:26:42,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-11-07 01:26:42,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 144. [2021-11-07 01:26:42,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 143 states have (on average 1.4755244755244756) internal successors, (211), 143 states have internal predecessors, (211), 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) [2021-11-07 01:26:42,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 211 transitions. [2021-11-07 01:26:42,242 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 211 transitions. Word has length 50 [2021-11-07 01:26:42,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:42,244 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 211 transitions. [2021-11-07 01:26:42,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-11-07 01:26:42,246 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 211 transitions. [2021-11-07 01:26:42,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-07 01:26:42,251 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:42,251 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:42,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:26:42,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:26:42,473 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:42,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:42,474 INFO L85 PathProgramCache]: Analyzing trace with hash 370823208, now seen corresponding path program 1 times [2021-11-07 01:26:42,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:26:42,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662446862] [2021-11-07 01:26:42,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:42,475 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:26:42,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:26:42,476 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:26:42,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:26:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:42,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:26:42,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:26:42,953 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-07 01:26:42,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:43,147 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-07 01:26:43,147 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:26:43,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1662446862] [2021-11-07 01:26:43,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1662446862] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:43,148 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:26:43,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:26:43,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829225017] [2021-11-07 01:26:43,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:26:43,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:26:43,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:26:43,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:26:43,151 INFO L87 Difference]: Start difference. First operand 144 states and 211 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:26:43,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:43,463 INFO L93 Difference]: Finished difference Result 349 states and 534 transitions. [2021-11-07 01:26:43,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:26:43,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-07 01:26:43,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:43,468 INFO L225 Difference]: With dead ends: 349 [2021-11-07 01:26:43,468 INFO L226 Difference]: Without dead ends: 215 [2021-11-07 01:26:43,469 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:26:43,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-07 01:26:43,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 207. [2021-11-07 01:26:43,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 206 states have (on average 1.441747572815534) internal successors, (297), 206 states have internal predecessors, (297), 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) [2021-11-07 01:26:43,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 297 transitions. [2021-11-07 01:26:43,491 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 297 transitions. Word has length 67 [2021-11-07 01:26:43,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:43,492 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 297 transitions. [2021-11-07 01:26:43,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:26:43,493 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 297 transitions. [2021-11-07 01:26:43,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-07 01:26:43,497 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:43,497 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:43,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-07 01:26:43,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:26:43,714 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:43,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:43,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1528022105, now seen corresponding path program 1 times [2021-11-07 01:26:43,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:26:43,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [180090029] [2021-11-07 01:26:43,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:43,715 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:26:43,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:26:43,717 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:26:43,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:26:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:43,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:26:43,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:26:44,107 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-07 01:26:44,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-07 01:26:44,282 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:26:44,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [180090029] [2021-11-07 01:26:44,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [180090029] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:44,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:26:44,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:26:44,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099552562] [2021-11-07 01:26:44,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:26:44,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:26:44,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:26:44,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:26:44,297 INFO L87 Difference]: Start difference. First operand 207 states and 297 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-11-07 01:26:44,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:44,459 INFO L93 Difference]: Finished difference Result 427 states and 620 transitions. [2021-11-07 01:26:44,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:26:44,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-11-07 01:26:44,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:44,463 INFO L225 Difference]: With dead ends: 427 [2021-11-07 01:26:44,463 INFO L226 Difference]: Without dead ends: 230 [2021-11-07 01:26:44,464 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:26:44,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-11-07 01:26:44,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 226. [2021-11-07 01:26:44,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.4266666666666667) internal successors, (321), 225 states have internal predecessors, (321), 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) [2021-11-07 01:26:44,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 321 transitions. [2021-11-07 01:26:44,504 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 321 transitions. Word has length 68 [2021-11-07 01:26:44,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:44,508 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 321 transitions. [2021-11-07 01:26:44,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-11-07 01:26:44,509 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 321 transitions. [2021-11-07 01:26:44,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-07 01:26:44,519 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:44,520 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:44,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:26:44,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:26:44,739 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:44,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:44,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1678422895, now seen corresponding path program 1 times [2021-11-07 01:26:44,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:26:44,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [726746553] [2021-11-07 01:26:44,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:44,740 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:26:44,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:26:44,742 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:26:44,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:26:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:44,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:26:44,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:26:45,261 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-07 01:26:45,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:45,462 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-07 01:26:45,462 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:26:45,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [726746553] [2021-11-07 01:26:45,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [726746553] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:45,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:26:45,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:26:45,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150849674] [2021-11-07 01:26:45,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:26:45,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:26:45,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:26:45,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:26:45,465 INFO L87 Difference]: Start difference. First operand 226 states and 321 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2021-11-07 01:26:45,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:45,618 INFO L93 Difference]: Finished difference Result 466 states and 670 transitions. [2021-11-07 01:26:45,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:26:45,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 84 [2021-11-07 01:26:45,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:45,622 INFO L225 Difference]: With dead ends: 466 [2021-11-07 01:26:45,622 INFO L226 Difference]: Without dead ends: 250 [2021-11-07 01:26:45,623 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:26:45,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-11-07 01:26:45,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 247. [2021-11-07 01:26:45,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 246 states have (on average 1.410569105691057) internal successors, (347), 246 states have internal predecessors, (347), 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) [2021-11-07 01:26:45,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 347 transitions. [2021-11-07 01:26:45,637 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 347 transitions. Word has length 84 [2021-11-07 01:26:45,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:45,638 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 347 transitions. [2021-11-07 01:26:45,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2021-11-07 01:26:45,639 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 347 transitions. [2021-11-07 01:26:45,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 01:26:45,641 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:45,641 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:45,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:26:45,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:26:45,858 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:45,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:45,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1619803512, now seen corresponding path program 1 times [2021-11-07 01:26:45,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:26:45,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2145767369] [2021-11-07 01:26:45,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:45,860 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:26:45,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:26:45,862 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:26:45,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:26:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:46,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:26:46,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:26:46,360 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-07 01:26:46,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:46,638 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-07 01:26:46,638 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:26:46,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2145767369] [2021-11-07 01:26:46,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2145767369] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:46,639 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:26:46,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:26:46,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927672948] [2021-11-07 01:26:46,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:26:46,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:26:46,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:26:46,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:26:46,641 INFO L87 Difference]: Start difference. First operand 247 states and 347 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 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) [2021-11-07 01:26:46,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:46,718 INFO L93 Difference]: Finished difference Result 743 states and 1042 transitions. [2021-11-07 01:26:46,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:26:46,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 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 103 [2021-11-07 01:26:46,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:46,723 INFO L225 Difference]: With dead ends: 743 [2021-11-07 01:26:46,723 INFO L226 Difference]: Without dead ends: 506 [2021-11-07 01:26:46,724 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:26:46,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2021-11-07 01:26:46,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 506. [2021-11-07 01:26:46,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 505 states have (on average 1.39009900990099) internal successors, (702), 505 states have internal predecessors, (702), 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) [2021-11-07 01:26:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 702 transitions. [2021-11-07 01:26:46,753 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 702 transitions. Word has length 103 [2021-11-07 01:26:46,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:46,754 INFO L470 AbstractCegarLoop]: Abstraction has 506 states and 702 transitions. [2021-11-07 01:26:46,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 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) [2021-11-07 01:26:46,755 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 702 transitions. [2021-11-07 01:26:46,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 01:26:46,758 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:46,758 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:46,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:26:46,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:26:46,972 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:46,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:46,973 INFO L85 PathProgramCache]: Analyzing trace with hash -847602632, now seen corresponding path program 1 times [2021-11-07 01:26:46,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:26:46,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2116221990] [2021-11-07 01:26:46,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:46,973 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:26:46,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:26:46,975 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:26:46,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:26:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:47,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:26:47,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:26:47,529 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-07 01:26:47,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:47,774 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-07 01:26:47,774 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:26:47,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2116221990] [2021-11-07 01:26:47,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2116221990] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:47,774 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:26:47,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:26:47,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536206098] [2021-11-07 01:26:47,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:26:47,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:26:47,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:26:47,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:26:47,776 INFO L87 Difference]: Start difference. First operand 506 states and 702 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-11-07 01:26:47,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:47,816 INFO L93 Difference]: Finished difference Result 1023 states and 1418 transitions. [2021-11-07 01:26:47,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:26:47,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 103 [2021-11-07 01:26:47,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:47,821 INFO L225 Difference]: With dead ends: 1023 [2021-11-07 01:26:47,821 INFO L226 Difference]: Without dead ends: 527 [2021-11-07 01:26:47,824 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:26:47,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2021-11-07 01:26:47,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2021-11-07 01:26:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 526 states have (on average 1.3859315589353611) internal successors, (729), 526 states have internal predecessors, (729), 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) [2021-11-07 01:26:47,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 729 transitions. [2021-11-07 01:26:47,846 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 729 transitions. Word has length 103 [2021-11-07 01:26:47,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:47,848 INFO L470 AbstractCegarLoop]: Abstraction has 527 states and 729 transitions. [2021-11-07 01:26:47,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-11-07 01:26:47,848 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 729 transitions. [2021-11-07 01:26:47,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-07 01:26:47,856 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:47,856 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:47,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:26:48,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:26:48,069 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:48,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:48,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1168582955, now seen corresponding path program 1 times [2021-11-07 01:26:48,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:26:48,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2126220342] [2021-11-07 01:26:48,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:48,070 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:26:48,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:26:48,071 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:26:48,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:26:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:48,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:26:48,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:26:48,623 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-11-07 01:26:48,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:48,918 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-11-07 01:26:48,919 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:26:48,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2126220342] [2021-11-07 01:26:48,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2126220342] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:48,919 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:26:48,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:26:48,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457958673] [2021-11-07 01:26:48,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:26:48,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:26:48,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:26:48,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:26:48,921 INFO L87 Difference]: Start difference. First operand 527 states and 729 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2021-11-07 01:26:48,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:48,954 INFO L93 Difference]: Finished difference Result 1070 states and 1478 transitions. [2021-11-07 01:26:48,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:26:48,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 104 [2021-11-07 01:26:48,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:48,959 INFO L225 Difference]: With dead ends: 1070 [2021-11-07 01:26:48,959 INFO L226 Difference]: Without dead ends: 553 [2021-11-07 01:26:48,960 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:26:48,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2021-11-07 01:26:48,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 553. [2021-11-07 01:26:48,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 552 states have (on average 1.3804347826086956) internal successors, (762), 552 states have internal predecessors, (762), 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) [2021-11-07 01:26:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 762 transitions. [2021-11-07 01:26:48,981 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 762 transitions. Word has length 104 [2021-11-07 01:26:48,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:48,981 INFO L470 AbstractCegarLoop]: Abstraction has 553 states and 762 transitions. [2021-11-07 01:26:48,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2021-11-07 01:26:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 762 transitions. [2021-11-07 01:26:48,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-07 01:26:48,984 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:48,984 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:49,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:26:49,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:26:49,197 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:49,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:49,198 INFO L85 PathProgramCache]: Analyzing trace with hash -53319870, now seen corresponding path program 1 times [2021-11-07 01:26:49,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:26:49,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [776737053] [2021-11-07 01:26:49,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:49,198 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:26:49,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:26:49,200 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:26:49,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:26:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:49,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:26:49,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:26:49,825 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-11-07 01:26:49,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:50,049 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-11-07 01:26:50,050 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:26:50,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [776737053] [2021-11-07 01:26:50,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [776737053] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:50,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:26:50,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:26:50,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658357507] [2021-11-07 01:26:50,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:26:50,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:26:50,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:26:50,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:26:50,053 INFO L87 Difference]: Start difference. First operand 553 states and 762 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:26:50,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:50,136 INFO L93 Difference]: Finished difference Result 1520 states and 2113 transitions. [2021-11-07 01:26:50,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:26:50,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-11-07 01:26:50,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:50,144 INFO L225 Difference]: With dead ends: 1520 [2021-11-07 01:26:50,144 INFO L226 Difference]: Without dead ends: 1003 [2021-11-07 01:26:50,146 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:26:50,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2021-11-07 01:26:50,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 1003. [2021-11-07 01:26:50,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 1002 states have (on average 1.3892215568862276) internal successors, (1392), 1002 states have internal predecessors, (1392), 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) [2021-11-07 01:26:50,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1392 transitions. [2021-11-07 01:26:50,186 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1392 transitions. Word has length 105 [2021-11-07 01:26:50,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:50,187 INFO L470 AbstractCegarLoop]: Abstraction has 1003 states and 1392 transitions. [2021-11-07 01:26:50,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:26:50,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1392 transitions. [2021-11-07 01:26:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-07 01:26:50,191 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:50,192 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:50,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:26:50,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:26:50,407 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:50,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:50,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1519363111, now seen corresponding path program 1 times [2021-11-07 01:26:50,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:26:50,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952208065] [2021-11-07 01:26:50,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:50,409 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:26:50,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:26:50,410 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:26:50,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:26:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:50,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:26:50,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:26:51,311 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-07 01:26:51,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:51,727 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-07 01:26:51,727 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:26:51,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952208065] [2021-11-07 01:26:51,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952208065] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:51,728 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:26:51,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:26:51,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265339452] [2021-11-07 01:26:51,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:26:51,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:26:51,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:26:51,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:26:51,730 INFO L87 Difference]: Start difference. First operand 1003 states and 1392 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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) [2021-11-07 01:26:51,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:51,951 INFO L93 Difference]: Finished difference Result 2091 states and 2938 transitions. [2021-11-07 01:26:51,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:26:51,951 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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 173 [2021-11-07 01:26:51,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:51,967 INFO L225 Difference]: With dead ends: 2091 [2021-11-07 01:26:51,967 INFO L226 Difference]: Without dead ends: 1124 [2021-11-07 01:26:51,968 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:26:51,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2021-11-07 01:26:52,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1095. [2021-11-07 01:26:52,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1095 states, 1094 states have (on average 1.3711151736745886) internal successors, (1500), 1094 states have internal predecessors, (1500), 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) [2021-11-07 01:26:52,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1500 transitions. [2021-11-07 01:26:52,011 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1500 transitions. Word has length 173 [2021-11-07 01:26:52,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:52,012 INFO L470 AbstractCegarLoop]: Abstraction has 1095 states and 1500 transitions. [2021-11-07 01:26:52,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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) [2021-11-07 01:26:52,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1500 transitions. [2021-11-07 01:26:52,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-07 01:26:52,016 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:52,016 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:52,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:26:52,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:26:52,229 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:52,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:52,230 INFO L85 PathProgramCache]: Analyzing trace with hash -759567935, now seen corresponding path program 1 times [2021-11-07 01:26:52,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:26:52,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1932124964] [2021-11-07 01:26:52,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:52,232 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:26:52,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:26:52,233 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:26:52,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 01:26:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:52,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:26:52,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:26:53,470 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 456 proven. 20 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-07 01:26:53,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:53,990 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 440 proven. 36 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-07 01:26:53,990 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:26:53,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1932124964] [2021-11-07 01:26:53,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1932124964] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:26:53,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [884980475] [2021-11-07 01:26:53,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:53,994 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:26:53,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:26:54,001 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:26:54,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-11-07 01:26:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:54,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:26:54,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:26:55,331 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-11-07 01:26:55,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:55,848 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-11-07 01:26:55,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [884980475] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:26:55,848 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:26:55,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 9 [2021-11-07 01:26:55,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065825079] [2021-11-07 01:26:55,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:26:55,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:26:55,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:26:55,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:26:55,851 INFO L87 Difference]: Start difference. First operand 1095 states and 1500 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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) [2021-11-07 01:26:55,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:55,901 INFO L93 Difference]: Finished difference Result 2409 states and 3304 transitions. [2021-11-07 01:26:55,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:26:55,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 194 [2021-11-07 01:26:55,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:55,910 INFO L225 Difference]: With dead ends: 2409 [2021-11-07 01:26:55,910 INFO L226 Difference]: Without dead ends: 1350 [2021-11-07 01:26:55,912 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 772 GetRequests, 765 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:26:55,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2021-11-07 01:26:55,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1350. [2021-11-07 01:26:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1350 states, 1349 states have (on average 1.369162342475908) internal successors, (1847), 1349 states have internal predecessors, (1847), 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) [2021-11-07 01:26:55,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1847 transitions. [2021-11-07 01:26:55,966 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1847 transitions. Word has length 194 [2021-11-07 01:26:55,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:55,966 INFO L470 AbstractCegarLoop]: Abstraction has 1350 states and 1847 transitions. [2021-11-07 01:26:55,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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) [2021-11-07 01:26:55,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1847 transitions. [2021-11-07 01:26:55,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-07 01:26:55,971 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:55,972 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:55,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:26:56,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:26:56,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:26:56,385 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:26:56,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:56,385 INFO L85 PathProgramCache]: Analyzing trace with hash 342847369, now seen corresponding path program 1 times [2021-11-07 01:26:56,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:26:56,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [863296239] [2021-11-07 01:26:56,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:56,386 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:26:56,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:26:56,387 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:26:56,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-07 01:26:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:57,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:26:57,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:26:57,751 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 458 proven. 