./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0055073c7307bfde271bf0837d5fd91b5b3d33c4e57c477b4203569fc3c90bed --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:32:04,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:32:04,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:32:04,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:32:04,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:32:04,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:32:04,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:32:04,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:32:04,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:32:04,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:32:04,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:32:04,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:32:04,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:32:04,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:32:04,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:32:04,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:32:04,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:32:04,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:32:04,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:32:04,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:32:04,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:32:04,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:32:04,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:32:04,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:32:04,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:32:04,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:32:04,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:32:04,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:32:04,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:32:04,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:32:04,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:32:04,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:32:04,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:32:04,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:32:04,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:32:04,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:32:04,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:32:04,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:32:04,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:32:04,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:32:04,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:32:04,173 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 05:32:04,220 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:32:04,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:32:04,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:32:04,222 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:32:04,222 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:32:04,222 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:32:04,223 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:32:04,223 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:32:04,229 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:32:04,229 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:32:04,230 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:32:04,231 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:32:04,231 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:32:04,231 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:32:04,231 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:32:04,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:32:04,232 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:32:04,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:32:04,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:32:04,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:32:04,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:32:04,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:32:04,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:32:04,234 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:32:04,234 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:32:04,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:32:04,235 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:32:04,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:32:04,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:32:04,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:32:04,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:32:04,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:32:04,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:32:04,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:32:04,238 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:32:04,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:32:04,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:32:04,239 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:32:04,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:32:04,239 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_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0055073c7307bfde271bf0837d5fd91b5b3d33c4e57c477b4203569fc3c90bed [2021-11-03 05:32:04,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:32:04,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:32:04,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:32:04,580 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:32:04,581 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:32:04,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c [2021-11-03 05:32:04,657 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/data/b1e29b448/ec6b50dc257642b484ff0cc10f45584d/FLAGaf7f5c58a [2021-11-03 05:32:05,228 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:32:05,229 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c [2021-11-03 05:32:05,240 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/data/b1e29b448/ec6b50dc257642b484ff0cc10f45584d/FLAGaf7f5c58a [2021-11-03 05:32:05,553 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/data/b1e29b448/ec6b50dc257642b484ff0cc10f45584d [2021-11-03 05:32:05,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:32:05,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:32:05,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:32:05,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:32:05,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:32:05,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:32:05" (1/1) ... [2021-11-03 05:32:05,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37c12a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:05, skipping insertion in model container [2021-11-03 05:32:05,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:32:05" (1/1) ... [2021-11-03 05:32:05,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:32:05,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:32:05,888 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_11535105-7d5f-4022-b1a6-b84af96d7dd4/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c[37752,37765] [2021-11-03 05:32:05,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:32:05,903 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:32:05,956 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_11535105-7d5f-4022-b1a6-b84af96d7dd4/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c[37752,37765] [2021-11-03 05:32:05,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:32:05,973 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:32:05,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:05 WrapperNode [2021-11-03 05:32:05,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:32:05,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:32:05,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:32:05,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:32:05,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:05" (1/1) ... [2021-11-03 05:32:05,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:05" (1/1) ... [2021-11-03 05:32:06,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:32:06,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:32:06,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:32:06,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:32:06,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:05" (1/1) ... [2021-11-03 05:32:06,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:05" (1/1) ... [2021-11-03 05:32:06,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:05" (1/1) ... [2021-11-03 05:32:06,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:05" (1/1) ... [2021-11-03 05:32:06,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:05" (1/1) ... [2021-11-03 05:32:06,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:05" (1/1) ... [2021-11-03 05:32:06,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:05" (1/1) ... [2021-11-03 05:32:06,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:32:06,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:32:06,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:32:06,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:32:06,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:05" (1/1) ... [2021-11-03 05:32:06,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:32:06,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:32:06,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:32:06,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:32:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 05:32:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:32:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:32:06,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:32:06,293 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 05:32:06,846 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-03 05:32:06,846 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-03 05:32:07,171 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:32:07,171 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-03 05:32:07,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:32:07 BoogieIcfgContainer [2021-11-03 05:32:07,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:32:07,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:32:07,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:32:07,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:32:07,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:32:05" (1/3) ... [2021-11-03 05:32:07,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2862eeea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:32:07, skipping insertion in model container [2021-11-03 05:32:07,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:32:05" (2/3) ... [2021-11-03 05:32:07,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2862eeea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:32:07, skipping insertion in model container [2021-11-03 05:32:07,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:32:07" (3/3) ... [2021-11-03 05:32:07,182 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-2.c [2021-11-03 05:32:07,187 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:32:07,187 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:32:07,226 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:32:07,232 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 05:32:07,232 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:32:07,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 83 states have (on average 1.7590361445783131) internal successors, (146), 84 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:32:07,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-03 05:32:07,255 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:32:07,256 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:32:07,256 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:32:07,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:32:07,262 INFO L85 PathProgramCache]: Analyzing trace with hash 2034919861, now seen corresponding path program 1 times [2021-11-03 05:32:07,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:32:07,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169597261] [2021-11-03 05:32:07,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:32:07,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:32:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:32:07,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:32:07,511 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:32:07,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169597261] [2021-11-03 05:32:07,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169597261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:32:07,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:32:07,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 05:32:07,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762802283] [2021-11-03 05:32:07,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:32:07,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:32:07,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:32:07,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:32:07,540 INFO L87 Difference]: Start difference. First operand has 85 states, 83 states have (on average 1.7590361445783131) internal successors, (146), 84 states have internal predecessors, (146), 0 states have call successors, (0), 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) [2021-11-03 05:32:07,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:32:07,709 INFO L93 Difference]: Finished difference Result 171 states and 295 transitions. [2021-11-03 05:32:07,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:32:07,710 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 [2021-11-03 05:32:07,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:32:07,722 INFO L225 Difference]: With dead ends: 171 [2021-11-03 05:32:07,722 INFO L226 Difference]: Without dead ends: 84 [2021-11-03 05:32:07,726 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:32:07,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-11-03 05:32:07,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-11-03 05:32:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 83 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:32:07,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2021-11-03 05:32:07,776 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 19 [2021-11-03 05:32:07,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:32:07,777 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2021-11-03 05:32:07,779 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) [2021-11-03 05:32:07,779 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2021-11-03 05:32:07,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-03 05:32:07,780 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:32:07,781 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] [2021-11-03 05:32:07,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 05:32:07,781 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:32:07,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:32:07,784 INFO L85 PathProgramCache]: Analyzing trace with hash 14304918, now seen corresponding path program 1 times [2021-11-03 05:32:07,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:32:07,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317483738] [2021-11-03 05:32:07,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:32:07,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:32:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:32:07,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:32:07,921 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:32:07,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317483738] [2021-11-03 05:32:07,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317483738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:32:07,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:32:07,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:32:07,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191578253] [2021-11-03 05:32:07,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:32:07,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:32:07,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:32:07,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:32:07,947 INFO L87 Difference]: Start difference. First operand 84 states and 121 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) [2021-11-03 05:32:08,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:32:08,105 INFO L93 Difference]: Finished difference Result 180 states and 263 transitions. [2021-11-03 05:32:08,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:32:08,106 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 [2021-11-03 05:32:08,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:32:08,108 INFO L225 Difference]: With dead ends: 180 [2021-11-03 05:32:08,108 INFO L226 Difference]: Without dead ends: 99 [2021-11-03 05:32:08,109 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:32:08,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-11-03 05:32:08,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2021-11-03 05:32:08,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 96 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:32:08,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2021-11-03 05:32:08,119 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 28 [2021-11-03 05:32:08,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:32:08,119 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2021-11-03 05:32:08,120 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) [2021-11-03 05:32:08,120 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2021-11-03 05:32:08,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-03 05:32:08,122 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:32:08,122 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] [2021-11-03 05:32:08,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 05:32:08,122 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:32:08,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:32:08,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1796909179, now seen corresponding path program 1 times [2021-11-03 05:32:08,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:32:08,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115958547] [2021-11-03 05:32:08,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:32:08,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:32:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:32:08,203 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:32:08,203 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:32:08,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115958547] [2021-11-03 05:32:08,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115958547] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:32:08,205 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:32:08,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:32:08,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411999297] [2021-11-03 05:32:08,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:32:08,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:32:08,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:32:08,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:32:08,210 INFO L87 Difference]: Start difference. First operand 97 states and 137 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) [2021-11-03 05:32:08,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:32:08,352 INFO L93 Difference]: Finished difference Result 208 states and 299 transitions. [2021-11-03 05:32:08,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:32:08,353 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 [2021-11-03 05:32:08,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:32:08,358 INFO L225 Difference]: With dead ends: 208 [2021-11-03 05:32:08,359 INFO L226 Difference]: Without dead ends: 114 [2021-11-03 05:32:08,362 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:32:08,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-11-03 05:32:08,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2021-11-03 05:32:08,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 1.3963963963963963) internal successors, (155), 111 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:32:08,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 155 transitions. [2021-11-03 05:32:08,380 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 155 transitions. Word has length 39 [2021-11-03 05:32:08,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:32:08,380 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 155 transitions. [2021-11-03 05:32:08,381 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) [2021-11-03 05:32:08,381 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 155 transitions. [2021-11-03 05:32:08,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-03 05:32:08,385 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:32:08,385 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] [2021-11-03 05:32:08,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-03 05:32:08,386 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:32:08,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:32:08,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1719232952, now seen corresponding path program 1 times [2021-11-03 05:32:08,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:32:08,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973589732] [2021-11-03 05:32:08,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:32:08,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:32:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:32:08,537 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:32:08,538 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:32:08,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973589732] [2021-11-03 05:32:08,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973589732] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:32:08,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742578370] [2021-11-03 05:32:08,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:32:08,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:32:08,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:32:08,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:32:08,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 05:32:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:32:08,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 05:32:08,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:32:08,974 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-03 05:32:08,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:32:09,266 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-03 05:32:09,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742578370] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:32:09,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-03 05:32:09,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [4] total 9 [2021-11-03 05:32:09,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088735018] [2021-11-03 05:32:09,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:32:09,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:32:09,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:32:09,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-03 05:32:09,272 INFO L87 Difference]: Start difference. First operand 112 states and 155 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) [2021-11-03 05:32:09,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:32:09,642 INFO L93 Difference]: Finished difference Result 315 states and 470 transitions. [2021-11-03 05:32:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 05:32:09,643 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 [2021-11-03 05:32:09,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:32:09,645 INFO L225 Difference]: With dead ends: 315 [2021-11-03 05:32:09,645 INFO L226 Difference]: Without dead ends: 205 [2021-11-03 05:32:09,646 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 [2021-11-03 05:32:09,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-11-03 05:32:09,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 187. [2021-11-03 05:32:09,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.3763440860215055) internal successors, (256), 186 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:32:09,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 256 transitions. [2021-11-03 05:32:09,668 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 256 transitions. Word has length 52 [2021-11-03 05:32:09,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:32:09,668 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 256 transitions. [2021-11-03 05:32:09,669 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) [2021-11-03 05:32:09,669 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 256 transitions. [2021-11-03 05:32:09,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-03 05:32:09,670 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:32:09,670 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, 1] [2021-11-03 05:32:09,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:32:09,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:32:09,871 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:32:09,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:32:09,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1884195992, now seen corresponding path program 1 times [2021-11-03 05:32:09,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:32:09,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390745222] [2021-11-03 05:32:09,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:32:09,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:32:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:32:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-03 05:32:09,957 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:32:09,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390745222] [2021-11-03 05:32:09,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390745222] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:32:09,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:32:09,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:32:09,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466626608] [2021-11-03 05:32:09,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:32:09,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:32:09,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:32:09,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:32:09,962 INFO L87 Difference]: Start difference. First operand 187 states and 256 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:32:10,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:32:10,057 INFO L93 Difference]: Finished difference Result 392 states and 545 transitions. [2021-11-03 05:32:10,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:32:10,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 [2021-11-03 05:32:10,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:32:10,060 INFO L225 Difference]: With dead ends: 392 [2021-11-03 05:32:10,060 INFO L226 Difference]: Without dead ends: 208 [2021-11-03 05:32:10,060 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:32:10,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-03 05:32:10,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 206. [2021-11-03 05:32:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 205 states have (on average 1.3560975609756099) internal successors, (278), 205 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:32:10,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 278 transitions. [2021-11-03 05:32:10,087 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 278 transitions. Word has length 68 [2021-11-03 05:32:10,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:32:10,091 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 278 transitions. [2021-11-03 05:32:10,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:32:10,091 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 278 transitions. [2021-11-03 05:32:10,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-03 05:32:10,094 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:32:10,095 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, 1] [2021-11-03 05:32:10,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-03 05:32:10,096 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:32:10,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:32:10,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1071342575, now seen corresponding path program 1 times [2021-11-03 05:32:10,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:32:10,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395271972] [2021-11-03 05:32:10,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:32:10,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:32:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:32:10,223 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-03 05:32:10,223 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:32:10,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395271972] [2021-11-03 05:32:10,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395271972] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:32:10,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628839611] [2021-11-03 05:32:10,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:32:10,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:32:10,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:32:10,233 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:32:10,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 05:32:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:32:10,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 05:32:10,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:32:10,653 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-03 05:32:10,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:32:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 44 proven. 50 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-03 05:32:11,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628839611] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:32:11,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1240224331] [2021-11-03 05:32:11,199 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2021-11-03 05:32:11,199 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:32:11,221 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:32:11,227 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:32:11,227 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:32:11,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:11,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:32:11,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:11,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:32:11,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:32:11,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:11,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:32:11,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 436 [2021-11-03 05:32:11,402 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 21=[|v_#valid_14|]} [2021-11-03 05:32:11,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,460 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 [2021-11-03 05:32:11,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:11,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:32:11,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:11,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:32:11,467 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:32:11,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,503 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 [2021-11-03 05:32:11,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:11,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:32:11,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:11,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:32:11,506 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:32:11,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,541 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 [2021-11-03 05:32:11,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:11,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:32:11,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:11,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:32:11,543 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:32:11,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:11,735 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:11,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,789 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 [2021-11-03 05:32:11,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:11,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:32:11,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:11,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:32:11,795 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:32:11,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,849 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 [2021-11-03 05:32:11,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:11,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:32:11,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:11,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:32:11,854 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 05:32:11,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:32:11,893 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 [2021-11-03 05:32:11,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:11,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:32:11,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:11,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:32:11,899 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-03 05:32:11,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:12,043 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:12,139 INFO L180 QuantifierPusher]: treesize reduction 18, result has 98.5 percent of original size [2021-11-03 05:32:12,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1146 [2021-11-03 05:32:12,187 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-11-03 05:32:12,188 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:1239, output treesize:1146 [2021-11-03 05:32:12,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:12,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1156 [2021-11-03 05:32:12,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:12,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1203 [2021-11-03 05:32:12,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:12,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1201 [2021-11-03 05:32:12,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:12,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1201 [2021-11-03 05:32:12,876 INFO L180 QuantifierPusher]: treesize reduction 20, result has 98.4 percent of original size [2021-11-03 05:32:12,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:32:12,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:13,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1122 [2021-11-03 05:32:13,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1197 [2021-11-03 05:32:13,190 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.5 percent of original size [2021-11-03 05:32:13,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1201 [2021-11-03 05:32:13,279 INFO L180 QuantifierPusher]: treesize reduction 1215, result has 0.1 percent of original size [2021-11-03 05:32:13,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:32:13,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:13,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:13,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:13,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:13,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:13,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:13,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:13,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:13,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:13,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:13,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:13,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:13,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,102 INFO L180 QuantifierPusher]: treesize reduction 96, result has 79.7 percent of original size [2021-11-03 05:32:14,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 373 [2021-11-03 05:32:14,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:14,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 373 [2021-11-03 05:32:14,194 INFO L180 QuantifierPusher]: treesize reduction 47, result has 89.5 percent of original size [2021-11-03 05:32:14,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 385 [2021-11-03 05:32:14,241 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.5 percent of original size [2021-11-03 05:32:14,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 383 [2021-11-03 05:32:14,288 INFO L180 QuantifierPusher]: treesize reduction 39, result has 90.9 percent of original size [2021-11-03 05:32:14,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-03 05:32:14,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:14,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-03 05:32:14,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,619 INFO L180 QuantifierPusher]: treesize reduction 31, result has 93.0 percent of original size [2021-11-03 05:32:14,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 392 [2021-11-03 05:32:14,668 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.6 percent of original size [2021-11-03 05:32:14,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 403 [2021-11-03 05:32:14,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:14,964 INFO L180 QuantifierPusher]: treesize reduction 23, result has 94.6 percent of original size [2021-11-03 05:32:14,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-03 05:32:15,010 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.5 percent of original size [2021-11-03 05:32:15,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 392 [2021-11-03 05:32:15,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:15,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:15,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:15,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:15,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:15,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:15,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:15,329 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.2 percent of original size [2021-11-03 05:32:15,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 373 [2021-11-03 05:32:15,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:15,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 375 [2021-11-03 05:32:15,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:15,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 372 [2021-11-03 05:32:15,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:15,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-03 05:32:15,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:15,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:15,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:15,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:16,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:16,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:16,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:16,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:16,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:16,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:16,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:16,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:16,445 INFO L180 QuantifierPusher]: treesize reduction 90, result has 80.5 percent of original size [2021-11-03 05:32:16,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-11-03 05:32:16,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:16,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-11-03 05:32:16,523 INFO L180 QuantifierPusher]: treesize reduction 47, result has 89.4 percent of original size [2021-11-03 05:32:16,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 05:32:16,558 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.5 percent of original size [2021-11-03 05:32:16,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-03 05:32:16,591 INFO L180 QuantifierPusher]: treesize reduction 39, result has 90.7 percent of original size [2021-11-03 05:32:16,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 378 [2021-11-03 05:32:16,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:16,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 378 [2021-11-03 05:32:16,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:16,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:16,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:16,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:16,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:16,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:16,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:16,872 INFO L180 QuantifierPusher]: treesize reduction 31, result has 92.9 percent of original size [2021-11-03 05:32:16,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-11-03 05:32:16,910 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.5 percent of original size [2021-11-03 05:32:16,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-03 05:32:16,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,199 INFO L180 QuantifierPusher]: treesize reduction 23, result has 94.5 percent of original size [2021-11-03 05:32:17,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-11-03 05:32:17,231 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.5 percent of original size [2021-11-03 05:32:17,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-11-03 05:32:17,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,509 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.2 percent of original size [2021-11-03 05:32:17,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-11-03 05:32:17,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:17,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-03 05:32:17,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:17,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-11-03 05:32:17,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:17,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-11-03 05:32:17,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:17,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,074 INFO L180 QuantifierPusher]: treesize reduction 90, result has 80.5 percent of original size [2021-11-03 05:32:18,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-11-03 05:32:18,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:32:18,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-11-03 05:32:18,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:18,869 INFO L180 QuantifierPusher]: treesize reduction 71, result has 83.5 percent of original size [2021-11-03 05:32:18,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 344 [2021-11-03 05:32:18,914 INFO L180 QuantifierPusher]: treesize reduction 79, result has 82.4 percent of original size [2021-11-03 05:32:18,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 05:32:18,980 INFO L180 QuantifierPusher]: treesize reduction 103, result has 76.8 percent of original size [2021-11-03 05:32:18,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 05:32:19,019 INFO L180 QuantifierPusher]: treesize reduction 95, result has 79.0 percent of original size [2021-11-03 05:32:19,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-03 05:32:19,048 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.3 percent of original size [2021-11-03 05:32:19,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-11-03 05:32:19,083 INFO L180 QuantifierPusher]: treesize reduction 87, result has 79.8 percent of original size [2021-11-03 05:32:19,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 340 [2021-11-03 05:32:19,108 INFO L180 QuantifierPusher]: treesize reduction 51, result has 87.0 percent of original size [2021-11-03 05:32:19,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 05:32:19,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:32:19,683 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:32:48,203 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:32:48,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:32:48,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-03 05:32:48,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851673563] [2021-11-03 05:32:48,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 05:32:48,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:32:48,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 05:32:48,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=1386, Unknown=0, NotChecked=0, Total=1640 [2021-11-03 05:32:48,206 INFO L87 Difference]: Start difference. First operand 206 states and 278 transitions. Second operand has 8 states, 8 states have (on average 15.375) internal successors, (123), 7 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:32:48,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:32:48,303 INFO L93 Difference]: Finished difference Result 650 states and 876 transitions. [2021-11-03 05:32:48,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 05:32:48,303 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.375) internal successors, (123), 7 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-11-03 05:32:48,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:32:48,308 INFO L225 Difference]: With dead ends: 650 [2021-11-03 05:32:48,309 INFO L226 Difference]: Without dead ends: 648 [2021-11-03 05:32:48,310 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 212 SyntacticMatches, 10 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 543 ImplicationChecksByTransitivity, 28.5s TimeCoverageRelationStatistics Valid=254, Invalid=1386, Unknown=0, NotChecked=0, Total=1640 [2021-11-03 05:32:48,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2021-11-03 05:32:48,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 329. [2021-11-03 05:32:48,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 328 states have (on average 1.4085365853658536) internal successors, (462), 328 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:32:48,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 462 transitions. [2021-11-03 05:32:48,332 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 462 transitions. Word has length 86 [2021-11-03 05:32:48,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:32:48,332 INFO L470 AbstractCegarLoop]: Abstraction has 329 states and 462 transitions. [2021-11-03 05:32:48,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.375) internal successors, (123), 7 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:32:48,333 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 462 transitions. [2021-11-03 05:32:48,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-03 05:32:48,339 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:32:48,339 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, 1, 1] [2021-11-03 05:32:48,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:32:48,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-03 05:32:48,559 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:32:48,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:32:48,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1438370520, now seen corresponding path program 1 times [2021-11-03 05:32:48,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:32:48,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574737696] [2021-11-03 05:32:48,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:32:48,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:32:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 05:32:48,645 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-03 05:32:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 05:32:48,789 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-03 05:32:48,789 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-03 05:32:48,790 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 05:32:48,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-11-03 05:32:48,796 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:32:48,800 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 05:32:48,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:32:48 BoogieIcfgContainer [2021-11-03 05:32:48,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 05:32:48,915 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 05:32:48,915 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 05:32:48,916 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 05:32:48,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:32:07" (3/4) ... [2021-11-03 05:32:48,918 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-03 05:32:49,050 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/witness.graphml [2021-11-03 05:32:49,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 05:32:49,054 INFO L168 Benchmark]: Toolchain (without parser) took 43491.40 ms. Allocated memory was 107.0 MB in the beginning and 314.6 MB in the end (delta: 207.6 MB). Free memory was 72.3 MB in the beginning and 140.8 MB in the end (delta: -68.6 MB). Peak memory consumption was 139.0 MB. Max. memory is 16.1 GB. [2021-11-03 05:32:49,054 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 107.0 MB. Free memory was 77.5 MB in the beginning and 77.5 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:32:49,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.22 ms. Allocated memory is still 107.0 MB. Free memory was 72.0 MB in the beginning and 79.5 MB in the end (delta: -7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 05:32:49,055 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.51 ms. Allocated memory is still 107.0 MB. Free memory was 79.5 MB in the beginning and 76.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 05:32:49,055 INFO L168 Benchmark]: Boogie Preprocessor took 88.62 ms. Allocated memory is still 107.0 MB. Free memory was 76.7 MB in the beginning and 74.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 05:32:49,055 INFO L168 Benchmark]: RCFGBuilder took 1057.53 ms. Allocated memory is still 107.0 MB. Free memory was 74.3 MB in the beginning and 70.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 46.2 MB. Max. memory is 16.1 GB. [2021-11-03 05:32:49,056 INFO L168 Benchmark]: TraceAbstraction took 41738.15 ms. Allocated memory was 107.0 MB in the beginning and 314.6 MB in the end (delta: 207.6 MB). Free memory was 70.2 MB in the beginning and 154.5 MB in the end (delta: -84.3 MB). Peak memory consumption was 122.7 MB. Max. memory is 16.1 GB. [2021-11-03 05:32:49,056 INFO L168 Benchmark]: Witness Printer took 136.22 ms. Allocated memory is still 314.6 MB. Free memory was 154.5 MB in the beginning and 140.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-03 05:32:49,063 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 107.0 MB. Free memory was 77.5 MB in the beginning and 77.5 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 412.22 ms. Allocated memory is still 107.0 MB. Free memory was 72.0 MB in the beginning and 79.5 MB in the end (delta: -7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.51 ms. Allocated memory is still 107.0 MB. Free memory was 79.5 MB in the beginning and 76.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.62 ms. Allocated memory is still 107.0 MB. Free memory was 76.7 MB in the beginning and 74.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1057.53 ms. Allocated memory is still 107.0 MB. Free memory was 74.3 MB in the beginning and 70.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 46.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 41738.15 ms. Allocated memory was 107.0 MB in the beginning and 314.6 MB in the end (delta: 207.6 MB). Free memory was 70.2 MB in the beginning and 154.5 MB in the end (delta: -84.3 MB). Peak memory consumption was 122.7 MB. Max. memory is 16.1 GB. * Witness Printer took 136.22 ms. Allocated memory is still 314.6 MB. Free memory was 154.5 MB in the beginning and 140.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 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 - CounterExampleResult [Line: 585]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L590] int s ; [L594] s = 12292 [L24] int s__info_callback = __VERIFIER_nondet_int() ; [L25] int s__in_handshake = __VERIFIER_nondet_int() ; [L26] int s__state ; [L27] int s__new_session ; [L28] int s__server ; [L29] int s__version = __VERIFIER_nondet_int() ; [L30] int s__type ; [L31] int s__init_num ; [L32] int s__bbio = __VERIFIER_nondet_int() ; [L33] int s__wbio = __VERIFIER_nondet_int() ; [L34] int s__hit = __VERIFIER_nondet_int() ; [L35] int s__rwstate ; [L36] int s__init_buf___0 = __VERIFIER_nondet_int() ; [L37] int s__debug = __VERIFIER_nondet_int() ; [L38] int s__shutdown ; [L39] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L40] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L41] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L42] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L43] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L44] int s__s3__change_cipher_spec ; [L45] int s__s3__flags = __VERIFIER_nondet_int() ; [L46] int s__s3__delay_buf_pop_ret ; [L47] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L48] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L49] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L50] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L51] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L52] int s__s3__tmp__next_state___0 ; [L53] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L54] int s__session__cipher ; [L55] int s__session__compress_meth ; [L56] int buf ; [L57] unsigned long tmp ; [L58] unsigned long l ; [L59] int num1 = __VERIFIER_nondet_int() ; [L60] int cb ; [L61] int ret ; [L62] int new_state ; [L63] int state ; [L64] int skip ; [L65] int tmp___0 ; [L66] int tmp___1 = __VERIFIER_nondet_int() ; [L67] int tmp___2 = __VERIFIER_nondet_int() ; [L68] int tmp___3 = __VERIFIER_nondet_int() ; [L69] int tmp___4 = __VERIFIER_nondet_int() ; [L70] int tmp___5 = __VERIFIER_nondet_int() ; [L71] int tmp___6 = __VERIFIER_nondet_int() ; [L72] int tmp___7 = __VERIFIER_nondet_int() ; [L73] int tmp___8 = __VERIFIER_nondet_int() ; [L74] int tmp___9 = __VERIFIER_nondet_int() ; [L75] int blastFlag ; [L76] int __cil_tmp55 ; [L77] void *__cil_tmp56 ; [L78] unsigned long __cil_tmp57 ; [L79] unsigned long __cil_tmp58 = __VERIFIER_nondet_ulong() ; [L80] void *__cil_tmp59 ; [L81] unsigned long __cil_tmp60 ; [L82] unsigned long __cil_tmp61 ; [L83] unsigned long __cil_tmp62 ; [L84] unsigned long __cil_tmp63 ; [L85] unsigned long __cil_tmp64 ; [L86] long __cil_tmp65 = __VERIFIER_nondet_long() ; [L87] long __cil_tmp66 ; [L88] long __cil_tmp67 ; [L89] long __cil_tmp68 ; [L90] long __cil_tmp69 ; [L91] long __cil_tmp70 = __VERIFIER_nondet_long() ; [L92] long __cil_tmp71 ; [L93] long __cil_tmp72 ; [L94] long __cil_tmp73 ; [L95] long __cil_tmp74 ; [L99] s__state = initial_state [L100] blastFlag = 0 [L101] tmp = __VERIFIER_nondet_int() [L102] cb = 0 [L103] ret = -1 [L104] skip = 0 [L105] tmp___0 = 0 [L106] COND TRUE s__info_callback != 0 [L107] cb = s__info_callback [L113] s__in_handshake ++ [L114] COND TRUE tmp___1 + 12288 [L115] COND TRUE tmp___2 + 16384 [L120] COND TRUE 1 [L122] state = s__state [L123] COND TRUE s__state == 12292 [L225] s__new_session = 1 [L226] s__state = 4096 [L227] s__ctx__stats__sess_connect_renegotiate ++ [L232] s__server = 0 [L233] COND TRUE cb != 0 [L237] __cil_tmp55 = s__version + 65280 [L238] COND FALSE !(__cil_tmp55 != 768) [L243] s__type = 4096 [L245] __cil_tmp56 = (void *)0 [L246] __cil_tmp57 = (unsigned long )__cil_tmp56 [L247] __cil_tmp58 = (unsigned long )s__init_buf___0 [L248] COND FALSE !(__cil_tmp58 == __cil_tmp57) [L266] COND FALSE !(! tmp___4) [L270] COND FALSE !(! tmp___5) [L274] s__state = 4368 [L275] s__ctx__stats__sess_connect ++ [L276] s__init_num = 0 [L557] COND FALSE !(! s__s3__tmp__reuse_message) [L574] skip = 0 [L120] COND TRUE 1 [L122] state = s__state [L123] COND FALSE !(s__state == 12292) [L126] COND FALSE !(s__state == 16384) [L129] COND FALSE !(s__state == 4096) [L132] COND FALSE !(s__state == 20480) [L135] COND FALSE !(s__state == 4099) [L138] COND TRUE s__state == 4368 [L280] s__shutdown = 0 [L281] ret = __VERIFIER_nondet_int() [L282] COND TRUE blastFlag == 0 [L283] blastFlag = 1 [L285] COND FALSE !(ret <= 0) [L288] s__state = 4384 [L289] s__init_num = 0 [L291] __cil_tmp62 = (unsigned long )s__wbio [L292] __cil_tmp63 = (unsigned long )s__bbio [L293] COND FALSE !(__cil_tmp63 != __cil_tmp62) [L557] COND FALSE !(! s__s3__tmp__reuse_message) [L574] skip = 0 [L120] COND TRUE 1 [L122] state = s__state [L123] COND FALSE !(s__state == 12292) [L126] COND FALSE !(s__state == 16384) [L129] COND FALSE !(s__state == 4096) [L132] COND FALSE !(s__state == 20480) [L135] COND FALSE !(s__state == 4099) [L138] COND FALSE !(s__state == 4368) [L141] COND FALSE !(s__state == 4369) [L144] COND TRUE s__state == 4384 [L300] ret = __VERIFIER_nondet_int() [L301] COND TRUE blastFlag == 1 [L302] blastFlag = 2 [L308] COND FALSE !(ret <= 0) [L311] COND FALSE !(\read(s__hit)) [L314] s__state = 4400 [L316] s__init_num = 0 [L557] COND FALSE !(! s__s3__tmp__reuse_message) [L574] skip = 0 [L120] COND TRUE 1 [L122] state = s__state [L123] COND FALSE !(s__state == 12292) [L126] COND FALSE !(s__state == 16384) [L129] COND FALSE !(s__state == 4096) [L132] COND FALSE !(s__state == 20480) [L135] COND FALSE !(s__state == 4099) [L138] COND FALSE !(s__state == 4368) [L141] COND FALSE !(s__state == 4369) [L144] COND FALSE !(s__state == 4384) [L147] COND FALSE !(s__state == 4385) [L150] COND TRUE s__state == 4400 [L321] __cil_tmp64 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L322] COND FALSE !(__cil_tmp64 + 256UL) [L325] ret = __VERIFIER_nondet_int() [L326] COND TRUE blastFlag == 2 [L327] blastFlag = 3 [L329] COND FALSE !(ret <= 0) [L334] s__state = 4416 [L335] s__init_num = 0 [L557] COND FALSE !(! s__s3__tmp__reuse_message) [L574] skip = 0 [L120] COND TRUE 1 [L122] state = s__state [L123] COND FALSE !(s__state == 12292) [L126] COND FALSE !(s__state == 16384) [L129] COND FALSE !(s__state == 4096) [L132] COND FALSE !(s__state == 20480) [L135] COND FALSE !(s__state == 4099) [L138] COND FALSE !(s__state == 4368) [L141] COND FALSE !(s__state == 4369) [L144] COND FALSE !(s__state == 4384) [L147] COND FALSE !(s__state == 4385) [L150] COND FALSE !(s__state == 4400) [L153] COND FALSE !(s__state == 4401) [L156] COND TRUE s__state == 4416 [L339] ret = __VERIFIER_nondet_int() [L340] COND TRUE blastFlag == 3 [L341] blastFlag = 4 [L343] COND FALSE !(ret <= 0) [L346] s__state = 4432 [L347] s__init_num = 0 [L348] COND FALSE !(! tmp___6) [L557] COND FALSE !(! s__s3__tmp__reuse_message) [L574] skip = 0 [L120] COND TRUE 1 [L122] state = s__state [L123] COND FALSE !(s__state == 12292) [L126] COND FALSE !(s__state == 16384) [L129] COND FALSE !(s__state == 4096) [L132] COND FALSE !(s__state == 20480) [L135] COND FALSE !(s__state == 4099) [L138] COND FALSE !(s__state == 4368) [L141] COND FALSE !(s__state == 4369) [L144] COND FALSE !(s__state == 4384) [L147] COND FALSE !(s__state == 4385) [L150] COND FALSE !(s__state == 4400) [L153] COND FALSE !(s__state == 4401) [L156] COND FALSE !(s__state == 4416) [L159] COND FALSE !(s__state == 4417) [L162] COND TRUE s__state == 4432 [L355] ret = __VERIFIER_nondet_int() [L356] COND TRUE blastFlag == 4 [L585] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.5s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 783 SDtfs, 773 SDslu, 894 SDs, 0 SdLazy, 784 SolverSat, 147 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 378 GetRequests, 318 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 28.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=329occurred in iteration=6, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 343 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 517 NumberOfCodeBlocks, 517 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 558 ConstructedInterpolants, 0 QuantifiedInterpolants, 1657 SizeOfPredicates, 1 NumberOfNonLiveVariables, 508 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 313/550 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 proved your program to be incorrect! [2021-11-03 05:32:49,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11535105-7d5f-4022-b1a6-b84af96d7dd4/bin/utaipan-aC7eJsxGYH/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE