./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_srvr_13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw --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 3b8ae0d67f444d6aa93f2e91c04ce7de91863eac2f9958a5a1b68267db2f4065 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 06:29:56,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 06:29:56,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 06:29:56,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 06:29:56,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 06:29:56,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 06:29:56,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 06:29:56,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 06:29:56,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 06:29:56,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 06:29:56,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 06:29:56,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 06:29:56,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 06:29:56,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 06:29:56,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 06:29:56,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 06:29:56,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 06:29:56,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 06:29:56,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 06:29:56,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 06:29:56,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 06:29:56,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 06:29:56,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 06:29:56,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 06:29:56,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 06:29:56,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 06:29:56,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 06:29:56,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 06:29:56,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 06:29:56,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 06:29:56,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 06:29:56,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 06:29:56,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 06:29:56,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 06:29:56,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 06:29:56,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 06:29:56,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 06:29:56,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 06:29:56,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 06:29:56,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 06:29:56,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 06:29:56,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 06:29:56,460 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 06:29:56,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 06:29:56,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 06:29:56,463 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 06:29:56,464 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 06:29:56,464 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 06:29:56,464 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 06:29:56,464 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 06:29:56,464 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 06:29:56,465 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 06:29:56,471 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 06:29:56,472 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 06:29:56,472 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 06:29:56,472 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 06:29:56,472 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 06:29:56,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 06:29:56,473 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 06:29:56,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 06:29:56,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 06:29:56,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 06:29:56,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 06:29:56,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 06:29:56,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 06:29:56,474 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 06:29:56,475 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 06:29:56,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 06:29:56,475 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 06:29:56,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 06:29:56,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 06:29:56,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 06:29:56,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:29:56,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 06:29:56,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 06:29:56,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 06:29:56,476 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 06:29:56,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 06:29:56,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 06:29:56,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 06:29:56,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 06:29:56,477 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_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b8ae0d67f444d6aa93f2e91c04ce7de91863eac2f9958a5a1b68267db2f4065 [2021-10-20 06:29:56,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 06:29:56,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 06:29:56,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 06:29:56,788 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 06:29:56,790 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 06:29:56,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/openssl-simplified/s3_srvr_13.cil.c [2021-10-20 06:29:56,872 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/data/b809f08d3/49a9cbedf9184af4885b542550f99bb6/FLAGdc854edcc [2021-10-20 06:29:57,317 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 06:29:57,318 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/sv-benchmarks/c/openssl-simplified/s3_srvr_13.cil.c [2021-10-20 06:29:57,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/data/b809f08d3/49a9cbedf9184af4885b542550f99bb6/FLAGdc854edcc [2021-10-20 06:29:57,685 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/data/b809f08d3/49a9cbedf9184af4885b542550f99bb6 [2021-10-20 06:29:57,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 06:29:57,689 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 06:29:57,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 06:29:57,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 06:29:57,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 06:29:57,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:29:57" (1/1) ... [2021-10-20 06:29:57,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c32652b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:57, skipping insertion in model container [2021-10-20 06:29:57,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:29:57" (1/1) ... [2021-10-20 06:29:57,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 06:29:57,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:29:58,018 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_f82bf8c6-974a-421a-a5a6-412e36284d3e/sv-benchmarks/c/openssl-simplified/s3_srvr_13.cil.c[45032,45045] [2021-10-20 06:29:58,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:29:58,034 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 06:29:58,101 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_f82bf8c6-974a-421a-a5a6-412e36284d3e/sv-benchmarks/c/openssl-simplified/s3_srvr_13.cil.c[45032,45045] [2021-10-20 06:29:58,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:29:58,124 INFO L208 MainTranslator]: Completed translation [2021-10-20 06:29:58,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:58 WrapperNode [2021-10-20 06:29:58,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 06:29:58,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 06:29:58,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 06:29:58,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 06:29:58,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:58" (1/1) ... [2021-10-20 06:29:58,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:58" (1/1) ... [2021-10-20 06:29:58,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 06:29:58,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 06:29:58,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 06:29:58,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 06:29:58,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:58" (1/1) ... [2021-10-20 06:29:58,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:58" (1/1) ... [2021-10-20 06:29:58,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:58" (1/1) ... [2021-10-20 06:29:58,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:58" (1/1) ... [2021-10-20 06:29:58,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:58" (1/1) ... [2021-10-20 06:29:58,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:58" (1/1) ... [2021-10-20 06:29:58,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:58" (1/1) ... [2021-10-20 06:29:58,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 06:29:58,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 06:29:58,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 06:29:58,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 06:29:58,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:58" (1/1) ... [2021-10-20 06:29:58,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:29:58,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:29:58,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 06:29:58,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 06:29:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-20 06:29:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 06:29:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 06:29:58,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 06:29:58,456 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-20 06:29:59,036 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-20 06:29:59,037 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-20 06:29:59,501 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 06:29:59,501 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-20 06:29:59,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:29:59 BoogieIcfgContainer [2021-10-20 06:29:59,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 06:29:59,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 06:29:59,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 06:29:59,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 06:29:59,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:29:57" (1/3) ... [2021-10-20 06:29:59,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe9d466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:29:59, skipping insertion in model container [2021-10-20 06:29:59,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:58" (2/3) ... [2021-10-20 06:29:59,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe9d466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:29:59, skipping insertion in model container [2021-10-20 06:29:59,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:29:59" (3/3) ... [2021-10-20 06:29:59,522 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_13.cil.c [2021-10-20 06:29:59,531 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 06:29:59,531 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-20 06:29:59,596 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 06:29:59,604 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-20 06:29:59,605 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-20 06:29:59,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 112 states have (on average 1.7767857142857142) internal successors, (199), 113 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:29:59,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-20 06:29:59,636 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:29:59,637 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:29:59,637 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:29:59,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:29:59,649 INFO L82 PathProgramCache]: Analyzing trace with hash -498136991, now seen corresponding path program 1 times [2021-10-20 06:29:59,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:29:59,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501419363] [2021-10-20 06:29:59,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:29:59,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:29:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:29:59,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:29:59,964 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:29:59,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501419363] [2021-10-20 06:29:59,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501419363] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:29:59,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:29:59,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-20 06:29:59,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859989456] [2021-10-20 06:29:59,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 06:29:59,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:29:59,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 06:29:59,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:29:59,993 INFO L87 Difference]: Start difference. First operand has 114 states, 112 states have (on average 1.7767857142857142) internal successors, (199), 113 states have internal predecessors, (199), 0 states have call successors, (0), 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) [2021-10-20 06:30:00,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:30:00,222 INFO L93 Difference]: Finished difference Result 250 states and 435 transitions. [2021-10-20 06:30:00,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:30:00,224 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 [2021-10-20 06:30:00,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:30:00,235 INFO L225 Difference]: With dead ends: 250 [2021-10-20 06:30:00,235 INFO L226 Difference]: Without dead ends: 132 [2021-10-20 06:30:00,238 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:30:00,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-20 06:30:00,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2021-10-20 06:30:00,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.496124031007752) internal successors, (193), 129 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:00,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 193 transitions. [2021-10-20 06:30:00,286 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 193 transitions. Word has length 19 [2021-10-20 06:30:00,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:30:00,287 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 193 transitions. [2021-10-20 06:30:00,287 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) [2021-10-20 06:30:00,287 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 193 transitions. [2021-10-20 06:30:00,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-20 06:30:00,288 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:30:00,289 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:30:00,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-20 06:30:00,289 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:30:00,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:30:00,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1206563838, now seen corresponding path program 1 times [2021-10-20 06:30:00,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:30:00,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043274965] [2021-10-20 06:30:00,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:30:00,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:30:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:30:00,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:30:00,385 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:30:00,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043274965] [2021-10-20 06:30:00,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043274965] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:30:00,386 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:30:00,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-20 06:30:00,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143508283] [2021-10-20 06:30:00,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 06:30:00,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:30:00,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 06:30:00,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:30:00,389 INFO L87 Difference]: Start difference. First operand 130 states and 193 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:00,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:30:00,579 INFO L93 Difference]: Finished difference Result 271 states and 401 transitions. [2021-10-20 06:30:00,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 06:30:00,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-20 06:30:00,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:30:00,582 INFO L225 Difference]: With dead ends: 271 [2021-10-20 06:30:00,582 INFO L226 Difference]: Without dead ends: 143 [2021-10-20 06:30:00,583 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-20 06:30:00,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-10-20 06:30:00,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 136. [2021-10-20 06:30:00,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.488888888888889) internal successors, (201), 135 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:00,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 201 transitions. [2021-10-20 06:30:00,597 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 201 transitions. Word has length 24 [2021-10-20 06:30:00,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:30:00,597 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 201 transitions. [2021-10-20 06:30:00,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:00,598 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 201 transitions. [2021-10-20 06:30:00,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-20 06:30:00,599 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:30:00,600 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:30:00,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-20 06:30:00,600 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:30:00,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:30:00,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1463975664, now seen corresponding path program 1 times [2021-10-20 06:30:00,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:30:00,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069882603] [2021-10-20 06:30:00,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:30:00,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:30:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:30:00,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:30:00,701 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:30:00,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069882603] [2021-10-20 06:30:00,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069882603] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:30:00,703 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:30:00,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-20 06:30:00,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881199577] [2021-10-20 06:30:00,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 06:30:00,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:30:00,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 06:30:00,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:30:00,714 INFO L87 Difference]: Start difference. First operand 136 states and 201 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:00,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:30:00,932 INFO L93 Difference]: Finished difference Result 324 states and 494 transitions. [2021-10-20 06:30:00,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:30:00,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2021-10-20 06:30:00,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:30:00,936 INFO L225 Difference]: With dead ends: 324 [2021-10-20 06:30:00,936 INFO L226 Difference]: Without dead ends: 178 [2021-10-20 06:30:00,941 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:30:00,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-10-20 06:30:00,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 175. [2021-10-20 06:30:00,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 174 states have (on average 1.4597701149425288) internal successors, (254), 174 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:00,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 254 transitions. [2021-10-20 06:30:00,977 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 254 transitions. Word has length 34 [2021-10-20 06:30:00,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:30:00,979 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 254 transitions. [2021-10-20 06:30:00,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:00,980 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 254 transitions. [2021-10-20 06:30:00,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-20 06:30:00,983 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:30:00,984 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:30:00,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-20 06:30:00,984 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:30:00,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:30:00,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1752669337, now seen corresponding path program 1 times [2021-10-20 06:30:00,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:30:00,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776967573] [2021-10-20 06:30:00,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:30:00,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:30:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:30:01,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:30:01,064 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:30:01,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776967573] [2021-10-20 06:30:01,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776967573] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-20 06:30:01,065 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513432006] [2021-10-20 06:30:01,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:30:01,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 06:30:01,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:30:01,067 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 06:30:01,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-20 06:30:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:30:01,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-20 06:30:01,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:30:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:30:01,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:30:01,577 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:30:01,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513432006] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 06:30:01,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1380804187] [2021-10-20 06:30:01,600 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2021-10-20 06:30:01,600 INFO L166 IcfgInterpreter]: Building call graph [2021-10-20 06:30:01,605 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-20 06:30:01,611 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-20 06:30:01,611 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-20 06:30:01,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:01,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:01,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:01,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-20 06:30:01,754 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:01,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:01,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-20 06:30:01,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-10-20 06:30:01,822 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 21=[|v_#valid_18|]} [2021-10-20 06:30:01,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:01,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:01,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:01,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-20 06:30:01,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:01,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 06:30:01,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:01,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 06:30:01,889 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 06:30:01,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:01,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:01,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:01,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-20 06:30:01,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:01,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 06:30:01,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:01,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 06:30:01,946 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 06:30:01,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:01,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:01,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:01,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-20 06:30:01,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:01,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 06:30:01,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:01,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 06:30:01,982 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-20 06:30:01,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:02,189 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:02,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-10-20 06:30:02,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:02,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 06:30:02,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:02,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 06:30:02,243 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-10-20 06:30:02,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-10-20 06:30:02,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:02,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 06:30:02,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:02,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 06:30:02,294 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-10-20 06:30:02,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:02,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-10-20 06:30:02,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:02,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 06:30:02,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:02,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 06:30:02,338 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-10-20 06:30:02,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:02,480 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:02,559 INFO L180 QuantifierPusher]: treesize reduction 18, result has 98.3 percent of original size [2021-10-20 06:30:02,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1020 [2021-10-20 06:30:02,601 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-10-20 06:30:02,602 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:1113, output treesize:1020 [2021-10-20 06:30:02,678 INFO L180 QuantifierPusher]: treesize reduction 32, result has 97.1 percent of original size [2021-10-20 06:30:02,682 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:02,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:02,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1005 [2021-10-20 06:30:02,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1027 [2021-10-20 06:30:02,881 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.4 percent of original size [2021-10-20 06:30:02,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1022 [2021-10-20 06:30:03,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:03,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1030 [2021-10-20 06:30:03,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:03,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1028 [2021-10-20 06:30:03,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:03,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1028 [2021-10-20 06:30:03,358 INFO L180 QuantifierPusher]: treesize reduction 32, result has 97.1 percent of original size [2021-10-20 06:30:03,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:03,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:03,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1005 [2021-10-20 06:30:03,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1027 [2021-10-20 06:30:03,632 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.4 percent of original size [2021-10-20 06:30:03,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1022 [2021-10-20 06:30:03,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:03,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1030 [2021-10-20 06:30:03,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:03,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1028 [2021-10-20 06:30:03,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:03,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1028 [2021-10-20 06:30:03,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,429 INFO L180 QuantifierPusher]: treesize reduction 66, result has 83.7 percent of original size [2021-10-20 06:30:04,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 319 [2021-10-20 06:30:04,468 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.3 percent of original size [2021-10-20 06:30:04,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 333 [2021-10-20 06:30:04,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:04,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-10-20 06:30:04,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:04,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-10-20 06:30:04,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:04,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-10-20 06:30:04,607 INFO L180 QuantifierPusher]: treesize reduction 32, result has 92.2 percent of original size [2021-10-20 06:30:04,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-10-20 06:30:04,640 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.4 percent of original size [2021-10-20 06:30:04,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:30:04,669 INFO L180 QuantifierPusher]: treesize reduction 32, result has 92.2 percent of original size [2021-10-20 06:30:04,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-10-20 06:30:04,705 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.4 percent of original size [2021-10-20 06:30:04,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 354 [2021-10-20 06:30:04,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:04,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 350 [2021-10-20 06:30:04,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:04,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 354 [2021-10-20 06:30:04,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:04,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:30:04,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:04,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:05,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:05,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:05,400 INFO L180 QuantifierPusher]: treesize reduction 57, result has 90.9 percent of original size [2021-10-20 06:30:05,406 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:05,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:05,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:05,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:05,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-10-20 06:30:05,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-10-20 06:30:05,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 895 [2021-10-20 06:30:05,541 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.3 percent of original size [2021-10-20 06:30:05,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 522 [2021-10-20 06:30:05,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:05,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 530 [2021-10-20 06:30:05,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:05,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 528 [2021-10-20 06:30:05,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:05,638 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:05,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:05,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-10-20 06:30:05,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 522 [2021-10-20 06:30:05,690 INFO L180 QuantifierPusher]: treesize reduction 32, result has 94.6 percent of original size [2021-10-20 06:30:05,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 692 [2021-10-20 06:30:05,752 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.2 percent of original size [2021-10-20 06:30:05,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:05,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:05,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:05,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:05,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-10-20 06:30:05,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 473 [2021-10-20 06:30:05,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:30:05,820 INFO L180 QuantifierPusher]: treesize reduction 32, result has 94.6 percent of original size [2021-10-20 06:30:05,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 692 [2021-10-20 06:30:05,873 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.2 percent of original size [2021-10-20 06:30:05,885 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:05,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:05,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:05,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:05,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-10-20 06:30:05,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 473 [2021-10-20 06:30:05,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:30:05,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:05,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:05,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:05,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:05,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:05,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:05,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,131 INFO L180 QuantifierPusher]: treesize reduction 57, result has 90.9 percent of original size [2021-10-20 06:30:06,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:06,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:06,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 737 [2021-10-20 06:30:06,231 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:06,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:06,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:06,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:06,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-10-20 06:30:06,295 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:06,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:06,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 350 [2021-10-20 06:30:06,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 719 [2021-10-20 06:30:06,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 895 [2021-10-20 06:30:06,366 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.3 percent of original size [2021-10-20 06:30:06,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 522 [2021-10-20 06:30:06,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:06,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 530 [2021-10-20 06:30:06,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:06,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 528 [2021-10-20 06:30:06,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:06,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:07,233 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:07,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:07,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-10-20 06:30:07,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 522 [2021-10-20 06:30:07,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:07,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,140 INFO L180 QuantifierPusher]: treesize reduction 32, result has 94.6 percent of original size [2021-10-20 06:30:08,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 692 [2021-10-20 06:30:08,187 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.2 percent of original size [2021-10-20 06:30:08,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:08,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:08,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:08,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:08,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-10-20 06:30:08,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 473 [2021-10-20 06:30:08,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 681 [2021-10-20 06:30:08,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:08,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 677 [2021-10-20 06:30:08,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:08,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 681 [2021-10-20 06:30:08,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:08,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 06:30:08,340 INFO L180 QuantifierPusher]: treesize reduction 32, result has 97.1 percent of original size [2021-10-20 06:30:08,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:30:08,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:08,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1005 [2021-10-20 06:30:08,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1027 [2021-10-20 06:30:08,486 INFO L180 QuantifierPusher]: treesize reduction 6, result has 99.4 percent of original size [2021-10-20 06:30:08,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1022 [2021-10-20 06:30:08,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:08,974 INFO L180 QuantifierPusher]: treesize reduction 54, result has 85.8 percent of original size [2021-10-20 06:30:08,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 322 [2021-10-20 06:30:08,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:09,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:09,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:09,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:09,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:09,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 326 [2021-10-20 06:30:09,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:09,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:09,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:09,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:09,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:09,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:09,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:09,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:09,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:30:09,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 745 [2021-10-20 06:30:09,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:10,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:30:11,090 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-20 06:30:33,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1380804187] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:30:33,993 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-20 06:30:33,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [4, 4, 4] total 24 [2021-10-20 06:30:33,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824283532] [2021-10-20 06:30:33,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-20 06:30:33,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:30:33,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-20 06:30:33,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=413, Unknown=0, NotChecked=0, Total=552 [2021-10-20 06:30:33,996 INFO L87 Difference]: Start difference. First operand 175 states and 254 transitions. Second operand has 20 states, 20 states have (on average 1.6) internal successors, (32), 19 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:48,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:30:48,191 INFO L93 Difference]: Finished difference Result 468 states and 696 transitions. [2021-10-20 06:30:48,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-20 06:30:48,191 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.6) internal successors, (32), 19 states have internal predecessors, (32), 0 states have call successors, (0), 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 42 [2021-10-20 06:30:48,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:30:48,193 INFO L225 Difference]: With dead ends: 468 [2021-10-20 06:30:48,193 INFO L226 Difference]: Without dead ends: 292 [2021-10-20 06:30:48,194 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 98 SyntacticMatches, 8 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 33139.9ms TimeCoverageRelationStatistics Valid=331, Invalid=859, Unknown=0, NotChecked=0, Total=1190 [2021-10-20 06:30:48,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-10-20 06:30:48,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 248. [2021-10-20 06:30:48,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 247 states have (on average 1.417004048582996) internal successors, (350), 247 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:48,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 350 transitions. [2021-10-20 06:30:48,218 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 350 transitions. Word has length 42 [2021-10-20 06:30:48,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:30:48,219 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 350 transitions. [2021-10-20 06:30:48,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.6) internal successors, (32), 19 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:48,219 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 350 transitions. [2021-10-20 06:30:48,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-20 06:30:48,221 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:30:48,222 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:30:48,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-20 06:30:48,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 06:30:48,434 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:30:48,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:30:48,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1782334975, now seen corresponding path program 1 times [2021-10-20 06:30:48,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:30:48,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481325546] [2021-10-20 06:30:48,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:30:48,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:30:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:30:48,588 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-20 06:30:48,589 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:30:48,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481325546] [2021-10-20 06:30:48,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481325546] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:30:48,589 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:30:48,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-20 06:30:48,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263201371] [2021-10-20 06:30:48,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 06:30:48,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:30:48,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 06:30:48,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:30:48,591 INFO L87 Difference]: Start difference. First operand 248 states and 350 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:48,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:30:48,727 INFO L93 Difference]: Finished difference Result 449 states and 643 transitions. [2021-10-20 06:30:48,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 06:30:48,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2021-10-20 06:30:48,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:30:48,730 INFO L225 Difference]: With dead ends: 449 [2021-10-20 06:30:48,730 INFO L226 Difference]: Without dead ends: 276 [2021-10-20 06:30:48,730 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-20 06:30:48,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-10-20 06:30:48,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 254. [2021-10-20 06:30:48,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 253 states have (on average 1.4229249011857708) internal successors, (360), 253 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:48,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 360 transitions. [2021-10-20 06:30:48,751 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 360 transitions. Word has length 47 [2021-10-20 06:30:48,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:30:48,752 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 360 transitions. [2021-10-20 06:30:48,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:48,752 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 360 transitions. [2021-10-20 06:30:48,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-20 06:30:48,755 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:30:48,755 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-20 06:30:48,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2021-10-20 06:30:48,756 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:30:48,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:30:48,757 INFO L82 PathProgramCache]: Analyzing trace with hash -842494213, now seen corresponding path program 1 times [2021-10-20 06:30:48,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:30:48,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848327563] [2021-10-20 06:30:48,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:30:48,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:30:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:30:48,813 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:30:48,813 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:30:48,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848327563] [2021-10-20 06:30:48,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848327563] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-20 06:30:48,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76349858] [2021-10-20 06:30:48,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:30:48,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 06:30:48,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:30:48,815 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 06:30:48,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-20 06:30:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:30:48,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-20 06:30:48,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:30:49,162 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-20 06:30:49,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:30:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-20 06:30:49,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76349858] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:30:49,354 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-10-20 06:30:49,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [4] total 9 [2021-10-20 06:30:49,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790408790] [2021-10-20 06:30:49,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-20 06:30:49,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:30:49,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-20 06:30:49,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-20 06:30:49,357 INFO L87 Difference]: Start difference. First operand 254 states and 360 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:49,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:30:49,652 INFO L93 Difference]: Finished difference Result 576 states and 862 transitions. [2021-10-20 06:30:49,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 06:30:49,653 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-10-20 06:30:49,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:30:49,656 INFO L225 Difference]: With dead ends: 576 [2021-10-20 06:30:49,656 INFO L226 Difference]: Without dead ends: 356 [2021-10-20 06:30:49,657 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 29.4ms TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-20 06:30:49,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-10-20 06:30:49,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 289. [2021-10-20 06:30:49,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 288 states have (on average 1.3472222222222223) internal successors, (388), 288 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:49,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 388 transitions. [2021-10-20 06:30:49,678 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 388 transitions. Word has length 61 [2021-10-20 06:30:49,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:30:49,679 INFO L470 AbstractCegarLoop]: Abstraction has 289 states and 388 transitions. [2021-10-20 06:30:49,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:49,679 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 388 transitions. [2021-10-20 06:30:49,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-20 06:30:49,682 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:30:49,682 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:30:49,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-20 06:30:49,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 06:30:49,902 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:30:49,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:30:49,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1502858810, now seen corresponding path program 1 times [2021-10-20 06:30:49,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:30:49,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020403633] [2021-10-20 06:30:49,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:30:49,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:30:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:30:49,955 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:30:49,955 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:30:49,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020403633] [2021-10-20 06:30:49,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020403633] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:30:49,956 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:30:49,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-20 06:30:49,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540506537] [2021-10-20 06:30:49,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 06:30:49,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:30:49,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 06:30:49,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:30:49,958 INFO L87 Difference]: Start difference. First operand 289 states and 388 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:50,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:30:50,110 INFO L93 Difference]: Finished difference Result 614 states and 857 transitions. [2021-10-20 06:30:50,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:30:50,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-10-20 06:30:50,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:30:50,115 INFO L225 Difference]: With dead ends: 614 [2021-10-20 06:30:50,115 INFO L226 Difference]: Without dead ends: 354 [2021-10-20 06:30:50,116 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:30:50,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2021-10-20 06:30:50,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 337. [2021-10-20 06:30:50,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 336 states have (on average 1.3452380952380953) internal successors, (452), 336 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:50,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 452 transitions. [2021-10-20 06:30:50,141 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 452 transitions. Word has length 76 [2021-10-20 06:30:50,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:30:50,142 INFO L470 AbstractCegarLoop]: Abstraction has 337 states and 452 transitions. [2021-10-20 06:30:50,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:50,142 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 452 transitions. [2021-10-20 06:30:50,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-20 06:30:50,144 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:30:50,144 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:30:50,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-10-20 06:30:50,144 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:30:50,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:30:50,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1070010190, now seen corresponding path program 1 times [2021-10-20 06:30:50,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:30:50,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672416005] [2021-10-20 06:30:50,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:30:50,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:30:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:30:50,232 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-20 06:30:50,233 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:30:50,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672416005] [2021-10-20 06:30:50,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672416005] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:30:50,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:30:50,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-20 06:30:50,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210712628] [2021-10-20 06:30:50,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 06:30:50,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:30:50,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 06:30:50,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:30:50,235 INFO L87 Difference]: Start difference. First operand 337 states and 452 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:50,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:30:50,350 INFO L93 Difference]: Finished difference Result 660 states and 898 transitions. [2021-10-20 06:30:50,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:30:50,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 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 82 [2021-10-20 06:30:50,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:30:50,355 INFO L225 Difference]: With dead ends: 660 [2021-10-20 06:30:50,355 INFO L226 Difference]: Without dead ends: 362 [2021-10-20 06:30:50,356 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:30:50,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-10-20 06:30:50,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2021-10-20 06:30:50,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 1.3296398891966759) internal successors, (480), 361 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:50,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 480 transitions. [2021-10-20 06:30:50,380 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 480 transitions. Word has length 82 [2021-10-20 06:30:50,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:30:50,380 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 480 transitions. [2021-10-20 06:30:50,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:30:50,381 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 480 transitions. [2021-10-20 06:30:50,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-10-20 06:30:50,382 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:30:50,383 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:30:50,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-10-20 06:30:50,383 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:30:50,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:30:50,383 INFO L82 PathProgramCache]: Analyzing trace with hash -559953628, now seen corresponding path program 1 times [2021-10-20 06:30:50,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:30:50,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253086665] [2021-10-20 06:30:50,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:30:50,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:30:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 06:30:50,431 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-20 06:30:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 06:30:50,509 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-20 06:30:50,509 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-20 06:30:50,510 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:30:50,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-10-20 06:30:50,518 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 06:30:50,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:30:50 BoogieIcfgContainer [2021-10-20 06:30:50,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 06:30:50,608 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 06:30:50,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 06:30:50,611 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 06:30:50,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:29:59" (3/4) ... [2021-10-20 06:30:50,613 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-20 06:30:50,724 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 06:30:50,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 06:30:50,725 INFO L168 Benchmark]: Toolchain (without parser) took 53036.19 ms. Allocated memory was 119.5 MB in the beginning and 388.0 MB in the end (delta: 268.4 MB). Free memory was 79.8 MB in the beginning and 216.7 MB in the end (delta: -136.9 MB). Peak memory consumption was 132.2 MB. Max. memory is 16.1 GB. [2021-10-20 06:30:50,726 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 119.5 MB. Free memory was 96.9 MB in the beginning and 96.8 MB in the end (delta: 56.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:30:50,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.44 ms. Allocated memory is still 119.5 MB. Free memory was 79.6 MB in the beginning and 90.3 MB in the end (delta: -10.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 06:30:50,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.24 ms. Allocated memory is still 119.5 MB. Free memory was 90.3 MB in the beginning and 87.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 06:30:50,727 INFO L168 Benchmark]: Boogie Preprocessor took 76.21 ms. Allocated memory is still 119.5 MB. Free memory was 87.2 MB in the beginning and 85.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:30:50,731 INFO L168 Benchmark]: RCFGBuilder took 1240.49 ms. Allocated memory is still 119.5 MB. Free memory was 85.1 MB in the beginning and 80.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. [2021-10-20 06:30:50,732 INFO L168 Benchmark]: TraceAbstraction took 51101.48 ms. Allocated memory was 119.5 MB in the beginning and 388.0 MB in the end (delta: 268.4 MB). Free memory was 80.3 MB in the beginning and 228.2 MB in the end (delta: -147.9 MB). Peak memory consumption was 121.5 MB. Max. memory is 16.1 GB. [2021-10-20 06:30:50,733 INFO L168 Benchmark]: Witness Printer took 117.02 ms. Allocated memory is still 388.0 MB. Free memory was 228.2 MB in the beginning and 216.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 06:30:50,740 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 119.5 MB. Free memory was 96.9 MB in the beginning and 96.8 MB in the end (delta: 56.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 434.44 ms. Allocated memory is still 119.5 MB. Free memory was 79.6 MB in the beginning and 90.3 MB in the end (delta: -10.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.24 ms. Allocated memory is still 119.5 MB. Free memory was 90.3 MB in the beginning and 87.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.21 ms. Allocated memory is still 119.5 MB. Free memory was 87.2 MB in the beginning and 85.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1240.49 ms. Allocated memory is still 119.5 MB. Free memory was 85.1 MB in the beginning and 80.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 51101.48 ms. Allocated memory was 119.5 MB in the beginning and 388.0 MB in the end (delta: 268.4 MB). Free memory was 80.3 MB in the beginning and 228.2 MB in the end (delta: -147.9 MB). Peak memory consumption was 121.5 MB. Max. memory is 16.1 GB. * Witness Printer took 117.02 ms. Allocated memory is still 388.0 MB. Free memory was 228.2 MB in the beginning and 216.7 MB in the end (delta: 11.5 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 654]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L659] int s ; [L660] int tmp ; [L664] s = 8464 [L23] int s__info_callback = __VERIFIER_nondet_int() ; [L24] int s__in_handshake = __VERIFIER_nondet_int() ; [L25] int s__state ; [L26] int s__new_session ; [L27] int s__server ; [L28] int s__version = __VERIFIER_nondet_int() ; [L29] int s__type ; [L30] int s__init_num ; [L31] int s__hit = __VERIFIER_nondet_int() ; [L32] int s__rwstate ; [L33] int s__init_buf___0 = 1; [L34] int s__debug = __VERIFIER_nondet_int() ; [L35] int s__shutdown ; [L36] int s__cert = __VERIFIER_nondet_int() ; [L37] int s__options = __VERIFIER_nondet_int() ; [L38] int s__verify_mode = __VERIFIER_nondet_int() ; [L39] int s__session__peer = __VERIFIER_nondet_int() ; [L40] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L41] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L42] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L43] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L44] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L45] int s__s3__tmp__cert_request ; [L46] int s__s3__tmp__reuse_message ; [L47] int s__s3__tmp__use_rsa_tmp ; [L48] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L49] int s__s3__tmp__new_cipher__algorithms ; [L50] int s__s3__tmp__next_state___0 ; [L51] int s__s3__tmp__new_cipher__algo_strength ; [L52] int s__session__cipher ; [L53] int buf ; [L54] unsigned long l ; [L55] unsigned long Time ; [L56] unsigned long tmp ; [L57] int cb ; [L58] long num1 = __VERIFIER_nondet_long() ; [L59] int ret ; [L60] int new_state ; [L61] int state ; [L62] int skip ; [L63] int got_new_session ; [L64] int tmp___1 = __VERIFIER_nondet_int() ; [L65] int tmp___2 = __VERIFIER_nondet_int() ; [L66] int tmp___3 = __VERIFIER_nondet_int() ; [L67] int tmp___4 = __VERIFIER_nondet_int() ; [L68] int tmp___5 = __VERIFIER_nondet_int() ; [L69] int tmp___6 = __VERIFIER_nondet_int() ; [L70] int tmp___7 = __VERIFIER_nondet_int() ; [L71] long tmp___8 = __VERIFIER_nondet_long() ; [L72] int tmp___9 = __VERIFIER_nondet_int() ; [L73] int tmp___10 = __VERIFIER_nondet_int() ; [L74] int blastFlag ; [L75] int __cil_tmp55 ; [L76] unsigned long __cil_tmp56 ; [L77] unsigned long __cil_tmp57 ; [L78] unsigned long __cil_tmp58 ; [L79] unsigned long __cil_tmp59 ; [L80] int __cil_tmp60 ; [L81] unsigned long __cil_tmp61 ; [L84] s__state = initial_state [L85] blastFlag = 0 [L86] tmp = __VERIFIER_nondet_int() [L87] Time = tmp [L88] cb = 0 [L89] ret = -1 [L90] skip = 0 [L91] got_new_session = 0 [L92] COND FALSE !(s__info_callback != 0) [L95] COND FALSE !(s__ctx__info_callback != 0) [L99] s__in_handshake ++ [L100] COND FALSE !(tmp___1 + 12288) [L105] COND FALSE !(s__cert == 0) [L109] COND TRUE 1 [L111] state = s__state [L112] COND FALSE !(s__state == 12292) [L115] COND FALSE !(s__state == 16384) [L118] COND FALSE !(s__state == 8192) [L121] COND FALSE !(s__state == 24576) [L124] COND FALSE !(s__state == 8195) [L127] COND FALSE !(s__state == 8480) [L130] COND FALSE !(s__state == 8481) [L133] COND FALSE !(s__state == 8482) [L136] COND TRUE s__state == 8464 [L282] s__shutdown = 0 [L283] ret = __VERIFIER_nondet_int() [L284] COND TRUE blastFlag == 0 [L285] blastFlag = 1 [L287] COND FALSE !(ret <= 0) [L290] got_new_session = 1 [L291] s__state = 8496 [L292] s__init_num = 0 [L611] s__s3__tmp__reuse_message = __VERIFIER_nondet_int() [L612] COND FALSE !(! s__s3__tmp__reuse_message) [L643] skip = 0 [L109] COND TRUE 1 [L111] state = s__state [L112] COND FALSE !(s__state == 12292) [L115] COND FALSE !(s__state == 16384) [L118] COND FALSE !(s__state == 8192) [L121] COND FALSE !(s__state == 24576) [L124] COND FALSE !(s__state == 8195) [L127] COND FALSE !(s__state == 8480) [L130] COND FALSE !(s__state == 8481) [L133] COND FALSE !(s__state == 8482) [L136] COND FALSE !(s__state == 8464) [L139] COND FALSE !(s__state == 8465) [L142] COND FALSE !(s__state == 8466) [L145] COND TRUE s__state == 8496 [L296] ret = __VERIFIER_nondet_int() [L297] COND TRUE blastFlag == 1 [L298] blastFlag = 2 [L300] COND FALSE !(ret <= 0) [L303] COND FALSE !(\read(s__hit)) [L306] s__state = 8512 [L308] s__init_num = 0 [L611] s__s3__tmp__reuse_message = __VERIFIER_nondet_int() [L612] COND FALSE !(! s__s3__tmp__reuse_message) [L643] skip = 0 [L109] COND TRUE 1 [L111] state = s__state [L112] COND FALSE !(s__state == 12292) [L115] COND FALSE !(s__state == 16384) [L118] COND FALSE !(s__state == 8192) [L121] COND FALSE !(s__state == 24576) [L124] COND FALSE !(s__state == 8195) [L127] COND FALSE !(s__state == 8480) [L130] COND FALSE !(s__state == 8481) [L133] COND FALSE !(s__state == 8482) [L136] COND FALSE !(s__state == 8464) [L139] COND FALSE !(s__state == 8465) [L142] COND FALSE !(s__state == 8466) [L145] COND FALSE !(s__state == 8496) [L148] COND FALSE !(s__state == 8497) [L151] COND TRUE s__state == 8512 [L313] s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() [L314] __cil_tmp56 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L315] COND TRUE __cil_tmp56 + 256UL [L316] skip = 1 [L327] s__state = 8528 [L328] s__init_num = 0 [L611] s__s3__tmp__reuse_message = __VERIFIER_nondet_int() [L612] COND FALSE !(! s__s3__tmp__reuse_message) [L643] skip = 0 [L109] COND TRUE 1 [L111] state = s__state [L112] COND FALSE !(s__state == 12292) [L115] COND FALSE !(s__state == 16384) [L118] COND FALSE !(s__state == 8192) [L121] COND FALSE !(s__state == 24576) [L124] COND FALSE !(s__state == 8195) [L127] COND FALSE !(s__state == 8480) [L130] COND FALSE !(s__state == 8481) [L133] COND FALSE !(s__state == 8482) [L136] COND FALSE !(s__state == 8464) [L139] COND FALSE !(s__state == 8465) [L142] COND FALSE !(s__state == 8466) [L145] COND FALSE !(s__state == 8496) [L148] COND FALSE !(s__state == 8497) [L151] COND FALSE !(s__state == 8512) [L154] COND FALSE !(s__state == 8513) [L157] COND TRUE s__state == 8528 [L332] s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() [L333] l = (unsigned long )s__s3__tmp__new_cipher__algorithms [L335] __cil_tmp57 = (unsigned long )s__options [L336] COND TRUE __cil_tmp57 + 2097152UL [L337] s__s3__tmp__use_rsa_tmp = 1 [L342] COND TRUE \read(s__s3__tmp__use_rsa_tmp) [L369] ret = __VERIFIER_nondet_int() [L370] COND FALSE !(blastFlag == 6) [L373] COND FALSE !(ret <= 0) [L390] s__state = 8544 [L391] s__init_num = 0 [L611] s__s3__tmp__reuse_message = __VERIFIER_nondet_int() [L612] COND TRUE ! s__s3__tmp__reuse_message [L613] COND TRUE ! skip [L614] COND TRUE state == 8528 [L615] COND TRUE s__state == 8544 [L616] COND TRUE tmp___7 != 1024 [L617] COND TRUE tmp___7 != 512 [L618] COND TRUE __cil_tmp58 != 4294967294 [L619] COND TRUE l != 4294967266 [L654] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 50922.4ms, OverallIterations: 9, TraceHistogramMax: 4, EmptinessCheckTime: 32.0ms, AutomataDifference: 15616.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1211 SDtfs, 1162 SDslu, 896 SDs, 0 SdLazy, 2614 SolverSat, 310 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4314.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 286 GetRequests, 228 SyntacticMatches, 8 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 33202.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=8, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 195.6ms AutomataMinimizationTime, 8 MinimizatonAttempts, 162 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 75.4ms SsaConstructionTime, 327.1ms SatisfiabilityAnalysisTime, 1364.4ms InterpolantComputationTime, 576 NumberOfCodeBlocks, 576 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 579 ConstructedInterpolants, 0 QuantifiedInterpolants, 1303 SizeOfPredicates, 2 NumberOfNonLiveVariables, 393 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 242/284 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME[ms]: 9490, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 39, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 189, TOOLS_POST_TIME[ms]: 4024, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 134, TOOLS_QUANTIFIERELIM_TIME[ms]: 3962, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 883, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 231, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME[ms]: 4715, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 406, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 185, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2524, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2524, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 2, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 79, DAG_COMPRESSION_PROCESSED_NODES: 3503, DAG_COMPRESSION_RETAINED_NODES: 158, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-20 06:30:50,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82bf8c6-974a-421a-a5a6-412e36284d3e/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...