20 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-07 01:26:57,751 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:58,322 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 442 proven. 36 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-07 01:26:58,322 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:26:58,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [863296239] [2021-11-07 01:26:58,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [863296239] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:26:58,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [630367186] [2021-11-07 01:26:58,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:58,323 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:26:58,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:26:58,326 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:26:58,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2021-11-07 01:26:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:59,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:26:59,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:00,244 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 458 proven. 20 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-07 01:27:00,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:00,709 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 442 proven. 36 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-07 01:27:00,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [630367186] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:27:00,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186535518] [2021-11-07 01:27:00,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:00,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:27:00,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:27:00,718 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:27:00,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-07 01:27:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:01,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:27:01,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:02,286 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 458 proven. 20 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-07 01:27:02,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:02,776 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 442 proven. 36 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-07 01:27:02,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186535518] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:27:02,777 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:27:02,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2021-11-07 01:27:02,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736103305] [2021-11-07 01:27:02,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:27:02,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:27:02,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:27:02,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:27:02,781 INFO L87 Difference]: Start difference. First operand 1350 states and 1847 transitions. Second operand has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 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) [2021-11-07 01:27:03,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:03,527 INFO L93 Difference]: Finished difference Result 3072 states and 4244 transitions. [2021-11-07 01:27:03,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:27:03,528 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 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 196 [2021-11-07 01:27:03,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:03,541 INFO L225 Difference]: With dead ends: 3072 [2021-11-07 01:27:03,541 INFO L226 Difference]: Without dead ends: 1779 [2021-11-07 01:27:03,544 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1176 GetRequests, 1167 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:27:03,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1779 states. [2021-11-07 01:27:03,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1779 to 1663. [2021-11-07 01:27:03,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1663 states, 1662 states have (on average 1.362214199759326) internal successors, (2264), 1662 states have internal predecessors, (2264), 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) [2021-11-07 01:27:03,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 2264 transitions. [2021-11-07 01:27:03,635 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 2264 transitions. Word has length 196 [2021-11-07 01:27:03,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:03,635 INFO L470 AbstractCegarLoop]: Abstraction has 1663 states and 2264 transitions. [2021-11-07 01:27:03,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 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) [2021-11-07 01:27:03,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 2264 transitions. [2021-11-07 01:27:03,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-07 01:27:03,642 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:03,642 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:27:03,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:03,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:04,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:04,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:27:04,258 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:27:04,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:04,258 INFO L85 PathProgramCache]: Analyzing trace with hash 228275513, now seen corresponding path program 1 times [2021-11-07 01:27:04,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:27:04,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181798833] [2021-11-07 01:27:04,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:04,259 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:27:04,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:27:04,261 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:27:04,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-07 01:27:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:05,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:27:05,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:05,590 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 463 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2021-11-07 01:27:05,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:05,987 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 463 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2021-11-07 01:27:05,987 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:27:05,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181798833] [2021-11-07 01:27:05,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181798833] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:27:05,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:27:05,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:27:05,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427402887] [2021-11-07 01:27:05,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:27:05,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:27:05,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:27:05,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:27:05,989 INFO L87 Difference]: Start difference. First operand 1663 states and 2264 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:27:06,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:06,270 INFO L93 Difference]: Finished difference Result 3473 states and 4788 transitions. [2021-11-07 01:27:06,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:27:06,271 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2021-11-07 01:27:06,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:06,284 INFO L225 Difference]: With dead ends: 3473 [2021-11-07 01:27:06,284 INFO L226 Difference]: Without dead ends: 1867 [2021-11-07 01:27:06,287 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:27:06,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1867 states. [2021-11-07 01:27:06,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1867 to 1831. [2021-11-07 01:27:06,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1831 states, 1830 states have (on average 1.3420765027322403) internal successors, (2456), 1830 states have internal predecessors, (2456), 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) [2021-11-07 01:27:06,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1831 states and 2456 transitions. [2021-11-07 01:27:06,354 INFO L78 Accepts]: Start accepts. Automaton has 1831 states and 2456 transitions. Word has length 221 [2021-11-07 01:27:06,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:06,354 INFO L470 AbstractCegarLoop]: Abstraction has 1831 states and 2456 transitions. [2021-11-07 01:27:06,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:27:06,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2456 transitions. [2021-11-07 01:27:06,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-07 01:27:06,361 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:06,362 INFO L513 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:27:06,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:06,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:27:06,578 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:27:06,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:06,578 INFO L85 PathProgramCache]: Analyzing trace with hash 629263864, now seen corresponding path program 1 times [2021-11-07 01:27:06,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:27:06,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176099671] [2021-11-07 01:27:06,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:06,580 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:27:06,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:27:06,580 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:27:06,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-07 01:27:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:07,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:27:07,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:08,069 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2021-11-07 01:27:08,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:08,496 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2021-11-07 01:27:08,496 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:27:08,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176099671] [2021-11-07 01:27:08,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1176099671] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:27:08,497 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:27:08,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:27:08,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502466408] [2021-11-07 01:27:08,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:27:08,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:27:08,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:27:08,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:27:08,501 INFO L87 Difference]: Start difference. First operand 1831 states and 2456 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 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) [2021-11-07 01:27:08,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:08,750 INFO L93 Difference]: Finished difference Result 3809 states and 5192 transitions. [2021-11-07 01:27:08,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:27:08,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 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 232 [2021-11-07 01:27:08,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:08,763 INFO L225 Difference]: With dead ends: 3809 [2021-11-07 01:27:08,763 INFO L226 Difference]: Without dead ends: 2035 [2021-11-07 01:27:08,767 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:27:08,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2035 states. [2021-11-07 01:27:08,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2035 to 2017. [2021-11-07 01:27:08,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2017 states, 2016 states have (on average 1.3224206349206349) internal successors, (2666), 2016 states have internal predecessors, (2666), 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) [2021-11-07 01:27:08,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 2017 states and 2666 transitions. [2021-11-07 01:27:08,843 INFO L78 Accepts]: Start accepts. Automaton has 2017 states and 2666 transitions. Word has length 232 [2021-11-07 01:27:08,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:08,843 INFO L470 AbstractCegarLoop]: Abstraction has 2017 states and 2666 transitions. [2021-11-07 01:27:08,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 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) [2021-11-07 01:27:08,844 INFO L276 IsEmpty]: Start isEmpty. Operand 2017 states and 2666 transitions. [2021-11-07 01:27:08,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-07 01:27:08,851 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:08,852 INFO L513 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:27:08,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:09,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:27:09,067 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:27:09,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:09,068 INFO L85 PathProgramCache]: Analyzing trace with hash -749493446, now seen corresponding path program 1 times [2021-11-07 01:27:09,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:27:09,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399689200] [2021-11-07 01:27:09,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:09,069 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:27:09,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:27:09,070 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:27:09,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-07 01:27:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:10,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:27:10,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:10,711 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2021-11-07 01:27:10,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:11,258 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2021-11-07 01:27:11,258 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:27:11,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [399689200] [2021-11-07 01:27:11,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [399689200] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:27:11,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:27:11,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:27:11,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079455112] [2021-11-07 01:27:11,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:27:11,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:27:11,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:27:11,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:27:11,261 INFO L87 Difference]: Start difference. First operand 2017 states and 2666 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 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) [2021-11-07 01:27:11,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:11,528 INFO L93 Difference]: Finished difference Result 4259 states and 5714 transitions. [2021-11-07 01:27:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:27:11,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 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 262 [2021-11-07 01:27:11,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:11,543 INFO L225 Difference]: With dead ends: 4259 [2021-11-07 01:27:11,544 INFO L226 Difference]: Without dead ends: 2299 [2021-11-07 01:27:11,547 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:27:11,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2299 states. [2021-11-07 01:27:11,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2299 to 2239. [2021-11-07 01:27:11,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2239 states, 2238 states have (on average 1.3011617515638962) internal successors, (2912), 2238 states have internal predecessors, (2912), 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) [2021-11-07 01:27:11,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 2912 transitions. [2021-11-07 01:27:11,647 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 2912 transitions. Word has length 262 [2021-11-07 01:27:11,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:11,648 INFO L470 AbstractCegarLoop]: Abstraction has 2239 states and 2912 transitions. [2021-11-07 01:27:11,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 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) [2021-11-07 01:27:11,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 2912 transitions. [2021-11-07 01:27:11,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-07 01:27:11,695 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:11,695 INFO L513 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:27:11,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2021-11-07 01:27:11,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:27:11,910 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:27:11,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:11,910 INFO L85 PathProgramCache]: Analyzing trace with hash -120716101, now seen corresponding path program 1 times [2021-11-07 01:27:11,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:27:11,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [742935188] [2021-11-07 01:27:11,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:11,911 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:27:11,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:27:11,912 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:27:11,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-07 01:27:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:13,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:27:13,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:13,836 INFO L134 CoverageAnalysis]: Checked inductivity of 998 backedges. 635 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2021-11-07 01:27:13,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:14,385 INFO L134 CoverageAnalysis]: Checked inductivity of 998 backedges. 635 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2021-11-07 01:27:14,385 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:27:14,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [742935188] [2021-11-07 01:27:14,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [742935188] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:27:14,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:27:14,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:27:14,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56967010] [2021-11-07 01:27:14,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:27:14,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:27:14,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:27:14,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:27:14,388 INFO L87 Difference]: Start difference. First operand 2239 states and 2912 transitions. Second operand has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 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) [2021-11-07 01:27:14,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:14,542 INFO L93 Difference]: Finished difference Result 8587 states and 11198 transitions. [2021-11-07 01:27:14,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:27:14,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 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 263 [2021-11-07 01:27:14,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:14,582 INFO L225 Difference]: With dead ends: 8587 [2021-11-07 01:27:14,582 INFO L226 Difference]: Without dead ends: 6405 [2021-11-07 01:27:14,587 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:27:14,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6405 states. [2021-11-07 01:27:14,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6405 to 6401. [2021-11-07 01:27:14,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6401 states, 6400 states have (on average 1.303125) internal successors, (8340), 6400 states have internal predecessors, (8340), 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) [2021-11-07 01:27:14,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6401 states to 6401 states and 8340 transitions. [2021-11-07 01:27:14,900 INFO L78 Accepts]: Start accepts. Automaton has 6401 states and 8340 transitions. Word has length 263 [2021-11-07 01:27:14,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:14,901 INFO L470 AbstractCegarLoop]: Abstraction has 6401 states and 8340 transitions. [2021-11-07 01:27:14,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 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) [2021-11-07 01:27:14,902 INFO L276 IsEmpty]: Start isEmpty. Operand 6401 states and 8340 transitions. [2021-11-07 01:27:14,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-07 01:27:14,920 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:14,921 INFO L513 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:27:14,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:15,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:27:15,140 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:27:15,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:15,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1096027025, now seen corresponding path program 1 times [2021-11-07 01:27:15,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:27:15,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776387397] [2021-11-07 01:27:15,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:15,141 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:27:15,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:27:15,142 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:27:15,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-07 01:27:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:16,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:27:16,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:17,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 654 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2021-11-07 01:27:17,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:17,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 654 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2021-11-07 01:27:17,791 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:27:17,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776387397] [2021-11-07 01:27:17,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776387397] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:27:17,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:27:17,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:27:17,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860270951] [2021-11-07 01:27:17,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:27:17,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:27:17,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:27:17,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:27:17,794 INFO L87 Difference]: Start difference. First operand 6401 states and 8340 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 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) [2021-11-07 01:27:18,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:18,227 INFO L93 Difference]: Finished difference Result 13123 states and 17164 transitions. [2021-11-07 01:27:18,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:27:18,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 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 287 [2021-11-07 01:27:18,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:18,294 INFO L225 Difference]: With dead ends: 13123 [2021-11-07 01:27:18,295 INFO L226 Difference]: Without dead ends: 6779 [2021-11-07 01:27:18,303 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 570 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:27:18,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6779 states. [2021-11-07 01:27:18,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6779 to 6599. [2021-11-07 01:27:18,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6599 states, 6598 states have (on average 1.2958472264322523) internal successors, (8550), 6598 states have internal predecessors, (8550), 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) [2021-11-07 01:27:18,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6599 states to 6599 states and 8550 transitions. [2021-11-07 01:27:18,634 INFO L78 Accepts]: Start accepts. Automaton has 6599 states and 8550 transitions. Word has length 287 [2021-11-07 01:27:18,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:18,635 INFO L470 AbstractCegarLoop]: Abstraction has 6599 states and 8550 transitions. [2021-11-07 01:27:18,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 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) [2021-11-07 01:27:18,636 INFO L276 IsEmpty]: Start isEmpty. Operand 6599 states and 8550 transitions. [2021-11-07 01:27:18,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-07 01:27:18,655 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:18,655 INFO L513 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:27:18,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:18,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:27:18,873 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:27:18,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:18,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1966900500, now seen corresponding path program 1 times [2021-11-07 01:27:18,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:27:18,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892806017] [2021-11-07 01:27:18,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:18,875 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:27:18,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:27:18,876 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:27:18,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-07 01:27:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:20,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:27:20,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:21,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1207 backedges. 667 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2021-11-07 01:27:21,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:21,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1207 backedges. 667 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2021-11-07 01:27:21,670 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:27:21,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892806017] [2021-11-07 01:27:21,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892806017] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:27:21,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:27:21,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:27:21,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088545174] [2021-11-07 01:27:21,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:27:21,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:27:21,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:27:21,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:27:21,673 INFO L87 Difference]: Start difference. First operand 6599 states and 8550 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 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) [2021-11-07 01:27:22,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:22,036 INFO L93 Difference]: Finished difference Result 13987 states and 18394 transitions. [2021-11-07 01:27:22,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:27:22,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 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 299 [2021-11-07 01:27:22,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:22,053 INFO L225 Difference]: With dead ends: 13987 [2021-11-07 01:27:22,053 INFO L226 Difference]: Without dead ends: 7445 [2021-11-07 01:27:22,062 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 596 GetRequests, 594 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:27:22,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7445 states. [2021-11-07 01:27:22,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7445 to 7265. [2021-11-07 01:27:22,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7265 states, 7264 states have (on average 1.27863436123348) internal successors, (9288), 7264 states have internal predecessors, (9288), 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) [2021-11-07 01:27:22,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7265 states to 7265 states and 9288 transitions. [2021-11-07 01:27:22,314 INFO L78 Accepts]: Start accepts. Automaton has 7265 states and 9288 transitions. Word has length 299 [2021-11-07 01:27:22,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:22,315 INFO L470 AbstractCegarLoop]: Abstraction has 7265 states and 9288 transitions. [2021-11-07 01:27:22,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 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) [2021-11-07 01:27:22,316 INFO L276 IsEmpty]: Start isEmpty. Operand 7265 states and 9288 transitions. [2021-11-07 01:27:22,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-07 01:27:22,336 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:22,336 INFO L513 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:27:22,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:22,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:27:22,585 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:27:22,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:22,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1281776100, now seen corresponding path program 1 times [2021-11-07 01:27:22,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:27:22,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1293467325] [2021-11-07 01:27:22,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:22,586 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:27:22,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:27:22,587 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:27:22,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-07 01:27:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:24,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:27:24,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:24,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1448 backedges. 759 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2021-11-07 01:27:24,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:25,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1448 backedges. 759 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2021-11-07 01:27:25,473 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:27:25,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1293467325] [2021-11-07 01:27:25,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1293467325] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:27:25,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:27:25,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:27:25,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027416207] [2021-11-07 01:27:25,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:27:25,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:27:25,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:27:25,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:27:25,475 INFO L87 Difference]: Start difference. First operand 7265 states and 9288 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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) [2021-11-07 01:27:25,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:25,836 INFO L93 Difference]: Finished difference Result 15373 states and 19960 transitions. [2021-11-07 01:27:25,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:27:25,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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 336 [2021-11-07 01:27:25,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:25,853 INFO L225 Difference]: With dead ends: 15373 [2021-11-07 01:27:25,853 INFO L226 Difference]: Without dead ends: 8165 [2021-11-07 01:27:25,860 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 670 GetRequests, 668 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:27:25,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8165 states. [2021-11-07 01:27:26,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8165 to 8003. [2021-11-07 01:27:26,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8003 states, 8002 states have (on average 1.2619345163709073) internal successors, (10098), 8002 states have internal predecessors, (10098), 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) [2021-11-07 01:27:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8003 states to 8003 states and 10098 transitions. [2021-11-07 01:27:26,127 INFO L78 Accepts]: Start accepts. Automaton has 8003 states and 10098 transitions. Word has length 336 [2021-11-07 01:27:26,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:26,128 INFO L470 AbstractCegarLoop]: Abstraction has 8003 states and 10098 transitions. [2021-11-07 01:27:26,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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) [2021-11-07 01:27:26,128 INFO L276 IsEmpty]: Start isEmpty. Operand 8003 states and 10098 transitions. [2021-11-07 01:27:26,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-11-07 01:27:26,148 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:26,148 INFO L513 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:27:26,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:26,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:27:26,368 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:27:26,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:26,368 INFO L85 PathProgramCache]: Analyzing trace with hash -321729676, now seen corresponding path program 1 times [2021-11-07 01:27:26,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:27:26,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [583819751] [2021-11-07 01:27:26,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:26,369 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:27:26,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:27:26,370 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:27:26,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-07 01:27:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:27,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:27:28,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:28,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 905 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2021-11-07 01:27:28,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:29,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 905 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2021-11-07 01:27:29,349 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:27:29,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [583819751] [2021-11-07 01:27:29,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [583819751] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:27:29,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1207515879] [2021-11-07 01:27:29,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:29,350 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:27:29,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:27:29,351 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:27:29,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2021-11-07 01:27:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:31,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:27:31,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:32,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 905 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2021-11-07 01:27:32,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:33,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 905 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2021-11-07 01:27:33,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1207515879] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:27:33,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271647970] [2021-11-07 01:27:33,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:33,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:27:33,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:27:33,320 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:27:33,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-11-07 01:27:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:35,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:27:35,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:36,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 905 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2021-11-07 01:27:36,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:37,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 905 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2021-11-07 01:27:37,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271647970] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:27:37,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:27:37,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 6 [2021-11-07 01:27:37,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382701200] [2021-11-07 01:27:37,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:27:37,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:27:37,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:27:37,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:27:37,194 INFO L87 Difference]: Start difference. First operand 8003 states and 10098 transitions. Second operand has 6 states, 6 states have (on average 38.333333333333336) internal successors, (230), 6 states have internal predecessors, (230), 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) [2021-11-07 01:27:38,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:38,178 INFO L93 Difference]: Finished difference Result 25706 states and 32511 transitions. [2021-11-07 01:27:38,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:27:38,179 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.333333333333336) internal successors, (230), 6 states have internal predecessors, (230), 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 359 [2021-11-07 01:27:38,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:38,223 INFO L225 Difference]: With dead ends: 25706 [2021-11-07 01:27:38,223 INFO L226 Difference]: Without dead ends: 17760 [2021-11-07 01:27:38,234 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2156 GetRequests, 2148 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:27:38,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17760 states. [2021-11-07 01:27:38,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17760 to 10930. [2021-11-07 01:27:38,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10930 states, 10929 states have (on average 1.2780675267636563) internal successors, (13968), 10929 states have internal predecessors, (13968), 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) [2021-11-07 01:27:38,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10930 states to 10930 states and 13968 transitions. [2021-11-07 01:27:38,649 INFO L78 Accepts]: Start accepts. Automaton has 10930 states and 13968 transitions. Word has length 359 [2021-11-07 01:27:38,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:38,650 INFO L470 AbstractCegarLoop]: Abstraction has 10930 states and 13968 transitions. [2021-11-07 01:27:38,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.333333333333336) internal successors, (230), 6 states have internal predecessors, (230), 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) [2021-11-07 01:27:38,651 INFO L276 IsEmpty]: Start isEmpty. Operand 10930 states and 13968 transitions. [2021-11-07 01:27:38,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2021-11-07 01:27:38,674 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:38,675 INFO L513 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 14, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:27:38,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:38,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:39,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:39,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:27:39,290 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:27:39,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:39,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1433832451, now seen corresponding path program 1 times [2021-11-07 01:27:39,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:27:39,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991349781] [2021-11-07 01:27:39,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:39,292 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:27:39,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:27:39,293 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:27:39,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-07 01:27:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:41,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:27:41,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:42,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1577 backedges. 930 proven. 0 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2021-11-07 01:27:42,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:42,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1577 backedges. 930 proven. 0 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2021-11-07 01:27:42,836 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:27:42,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991349781] [2021-11-07 01:27:42,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1991349781] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:27:42,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:27:42,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:27:42,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259778809] [2021-11-07 01:27:42,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:27:42,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:27:42,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:27:42,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:27:42,839 INFO L87 Difference]: Start difference. First operand 10930 states and 13968 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2021-11-07 01:27:43,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:43,050 INFO L93 Difference]: Finished difference Result 22761 states and 28697 transitions. [2021-11-07 01:27:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:27:43,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 361 [2021-11-07 01:27:43,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:43,077 INFO L225 Difference]: With dead ends: 22761 [2021-11-07 01:27:43,077 INFO L226 Difference]: Without dead ends: 11888 [2021-11-07 01:27:43,089 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 719 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:27:43,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11888 states. [2021-11-07 01:27:43,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11888 to 11329. [2021-11-07 01:27:43,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11329 states, 11328 states have (on average 1.2457627118644068) internal successors, (14112), 11328 states have internal predecessors, (14112), 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) [2021-11-07 01:27:43,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11329 states to 11329 states and 14112 transitions. [2021-11-07 01:27:43,550 INFO L78 Accepts]: Start accepts. Automaton has 11329 states and 14112 transitions. Word has length 361 [2021-11-07 01:27:43,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:43,551 INFO L470 AbstractCegarLoop]: Abstraction has 11329 states and 14112 transitions. [2021-11-07 01:27:43,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2021-11-07 01:27:43,551 INFO L276 IsEmpty]: Start isEmpty. Operand 11329 states and 14112 transitions. [2021-11-07 01:27:43,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-11-07 01:27:43,575 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:43,575 INFO L513 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 15, 14, 12, 12, 11, 11, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:27:43,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:43,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:27:43,790 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:27:43,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:43,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1396739116, now seen corresponding path program 1 times [2021-11-07 01:27:43,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:27:43,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2125912218] [2021-11-07 01:27:43,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:43,791 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:27:43,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:27:43,792 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:27:43,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-07 01:27:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:46,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:27:46,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:47,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 1034 proven. 0 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2021-11-07 01:27:47,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:48,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 1034 proven. 0 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2021-11-07 01:27:48,573 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:27:48,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2125912218] [2021-11-07 01:27:48,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2125912218] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:27:48,574 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:27:48,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:27:48,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751225595] [2021-11-07 01:27:48,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:27:48,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:27:48,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:27:48,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:27:48,576 INFO L87 Difference]: Start difference. First operand 11329 states and 14112 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2021-11-07 01:27:48,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:48,768 INFO L93 Difference]: Finished difference Result 17799 states and 22219 transitions. [2021-11-07 01:27:48,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:27:48,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 434 [2021-11-07 01:27:48,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:48,783 INFO L225 Difference]: With dead ends: 17799 [2021-11-07 01:27:48,783 INFO L226 Difference]: Without dead ends: 7732 [2021-11-07 01:27:48,793 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 866 GetRequests, 865 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:27:48,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7732 states. [2021-11-07 01:27:49,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7732 to 7730. [2021-11-07 01:27:49,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7730 states, 7729 states have (on average 1.2564367964807865) internal successors, (9711), 7729 states have internal predecessors, (9711), 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) [2021-11-07 01:27:49,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7730 states to 7730 states and 9711 transitions. [2021-11-07 01:27:49,033 INFO L78 Accepts]: Start accepts. Automaton has 7730 states and 9711 transitions. Word has length 434 [2021-11-07 01:27:49,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:49,033 INFO L470 AbstractCegarLoop]: Abstraction has 7730 states and 9711 transitions. [2021-11-07 01:27:49,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2021-11-07 01:27:49,034 INFO L276 IsEmpty]: Start isEmpty. Operand 7730 states and 9711 transitions. [2021-11-07 01:27:49,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2021-11-07 01:27:49,055 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:49,056 INFO L513 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 19, 18, 17, 15, 15, 14, 14, 13, 13, 12, 11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:27:49,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:49,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:27:49,306 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:27:49,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:49,306 INFO L85 PathProgramCache]: Analyzing trace with hash -839302048, now seen corresponding path program 1 times [2021-11-07 01:27:49,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:27:49,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1495050037] [2021-11-07 01:27:49,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:49,307 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:27:49,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:27:49,309 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:27:49,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-07 01:27:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:51,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:27:51,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:52,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3220 backedges. 1527 proven. 0 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2021-11-07 01:27:52,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:54,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3220 backedges. 1527 proven. 0 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2021-11-07 01:27:54,002 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:27:54,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1495050037] [2021-11-07 01:27:54,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1495050037] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:27:54,002 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:27:54,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:27:54,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706791399] [2021-11-07 01:27:54,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:27:54,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:27:54,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:27:54,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:27:54,005 INFO L87 Difference]: Start difference. First operand 7730 states and 9711 transitions. Second operand has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 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) [2021-11-07 01:27:54,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:54,320 INFO L93 Difference]: Finished difference Result 15781 states and 20041 transitions. [2021-11-07 01:27:54,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:27:54,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 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 544 [2021-11-07 01:27:54,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:54,329 INFO L225 Difference]: With dead ends: 15781 [2021-11-07 01:27:54,329 INFO L226 Difference]: Without dead ends: 7352 [2021-11-07 01:27:54,336 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1086 GetRequests, 1084 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:27:54,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7352 states. [2021-11-07 01:27:54,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7352 to 7298. [2021-11-07 01:27:54,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7298 states, 7297 states have (on average 1.2420172673701522) internal successors, (9063), 7297 states have internal predecessors, (9063), 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) [2021-11-07 01:27:54,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7298 states to 7298 states and 9063 transitions. [2021-11-07 01:27:54,626 INFO L78 Accepts]: Start accepts. Automaton has 7298 states and 9063 transitions. Word has length 544 [2021-11-07 01:27:54,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:54,627 INFO L470 AbstractCegarLoop]: Abstraction has 7298 states and 9063 transitions. [2021-11-07 01:27:54,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 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) [2021-11-07 01:27:54,627 INFO L276 IsEmpty]: Start isEmpty. Operand 7298 states and 9063 transitions. [2021-11-07 01:27:54,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2021-11-07 01:27:54,640 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:54,641 INFO L513 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 21, 20, 19, 17, 17, 16, 16, 15, 15, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:27:54,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-07 01:27:54,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:27:54,853 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:27:54,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:54,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1723660819, now seen corresponding path program 1 times [2021-11-07 01:27:54,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:27:54,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [671379878] [2021-11-07 01:27:54,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:54,856 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:27:54,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:27:54,857 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:27:54,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-07 01:27:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:58,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:27:58,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:27:59,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4151 backedges. 2135 proven. 14 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2021-11-07 01:27:59,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:28:00,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4151 backedges. 2135 proven. 14 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2021-11-07 01:28:00,601 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:28:00,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [671379878] [2021-11-07 01:28:00,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [671379878] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:28:00,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1271586471] [2021-11-07 01:28:00,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:28:00,602 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:28:00,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:28:00,608 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:28:00,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2021-11-07 01:28:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:28:04,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:28:04,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:28:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4151 backedges. 2135 proven. 14 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2021-11-07 01:28:05,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:28:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4151 backedges. 2135 proven. 14 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2021-11-07 01:28:07,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1271586471] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:28:07,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960202643] [2021-11-07 01:28:07,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:28:07,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:28:07,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:28:07,205 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:28:07,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-11-07 01:28:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:28:11,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:28:11,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:28:12,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4151 backedges. 2135 proven. 14 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2021-11-07 01:28:12,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:28:13,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4151 backedges. 2135 proven. 14 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2021-11-07 01:28:13,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960202643] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:28:13,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:28:13,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 6 [2021-11-07 01:28:13,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742890436] [2021-11-07 01:28:13,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:28:13,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:28:13,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:28:13,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:28:13,813 INFO L87 Difference]: Start difference. First operand 7298 states and 9063 transitions. Second operand has 6 states, 6 states have (on average 45.5) internal successors, (273), 6 states have internal predecessors, (273), 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) [2021-11-07 01:28:14,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:28:14,078 INFO L93 Difference]: Finished difference Result 7511 states and 9333 transitions. [2021-11-07 01:28:14,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:28:14,078 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 45.5) internal successors, (273), 6 states have internal predecessors, (273), 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 619 [2021-11-07 01:28:14,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:28:14,079 INFO L225 Difference]: With dead ends: 7511 [2021-11-07 01:28:14,079 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:28:14,084 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3712 GetRequests, 3706 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:28:14,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:28:14,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:28:14,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:28:14,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:28:14,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 619 [2021-11-07 01:28:14,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:28:14,086 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:28:14,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 45.5) internal successors, (273), 6 states have internal predecessors, (273), 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) [2021-11-07 01:28:14,087 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:28:14,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:28:14,090 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:28:14,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-07 01:28:14,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2021-11-07 01:28:14,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2021-11-07 01:28:14,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:28:14,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:28:14,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:14,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:14,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:14,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:15,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:15,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:15,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:15,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:15,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:15,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:15,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:15,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:15,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:15,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:15,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:15,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:15,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:15,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:16,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:16,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:16,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:16,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:16,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:20,818 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 503) no Hoare annotation was computed. [2021-11-07 01:28:20,818 INFO L857 garLoopResultBuilder]: For program point L465(lines 465 476) no Hoare annotation was computed. [2021-11-07 01:28:20,819 INFO L857 garLoopResultBuilder]: For program point L465-1(lines 465 476) no Hoare annotation was computed. [2021-11-07 01:28:20,819 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 337) no Hoare annotation was computed. [2021-11-07 01:28:20,819 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 275) no Hoare annotation was computed. [2021-11-07 01:28:20,819 INFO L857 garLoopResultBuilder]: For program point L333-2(lines 207 539) no Hoare annotation was computed. [2021-11-07 01:28:20,819 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 404) no Hoare annotation was computed. [2021-11-07 01:28:20,819 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 543) no Hoare annotation was computed. [2021-11-07 01:28:20,820 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 554) no Hoare annotation was computed. [2021-11-07 01:28:20,820 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 565) no Hoare annotation was computed. [2021-11-07 01:28:20,820 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 75 624) no Hoare annotation was computed. [2021-11-07 01:28:20,820 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 473) no Hoare annotation was computed. [2021-11-07 01:28:20,820 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2021-11-07 01:28:20,820 INFO L857 garLoopResultBuilder]: For program point L302-2(lines 302 306) no Hoare annotation was computed. [2021-11-07 01:28:20,821 INFO L860 garLoopResultBuilder]: At program point L203(lines 202 543) the Hoare annotation is: true [2021-11-07 01:28:20,821 INFO L853 garLoopResultBuilder]: At program point L137(lines 133 566) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4368 32)))) (.cse1 (not (= (_ bv4432 32) ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse3 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4096 32)))) (.cse4 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv20480 32)))) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv12292 32)))) (.cse6 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4369 32)))) (.cse7 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv16384 32)))) (.cse8 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4099 32))))) (or (and .cse0 (not (= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 (_ bv4368 32))) (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0) (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse1 (= (_ bv256 32) ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0) .cse2 .cse3 .cse4 .cse5 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse6 .cse7 .cse8 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0)) (and .cse0 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-11-07 01:28:20,821 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-07 01:28:20,821 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 274) no Hoare annotation was computed. [2021-11-07 01:28:20,821 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 242) no Hoare annotation was computed. [2021-11-07 01:28:20,822 INFO L857 garLoopResultBuilder]: For program point L270-2(lines 207 539) no Hoare annotation was computed. [2021-11-07 01:28:20,822 INFO L860 garLoopResultBuilder]: At program point L634(lines 626 636) the Hoare annotation is: true [2021-11-07 01:28:20,822 INFO L857 garLoopResultBuilder]: For program point L172(lines 172 553) no Hoare annotation was computed. [2021-11-07 01:28:20,822 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 564) no Hoare annotation was computed. [2021-11-07 01:28:20,822 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 575) no Hoare annotation was computed. [2021-11-07 01:28:20,823 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 441) no Hoare annotation was computed. [2021-11-07 01:28:20,823 INFO L857 garLoopResultBuilder]: For program point L437-2(lines 207 539) no Hoare annotation was computed. [2021-11-07 01:28:20,823 INFO L860 garLoopResultBuilder]: At program point L206(lines 205 542) the Hoare annotation is: true [2021-11-07 01:28:20,823 INFO L853 garLoopResultBuilder]: At program point L173(lines 169 554) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4368 32)))) (.cse1 (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0)) (.cse2 (not (= (_ bv4432 32) ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse4 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4096 32)))) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv20480 32)))) (.cse6 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv12292 32)))) (.cse7 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4369 32)))) (.cse8 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv16384 32)))) (.cse9 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4099 32)))) (.cse10 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0))) (or (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse2 (= (_ bv256 32) ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0) .cse3 .cse4 .cse5 .cse6 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse7 .cse8 .cse9 .cse10))) [2021-11-07 01:28:20,823 INFO L853 garLoopResultBuilder]: At program point L107(lines 106 575) the Hoare annotation is: (and (= (_ bv0 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv12292 32))) [2021-11-07 01:28:20,824 INFO L857 garLoopResultBuilder]: For program point L372(lines 372 376) no Hoare annotation was computed. [2021-11-07 01:28:20,824 INFO L857 garLoopResultBuilder]: For program point L406(lines 406 411) no Hoare annotation was computed. [2021-11-07 01:28:20,824 INFO L857 garLoopResultBuilder]: For program point L406-2(lines 406 411) no Hoare annotation was computed. [2021-11-07 01:28:20,824 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 552) no Hoare annotation was computed. [2021-11-07 01:28:20,824 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 563) no Hoare annotation was computed. [2021-11-07 01:28:20,824 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 574) no Hoare annotation was computed. [2021-11-07 01:28:20,825 INFO L853 garLoopResultBuilder]: At program point L143(lines 139 564) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4368 32)))) (.cse1 (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0)) (.cse2 (not (= (_ bv4432 32) ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse4 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4096 32)))) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv20480 32)))) (.cse6 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv12292 32)))) (.cse7 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4369 32)))) (.cse8 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv16384 32)))) (.cse9 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4099 32))))) (or (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 (= (_ bv256 32) ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0) .cse3 .cse4 .cse5 .cse6 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse7 .cse8 .cse9))) [2021-11-07 01:28:20,825 INFO L853 garLoopResultBuilder]: At program point L540(lines 103 606) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4368 32)))) (let ((.cse8 (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4448 32))) (.cse20 (= (_ bv4432 32) ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse22 (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4400 32))) (.cse21 (not (= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 (_ bv4368 32)))) (.cse26 (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv3 32))) (.cse27 (= (_ bv4464 32) ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse25 (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4496 32))) (.cse6 (= (_ bv4480 32) ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse24 (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4528 32))) (.cse9 (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4416 32))) (.cse12 (not .cse0)) (.cse1 (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0)) (.cse2 (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0))) (.cse3 (= (_ bv256 32) ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (.cse13 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4096 32)))) (.cse14 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv20480 32)))) (.cse15 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv12292 32)))) (.cse5 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0))) (.cse16 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4369 32)))) (.cse17 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv16384 32)))) (.cse18 (= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 (_ bv4560 32))) (.cse19 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4099 32)))) (.cse7 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0)) (.cse10 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (.cse23 (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4512 32))) (.cse11 (not .cse4))) (or (and .cse0 (= (_ bv0 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse2 .cse3 .cse4 .cse8 .cse5 .cse7) (and .cse1 .cse3 .cse4 .cse9 .cse5) (and .cse10 (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4560 32)) .cse11) (and .cse12 .cse1 .cse10 .cse4 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse7) (and .cse1 .cse10 .cse4 .cse20 .cse7) (and .cse21 .cse1 .cse2 .cse3 .cse4 .cse22 .cse5 .cse7) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse23 .cse7) (and .cse1 .cse10 .cse24 .cse7) (and .cse1 .cse2 .cse25 .cse3 .cse4 .cse5 .cse7) (and .cse21 .cse10 .cse26 .cse11) (and .cse1 .cse10 .cse4 .cse8 .cse7) (and .cse1 .cse10 .cse23 .cse7) (and .cse1 .cse2 .cse3 .cse4 .cse20 .cse5 .cse7) (and .cse10 .cse4 .cse22) (and .cse21 .cse1 .cse2 .cse3 .cse26 .cse11 .cse7) (and .cse1 .cse2 .cse27 .cse3 .cse4 .cse5 .cse7) (and (= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 (_ bv3 32)) .cse10 .cse11 (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4352 32))) (and .cse10 .cse24 .cse11) (and (= (_ bv1 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4384 32))) (and .cse1 .cse27 .cse10 .cse4 .cse7) (and .cse1 .cse25 .cse10 .cse4 .cse7) (and .cse1 .cse10 .cse4 .cse6 .cse7) (and .cse1 .cse2 .cse3 .cse4 .cse24 .cse5 .cse7) (and .cse1 .cse10 .cse4 .cse9) (and .cse12 .cse1 .cse2 .cse3 .cse4 .cse13 .cse14 .cse15 .cse5 .cse16 .cse17 .cse18 .cse19 .cse7) (and .cse10 .cse23 .cse11)))) [2021-11-07 01:28:20,825 INFO L860 garLoopResultBuilder]: At program point L607(lines 102 608) the Hoare annotation is: true [2021-11-07 01:28:20,826 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 551) no Hoare annotation was computed. [2021-11-07 01:28:20,826 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 562) no Hoare annotation was computed. [2021-11-07 01:28:20,826 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 573) no Hoare annotation was computed. [2021-11-07 01:28:20,826 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 381) no Hoare annotation was computed. [2021-11-07 01:28:20,826 INFO L857 garLoopResultBuilder]: For program point L377-2(lines 377 381) no Hoare annotation was computed. [2021-11-07 01:28:20,826 INFO L857 garLoopResultBuilder]: For program point L311-1(lines 311 325) no Hoare annotation was computed. [2021-11-07 01:28:20,827 INFO L853 garLoopResultBuilder]: At program point L212(lines 109 574) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4368 32))) (= (_ bv0 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) (not (= (_ bv4432 32) ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv20480 32))) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv12292 32))) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4400 32))) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4369 32))) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv16384 32))) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4099 32)))) [2021-11-07 01:28:20,827 INFO L853 garLoopResultBuilder]: At program point L179(lines 175 552) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4368 32)))) (.cse1 (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0)) (.cse2 (not (= (_ bv4432 32) ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse4 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4096 32)))) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv20480 32)))) (.cse6 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv12292 32)))) (.cse7 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4369 32)))) (.cse8 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv16384 32)))) (.cse9 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4099 32)))) (.cse10 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0))) (or (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse2 (= (_ bv256 32) ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0) .cse3 .cse4 .cse5 .cse6 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse7 .cse8 .cse9 .cse10))) [2021-11-07 01:28:20,827 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 604) no Hoare annotation was computed. [2021-11-07 01:28:20,827 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 601) no Hoare annotation was computed. [2021-11-07 01:28:20,827 INFO L857 garLoopResultBuilder]: For program point L511-1(lines 207 539) no Hoare annotation was computed. [2021-11-07 01:28:20,828 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 351) no Hoare annotation was computed. [2021-11-07 01:28:20,828 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 550) no Hoare annotation was computed. [2021-11-07 01:28:20,828 INFO L857 garLoopResultBuilder]: For program point L148(lines 148 561) no Hoare annotation was computed. [2021-11-07 01:28:20,828 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 572) no Hoare annotation was computed. [2021-11-07 01:28:20,828 INFO L857 garLoopResultBuilder]: For program point L611(lines 611 615) no Hoare annotation was computed. [2021-11-07 01:28:20,828 INFO L857 garLoopResultBuilder]: For program point L578(lines 578 587) no Hoare annotation was computed. [2021-11-07 01:28:20,828 INFO L857 garLoopResultBuilder]: For program point L611-2(lines 611 615) no Hoare annotation was computed. [2021-11-07 01:28:20,829 INFO L857 garLoopResultBuilder]: For program point L578-2(lines 577 599) no Hoare annotation was computed. [2021-11-07 01:28:20,829 INFO L853 garLoopResultBuilder]: At program point L149(lines 145 562) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4368 32)))) (.cse1 (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse3 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4096 32)))) (.cse4 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv20480 32)))) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv12292 32)))) (.cse6 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4369 32)))) (.cse7 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv16384 32)))) (.cse8 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4099 32)))) (.cse9 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0))) (or (and .cse0 .cse1 (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (= (_ bv256 32) ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0) .cse2 .cse3 .cse4 .cse5 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-11-07 01:28:20,829 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2021-11-07 01:28:20,829 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 319) no Hoare annotation was computed. [2021-11-07 01:28:20,829 INFO L857 garLoopResultBuilder]: For program point L315-2(lines 313 325) no Hoare annotation was computed. [2021-11-07 01:28:20,830 INFO L857 garLoopResultBuilder]: For program point L580(lines 580 584) no Hoare annotation was computed. [2021-11-07 01:28:20,830 INFO L857 garLoopResultBuilder]: For program point L448(lines 448 453) no Hoare annotation was computed. [2021-11-07 01:28:20,830 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 287) no Hoare annotation was computed. [2021-11-07 01:28:20,830 INFO L857 garLoopResultBuilder]: For program point L217(lines 217 221) no Hoare annotation was computed. [2021-11-07 01:28:20,830 INFO L857 garLoopResultBuilder]: For program point L184(lines 184 549) no Hoare annotation was computed. [2021-11-07 01:28:20,830 INFO L857 garLoopResultBuilder]: For program point L151(lines 151 560) no Hoare annotation was computed. [2021-11-07 01:28:20,830 INFO L857 garLoopResultBuilder]: For program point L217-2(lines 207 539) no Hoare annotation was computed. [2021-11-07 01:28:20,831 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 571) no Hoare annotation was computed. [2021-11-07 01:28:20,831 INFO L857 garLoopResultBuilder]: For program point L482(lines 482 486) no Hoare annotation was computed. [2021-11-07 01:28:20,831 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:28:20,831 INFO L853 garLoopResultBuilder]: At program point L185(lines 181 550) the Hoare annotation is: (let ((.cse1 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4368 32)))) (.cse10 (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0)) (.cse2 (not (= (_ bv4432 32) ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse8 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse3 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4096 32)))) (.cse4 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv20480 32)))) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv12292 32)))) (.cse6 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4369 32)))) (.cse7 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv16384 32)))) (.cse9 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4099 32)))) (.cse11 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4400 32))) .cse6 .cse7 (not .cse8) .cse9) (and .cse0 .cse10 .cse1 .cse2 .cse8 .cse3 .cse4 .cse5 .cse6 .cse7 .cse9 .cse11) (and .cse0 .cse10 (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse2 (= (_ bv256 32) ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0) .cse8 .cse3 .cse4 .cse5 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse6 .cse7 .cse9 .cse11))) [2021-11-07 01:28:20,831 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-11-07 01:28:20,832 INFO L857 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2021-11-07 01:28:20,832 INFO L857 garLoopResultBuilder]: For program point L516-1(lines 516 520) no Hoare annotation was computed. [2021-11-07 01:28:20,832 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 421) no Hoare annotation was computed. [2021-11-07 01:28:20,832 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 258) no Hoare annotation was computed. [2021-11-07 01:28:20,832 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 548) no Hoare annotation was computed. [2021-11-07 01:28:20,832 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 559) no Hoare annotation was computed. [2021-11-07 01:28:20,832 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 570) no Hoare annotation was computed. [2021-11-07 01:28:20,833 INFO L853 garLoopResultBuilder]: At program point L155(lines 151 560) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4368 32)))) (.cse1 (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0)) (.cse2 (not (= (_ bv4432 32) ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse4 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4096 32)))) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv20480 32)))) (.cse6 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv12292 32)))) (.cse7 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4369 32)))) (.cse8 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv16384 32)))) (.cse9 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4099 32)))) (.cse10 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0))) (or (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse2 (= (_ bv256 32) ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0) .cse3 .cse4 .cse5 .cse6 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse7 .cse8 .cse9 .cse10))) [2021-11-07 01:28:20,833 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 491) no Hoare annotation was computed. [2021-11-07 01:28:20,833 INFO L857 garLoopResultBuilder]: For program point L487-2(lines 487 491) no Hoare annotation was computed. [2021-11-07 01:28:20,833 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:28:20,833 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 547) no Hoare annotation was computed. [2021-11-07 01:28:20,833 INFO L857 garLoopResultBuilder]: For program point L157(lines 157 558) no Hoare annotation was computed. [2021-11-07 01:28:20,834 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 569) no Hoare annotation was computed. [2021-11-07 01:28:20,834 INFO L857 garLoopResultBuilder]: For program point L389(lines 389 393) no Hoare annotation was computed. [2021-11-07 01:28:20,834 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 360) no Hoare annotation was computed. [2021-11-07 01:28:20,834 INFO L853 garLoopResultBuilder]: At program point L191(lines 187 548) the Hoare annotation is: (let ((.cse1 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4368 32)))) (.cse10 (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0)) (.cse2 (not (= (_ bv4432 32) ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse8 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse3 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4096 32)))) (.cse4 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv20480 32)))) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv12292 32)))) (.cse6 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4369 32)))) (.cse7 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv16384 32)))) (.cse9 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4099 32)))) (.cse11 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4400 32))) .cse6 .cse7 (not .cse8) .cse9) (and .cse0 .cse10 .cse1 .cse2 .cse8 .cse3 .cse4 .cse5 .cse6 .cse7 .cse9 .cse11) (and .cse0 .cse10 (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse2 (= (_ bv256 32) ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0) .cse8 .cse3 .cse4 .cse5 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse6 .cse7 .cse9 .cse11))) [2021-11-07 01:28:20,834 INFO L853 garLoopResultBuilder]: At program point L125(lines 121 570) the Hoare annotation is: (and (= (_ bv0 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) (not (= (_ bv4432 32) ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4096 32))) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv20480 32))) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv12292 32))) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4400 32))) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4369 32))) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv16384 32))) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4099 32)))) [2021-11-07 01:28:20,835 INFO L853 garLoopResultBuilder]: At program point L357(lines 75 624) the Hoare annotation is: false [2021-11-07 01:28:20,835 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 101) no Hoare annotation was computed. [2021-11-07 01:28:20,835 INFO L860 garLoopResultBuilder]: At program point L622(lines 75 624) the Hoare annotation is: true [2021-11-07 01:28:20,835 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 595) no Hoare annotation was computed. [2021-11-07 01:28:20,835 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2021-11-07 01:28:20,835 INFO L857 garLoopResultBuilder]: For program point L523-2(lines 523 527) no Hoare annotation was computed. [2021-11-07 01:28:20,835 INFO L857 garLoopResultBuilder]: For program point L292(lines 292 296) no Hoare annotation was computed. [2021-11-07 01:28:20,836 INFO L857 garLoopResultBuilder]: For program point L292-2(lines 207 539) no Hoare annotation was computed. [2021-11-07 01:28:20,836 INFO L857 garLoopResultBuilder]: For program point L193(lines 193 546) no Hoare annotation was computed. [2021-11-07 01:28:20,836 INFO L857 garLoopResultBuilder]: For program point L160(lines 160 557) no Hoare annotation was computed. [2021-11-07 01:28:20,836 INFO L857 garLoopResultBuilder]: For program point L127(lines 127 568) no Hoare annotation was computed. [2021-11-07 01:28:20,836 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2021-11-07 01:28:20,836 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:28:20,837 INFO L860 garLoopResultBuilder]: At program point L623(lines 18 625) the Hoare annotation is: true [2021-11-07 01:28:20,837 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-11-07 01:28:20,837 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 365) no Hoare annotation was computed. [2021-11-07 01:28:20,837 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 246) no Hoare annotation was computed. [2021-11-07 01:28:20,837 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 545) no Hoare annotation was computed. [2021-11-07 01:28:20,837 INFO L857 garLoopResultBuilder]: For program point L163(lines 163 556) no Hoare annotation was computed. [2021-11-07 01:28:20,837 INFO L857 garLoopResultBuilder]: For program point L229-2(lines 207 539) no Hoare annotation was computed. [2021-11-07 01:28:20,838 INFO L857 garLoopResultBuilder]: For program point L130(lines 130 567) no Hoare annotation was computed. [2021-11-07 01:28:20,838 INFO L853 garLoopResultBuilder]: At program point L197(lines 193 546) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4368 32)))) (.cse1 (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0)) (.cse12 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (.cse2 (not (= (_ bv4432 32) ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse4 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4096 32)))) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv20480 32)))) (.cse6 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv12292 32)))) (.cse7 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4369 32)))) (.cse8 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv16384 32)))) (.cse9 (= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 (_ bv4560 32))) (.cse10 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4099 32)))) (.cse11 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0))) (or (and .cse0 .cse1 (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse2 (= (_ bv256 32) ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0) .cse3 .cse4 .cse5 .cse6 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse12 .cse2 .cse4 .cse5 .cse6 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4400 32))) .cse7 .cse8 (not .cse3) .cse10) (and .cse0 .cse1 .cse12 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11))) [2021-11-07 01:28:20,838 INFO L853 garLoopResultBuilder]: At program point L131(lines 127 568) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4368 32)))) (.cse1 (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0)) (.cse2 (not (= (_ bv4432 32) ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse4 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4096 32)))) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv20480 32)))) (.cse6 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv12292 32)))) (.cse7 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4369 32)))) (.cse8 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv16384 32)))) (.cse9 (= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 (_ bv4560 32))) (.cse10 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4099 32)))) (.cse11 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0))) (or (and .cse0 .cse1 (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse2 (= (_ bv256 32) ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0) .cse3 .cse4 .cse5 .cse6 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse2 .cse4 .cse5 .cse6 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4400 32))) .cse7 (= (_ bv1 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) .cse8 .cse10) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11))) [2021-11-07 01:28:20,838 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:28:20,838 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 618) no Hoare annotation was computed. [2021-11-07 01:28:20,839 INFO L857 garLoopResultBuilder]: For program point L495-1(lines 495 507) no Hoare annotation was computed. [2021-11-07 01:28:20,839 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 433) no Hoare annotation was computed. [2021-11-07 01:28:20,839 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 236) no Hoare annotation was computed. [2021-11-07 01:28:20,839 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 544) no Hoare annotation was computed. [2021-11-07 01:28:20,839 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 555) no Hoare annotation was computed. [2021-11-07 01:28:20,839 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 566) no Hoare annotation was computed. [2021-11-07 01:28:20,840 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 534) no Hoare annotation was computed. [2021-11-07 01:28:20,840 INFO L853 garLoopResultBuilder]: At program point L200(lines 199 544) the Hoare annotation is: (let ((.cse0 (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 (_ bv4560 32))) (.cse4 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0)) (.cse5 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (.cse1 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4352 32)))) (or (and .cse0 (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (= (_ bv256 32) ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0) .cse1 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 (_ bv3 32)) .cse5 (not .cse1) .cse3))) [2021-11-07 01:28:20,840 INFO L853 garLoopResultBuilder]: At program point L167(lines 157 558) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4368 32)))) (.cse1 (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0)) (.cse2 (not (= (_ bv4432 32) ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse4 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4096 32)))) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv20480 32)))) (.cse6 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv12292 32)))) (.cse7 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4369 32)))) (.cse8 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv16384 32)))) (.cse9 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4099 32)))) (.cse10 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0))) (or (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse2 (= (_ bv256 32) ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0) .cse3 .cse4 .cse5 .cse6 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse7 .cse8 .cse9 .cse10))) [2021-11-07 01:28:20,843 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:28:20,845 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:28:20,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:28:20 BoogieIcfgContainer [2021-11-07 01:28:20,902 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:28:20,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:28:20,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:28:20,903 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:28:20,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:26:39" (3/4) ... [2021-11-07 01:28:20,907 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:28:20,935 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-07 01:28:20,936 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 01:28:20,937 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:28:20,941 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:28:21,064 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:28:21,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:28:21,066 INFO L168 Benchmark]: Toolchain (without parser) took 103204.10 ms. Allocated memory was 56.6 MB in the beginning and 855.6 MB in the end (delta: 799.0 MB). Free memory was 34.4 MB in the beginning and 487.9 MB in the end (delta: -453.5 MB). Peak memory consumption was 348.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:28:21,067 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 56.6 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:28:21,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.63 ms. Allocated memory is still 56.6 MB. Free memory was 34.2 MB in the beginning and 35.1 MB in the end (delta: -844.2 kB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:28:21,068 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.39 ms. Allocated memory is still 56.6 MB. Free memory was 35.1 MB in the beginning and 32.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:28:21,068 INFO L168 Benchmark]: Boogie Preprocessor took 88.60 ms. Allocated memory is still 56.6 MB. Free memory was 32.6 MB in the beginning and 30.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:28:21,069 INFO L168 Benchmark]: RCFGBuilder took 868.70 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 30.5 MB in the beginning and 34.3 MB in the end (delta: -3.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:28:21,069 INFO L168 Benchmark]: TraceAbstraction took 101341.48 ms. Allocated memory was 69.2 MB in the beginning and 855.6 MB in the end (delta: 786.4 MB). Free memory was 33.9 MB in the beginning and 498.4 MB in the end (delta: -464.4 MB). Peak memory consumption was 668.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:28:21,070 INFO L168 Benchmark]: Witness Printer took 162.30 ms. Allocated memory is still 855.6 MB. Free memory was 498.4 MB in the beginning and 487.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:28:21,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 56.6 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 634.63 ms. Allocated memory is still 56.6 MB. Free memory was 34.2 MB in the beginning and 35.1 MB in the end (delta: -844.2 kB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.39 ms. Allocated memory is still 56.6 MB. Free memory was 35.1 MB in the beginning and 32.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.60 ms. Allocated memory is still 56.6 MB. Free memory was 32.6 MB in the beginning and 30.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 868.70 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 30.5 MB in the beginning and 34.3 MB in the end (delta: -3.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 101341.48 ms. Allocated memory was 69.2 MB in the beginning and 855.6 MB in the end (delta: 786.4 MB). Free memory was 33.9 MB in the beginning and 498.4 MB in the end (delta: -464.4 MB). Peak memory consumption was 668.7 MB. Max. memory is 16.1 GB. * Witness Printer took 162.30 ms. Allocated memory is still 855.6 MB. Free memory was 498.4 MB in the beginning and 487.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 618]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 101.2s, OverallIterations: 25, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4650 SDtfs, 3875 SDslu, 4055 SDs, 0 SdLazy, 3761 SolverSat, 658 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16086 GetRequests, 16023 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11329occurred in iteration=22, InterpolantAutomatonStates: 101, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 25 MinimizatonAttempts, 8253 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 23 PreInvPairs, 281 NumberOfFragments, 1940 HoareAnnotationTreeSize, 23 FomulaSimplifications, 19573 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 23 FomulaSimplificationsInter, 14684 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 35.8s InterpolantComputationTime, 8066 NumberOfCodeBlocks, 8066 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 16068 ConstructedInterpolants, 0 QuantifiedInterpolants, 22634 SizeOfPredicates, 14 NumberOfNonLiveVariables, 10823 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 64 InterpolantComputations, 44 PerfectInterpolantSequences, 70776/71144 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: (((((((0bv32 == blastFlag && !(4432bv32 == s__state)) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4400bv32)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: ((((((((61087bv32 == ag_Y && !(3bv32 == blastFlag)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && !(5bv32 == blastFlag)) && s__s3__tmp__next_state___0 == 4560bv32) && s__state == 4352bv32) && 65535bv32 == ag_X) || (((((61087bv32 == ag_Y && 2bv32 == blastFlag) && s__hit == 0bv32) && s__s3__tmp__next_state___0 == 4560bv32) && s__state == 4352bv32) && 65535bv32 == ag_X)) || (((s__s3__tmp__next_state___0 == 3bv32 && 2bv32 == blastFlag) && !(s__hit == 0bv32)) && s__state == 4352bv32) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && 2bv32 == blastFlag) && !(4432bv32 == s__state)) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) && 65535bv32 == ag_X) || (((((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && !(3bv32 == blastFlag)) && !(4432bv32 == s__state)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(5bv32 == blastFlag)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) && 65535bv32 == ag_X) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((!(s__state == 4368bv32) && 0bv32 == blastFlag) && !(4432bv32 == s__state)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4400bv32)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32) - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && 2bv32 == blastFlag) && !(4432bv32 == s__state)) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) && 65535bv32 == ag_X) || (((((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && !(3bv32 == blastFlag)) && !(4432bv32 == s__state)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(5bv32 == blastFlag)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) && 65535bv32 == ag_X) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && 2bv32 == blastFlag) && !(4432bv32 == s__state)) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) && 65535bv32 == ag_X) || (((((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && !(3bv32 == blastFlag)) && !(4432bv32 == s__state)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(5bv32 == blastFlag)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) && 65535bv32 == ag_X) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && !(3bv32 == blastFlag)) && !(4432bv32 == s__state)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(5bv32 == blastFlag)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && s__s3__tmp__next_state___0 == 4560bv32) && !(s__state == 4099bv32)) && 65535bv32 == ag_X) || ((((((((((!(s__state == 4368bv32) && 2bv32 == blastFlag) && !(4432bv32 == s__state)) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4400bv32)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__hit == 0bv32)) && !(s__state == 4099bv32))) || ((((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && 2bv32 == blastFlag) && !(4432bv32 == s__state)) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && s__s3__tmp__next_state___0 == 4560bv32) && !(s__state == 4099bv32)) && 65535bv32 == ag_X) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0bv32 == blastFlag && s__state == 12292bv32 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && !(3bv32 == blastFlag)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(5bv32 == blastFlag)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) && 65535bv32 == ag_X) || ((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && 2bv32 == blastFlag) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) && 65535bv32 == ag_X) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((s__state == 4368bv32 && 0bv32 == blastFlag) || ((((((61087bv32 == ag_Y && !(3bv32 == blastFlag)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && !(5bv32 == blastFlag)) && 4480bv32 == s__state) && 65535bv32 == ag_X)) || ((((((61087bv32 == ag_Y && !(3bv32 == blastFlag)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && s__state == 4448bv32) && !(5bv32 == blastFlag)) && 65535bv32 == ag_X)) || ((((61087bv32 == ag_Y && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && s__state == 4416bv32) && !(5bv32 == blastFlag))) || ((2bv32 == blastFlag && s__state == 4560bv32) && !(s__hit == 0bv32))) || (((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && 2bv32 == blastFlag) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && s__s3__tmp__next_state___0 == 4560bv32) && !(s__state == 4099bv32)) && 65535bv32 == ag_X)) || ((((61087bv32 == ag_Y && 2bv32 == blastFlag) && s__hit == 0bv32) && 4432bv32 == s__state) && 65535bv32 == ag_X)) || (((((((!(s__s3__tmp__next_state___0 == 4368bv32) && 61087bv32 == ag_Y) && !(3bv32 == blastFlag)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && s__state == 4400bv32) && !(5bv32 == blastFlag)) && 65535bv32 == ag_X)) || ((((((61087bv32 == ag_Y && !(3bv32 == blastFlag)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && !(5bv32 == blastFlag)) && s__state == 4512bv32) && 65535bv32 == ag_X)) || (((61087bv32 == ag_Y && 2bv32 == blastFlag) && s__state == 4528bv32) && 65535bv32 == ag_X)) || ((((((61087bv32 == ag_Y && !(3bv32 == blastFlag)) && s__state == 4496bv32) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && !(5bv32 == blastFlag)) && 65535bv32 == ag_X)) || (((!(s__s3__tmp__next_state___0 == 4368bv32) && 2bv32 == blastFlag) && s__state == 3bv32) && !(s__hit == 0bv32))) || ((((61087bv32 == ag_Y && 2bv32 == blastFlag) && s__hit == 0bv32) && s__state == 4448bv32) && 65535bv32 == ag_X)) || (((61087bv32 == ag_Y && 2bv32 == blastFlag) && s__state == 4512bv32) && 65535bv32 == ag_X)) || ((((((61087bv32 == ag_Y && !(3bv32 == blastFlag)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && 4432bv32 == s__state) && !(5bv32 == blastFlag)) && 65535bv32 == ag_X)) || ((2bv32 == blastFlag && s__hit == 0bv32) && s__state == 4400bv32)) || ((((((!(s__s3__tmp__next_state___0 == 4368bv32) && 61087bv32 == ag_Y) && !(3bv32 == blastFlag)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__state == 3bv32) && !(s__hit == 0bv32)) && 65535bv32 == ag_X)) || ((((((61087bv32 == ag_Y && !(3bv32 == blastFlag)) && 4464bv32 == s__state) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && !(5bv32 == blastFlag)) && 65535bv32 == ag_X)) || (((s__s3__tmp__next_state___0 == 3bv32 && 2bv32 == blastFlag) && !(s__hit == 0bv32)) && s__state == 4352bv32)) || ((2bv32 == blastFlag && s__state == 4528bv32) && !(s__hit == 0bv32))) || (1bv32 == blastFlag && s__state == 4384bv32)) || ((((61087bv32 == ag_Y && 4464bv32 == s__state) && 2bv32 == blastFlag) && s__hit == 0bv32) && 65535bv32 == ag_X)) || ((((61087bv32 == ag_Y && s__state == 4496bv32) && 2bv32 == blastFlag) && s__hit == 0bv32) && 65535bv32 == ag_X)) || ((((61087bv32 == ag_Y && 2bv32 == blastFlag) && s__hit == 0bv32) && 4480bv32 == s__state) && 65535bv32 == ag_X)) || ((((((61087bv32 == ag_Y && !(3bv32 == blastFlag)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && s__state == 4528bv32) && !(5bv32 == blastFlag)) && 65535bv32 == ag_X)) || (((61087bv32 == ag_Y && 2bv32 == blastFlag) && s__hit == 0bv32) && s__state == 4416bv32)) || (((((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && !(3bv32 == blastFlag)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(5bv32 == blastFlag)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && s__s3__tmp__next_state___0 == 4560bv32) && !(s__state == 4099bv32)) && 65535bv32 == ag_X)) || ((2bv32 == blastFlag && s__state == 4512bv32) && !(s__hit == 0bv32)) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && !(3bv32 == blastFlag)) && !(4432bv32 == s__state)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(5bv32 == blastFlag)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && s__s3__tmp__next_state___0 == 4560bv32) && !(s__state == 4099bv32)) && 65535bv32 == ag_X) || (((((((((!(s__state == 4368bv32) && !(4432bv32 == s__state)) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4400bv32)) && !(s__state == 4369bv32)) && 1bv32 == blastFlag) && !(s__state == 16384bv32)) && !(s__state == 4099bv32))) || ((((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && 2bv32 == blastFlag) && !(4432bv32 == s__state)) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && s__s3__tmp__next_state___0 == 4560bv32) && !(s__state == 4099bv32)) && 65535bv32 == ag_X) - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 4368bv32) && !(s__s3__tmp__next_state___0 == 4368bv32)) && 61087bv32 == ag_Y) && !(3bv32 == blastFlag)) && !(4432bv32 == s__state)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(5bv32 == blastFlag)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) && 65535bv32 == ag_X) || (((((((((!(s__state == 4368bv32) && 2bv32 == blastFlag) && !(4432bv32 == s__state)) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((((((((((!(s__state == 4368bv32) && 2bv32 == blastFlag) && !(4432bv32 == s__state)) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4400bv32)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__hit == 0bv32)) && !(s__state == 4099bv32)) || (((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && 2bv32 == blastFlag) && !(4432bv32 == s__state)) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) && 65535bv32 == ag_X)) || (((((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && !(3bv32 == blastFlag)) && !(4432bv32 == s__state)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(5bv32 == blastFlag)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) && 65535bv32 == ag_X) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: (((((((((((!(s__state == 4368bv32) && 2bv32 == blastFlag) && !(4432bv32 == s__state)) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4400bv32)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__hit == 0bv32)) && !(s__state == 4099bv32)) || (((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && 2bv32 == blastFlag) && !(4432bv32 == s__state)) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) && 65535bv32 == ag_X)) || (((((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && !(3bv32 == blastFlag)) && !(4432bv32 == s__state)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(5bv32 == blastFlag)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) && 65535bv32 == ag_X) - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && 2bv32 == blastFlag) && !(4432bv32 == s__state)) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) || (((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && !(4432bv32 == s__state)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(5bv32 == blastFlag)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && 2bv32 == blastFlag) && !(4432bv32 == s__state)) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) && 65535bv32 == ag_X) || (((((((((((((!(s__state == 4368bv32) && 61087bv32 == ag_Y) && !(3bv32 == blastFlag)) && !(4432bv32 == s__state)) && 256bv32 == s__s3__tmp__new_cipher__algorithms) && s__hit == 0bv32) && !(s__state == 4096bv32)) && !(s__state == 20480bv32)) && !(s__state == 12292bv32)) && !(5bv32 == blastFlag)) && !(s__state == 4369bv32)) && !(s__state == 16384bv32)) && !(s__state == 4099bv32)) && 65535bv32 == ag_X) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:28:21,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc329b3-8e1a-4bff-bc79-99ea58e6c3b8/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE