./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1e6bc48c773a54aecbf8b321eeae48dfd7a3b2413c7cb2dede132848b5b7d418 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:16:04,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:16:04,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:16:04,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:16:04,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:16:04,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:16:04,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:16:04,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:16:04,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:16:04,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:16:04,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:16:04,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:16:04,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:16:04,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:16:04,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:16:04,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:16:04,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:16:04,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:16:04,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:16:04,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:16:04,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:16:04,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:16:04,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:16:04,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:16:04,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:16:04,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:16:04,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:16:04,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:16:04,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:16:04,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:16:04,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:16:04,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:16:04,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:16:04,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:16:04,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:16:04,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:16:04,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:16:04,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:16:04,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:16:04,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:16:04,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:16:04,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:16:04,496 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:16:04,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:16:04,497 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:16:04,497 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:16:04,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:16:04,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:16:04,505 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:16:04,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:16:04,506 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:16:04,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:16:04,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:16:04,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:16:04,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:16:04,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:16:04,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:16:04,508 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:16:04,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:16:04,509 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:16:04,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:16:04,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:16:04,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:16:04,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:16:04,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:16:04,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:16:04,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:16:04,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:16:04,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:16:04,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:16:04,512 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:16:04,513 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:16:04,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:16:04,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:16:04,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e6bc48c773a54aecbf8b321eeae48dfd7a3b2413c7cb2dede132848b5b7d418 [2021-10-28 09:16:04,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:16:04,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:16:04,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:16:04,798 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:16:04,798 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:16:04,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2021-10-28 09:16:04,861 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/data/253ba099b/bfd049cbdef949b0a2dcf94f9f4d8dda/FLAG00408034f [2021-10-28 09:16:05,407 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:16:05,408 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2021-10-28 09:16:05,420 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/data/253ba099b/bfd049cbdef949b0a2dcf94f9f4d8dda/FLAG00408034f [2021-10-28 09:16:05,712 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/data/253ba099b/bfd049cbdef949b0a2dcf94f9f4d8dda [2021-10-28 09:16:05,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:16:05,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:16:05,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:16:05,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:16:05,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:16:05,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:16:05" (1/1) ... [2021-10-28 09:16:05,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d9d8d65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:05, skipping insertion in model container [2021-10-28 09:16:05,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:16:05" (1/1) ... [2021-10-28 09:16:05,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:16:05,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:16:06,014 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_52b13aee-a772-4896-a32b-1dd5e146b36c/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44298,44311] [2021-10-28 09:16:06,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:16:06,030 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:16:06,088 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_52b13aee-a772-4896-a32b-1dd5e146b36c/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44298,44311] [2021-10-28 09:16:06,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:16:06,118 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:16:06,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:06 WrapperNode [2021-10-28 09:16:06,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:16:06,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:16:06,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:16:06,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:16:06,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:06" (1/1) ... [2021-10-28 09:16:06,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:06" (1/1) ... [2021-10-28 09:16:06,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:16:06,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:16:06,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:16:06,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:16:06,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:06" (1/1) ... [2021-10-28 09:16:06,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:06" (1/1) ... [2021-10-28 09:16:06,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:06" (1/1) ... [2021-10-28 09:16:06,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:06" (1/1) ... [2021-10-28 09:16:06,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:06" (1/1) ... [2021-10-28 09:16:06,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:06" (1/1) ... [2021-10-28 09:16:06,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:06" (1/1) ... [2021-10-28 09:16:06,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:16:06,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:16:06,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:16:06,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:16:06,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:06" (1/1) ... [2021-10-28 09:16:06,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:16:06,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:16:06,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:16:06,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:16:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:16:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:16:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:16:06,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:16:06,485 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:16:07,109 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-28 09:16:07,110 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-28 09:16:07,125 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:16:07,126 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:16:07,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:16:07 BoogieIcfgContainer [2021-10-28 09:16:07,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:16:07,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:16:07,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:16:07,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:16:07,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:16:05" (1/3) ... [2021-10-28 09:16:07,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad4c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:16:07, skipping insertion in model container [2021-10-28 09:16:07,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:06" (2/3) ... [2021-10-28 09:16:07,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad4c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:16:07, skipping insertion in model container [2021-10-28 09:16:07,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:16:07" (3/3) ... [2021-10-28 09:16:07,140 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2021-10-28 09:16:07,146 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:16:07,146 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:16:07,194 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:16:07,200 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=PETRI_NET, 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 [2021-10-28 09:16:07,201 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:16:07,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:07,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-28 09:16:07,236 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:07,236 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:07,237 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:07,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:07,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1632003015, now seen corresponding path program 1 times [2021-10-28 09:16:07,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:07,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693207884] [2021-10-28 09:16:07,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:07,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:07,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:16:07,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:07,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693207884] [2021-10-28 09:16:07,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693207884] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:07,602 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:07,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:07,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838140758] [2021-10-28 09:16:07,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:07,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:07,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:07,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:07,636 INFO L87 Difference]: Start difference. First operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 0 states have call successors, (0), 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 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:07,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:07,960 INFO L93 Difference]: Finished difference Result 323 states and 559 transitions. [2021-10-28 09:16:07,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:07,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2021-10-28 09:16:07,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:07,978 INFO L225 Difference]: With dead ends: 323 [2021-10-28 09:16:07,978 INFO L226 Difference]: Without dead ends: 171 [2021-10-28 09:16:07,983 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:08,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-10-28 09:16:08,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 166. [2021-10-28 09:16:08,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.6424242424242423) internal successors, (271), 165 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:08,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 271 transitions. [2021-10-28 09:16:08,058 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 271 transitions. Word has length 44 [2021-10-28 09:16:08,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:08,059 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 271 transitions. [2021-10-28 09:16:08,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:08,060 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 271 transitions. [2021-10-28 09:16:08,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-28 09:16:08,067 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:08,068 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:08,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:16:08,068 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:08,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:08,072 INFO L85 PathProgramCache]: Analyzing trace with hash -954579415, now seen corresponding path program 1 times [2021-10-28 09:16:08,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:08,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980519975] [2021-10-28 09:16:08,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:08,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:08,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:16:08,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:08,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980519975] [2021-10-28 09:16:08,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980519975] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:08,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:08,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:08,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766643668] [2021-10-28 09:16:08,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:08,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:08,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:08,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:08,212 INFO L87 Difference]: Start difference. First operand 166 states and 271 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:08,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:08,405 INFO L93 Difference]: Finished difference Result 372 states and 616 transitions. [2021-10-28 09:16:08,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:08,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2021-10-28 09:16:08,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:08,410 INFO L225 Difference]: With dead ends: 372 [2021-10-28 09:16:08,411 INFO L226 Difference]: Without dead ends: 212 [2021-10-28 09:16:08,415 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:08,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-10-28 09:16:08,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207. [2021-10-28 09:16:08,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 206 states have (on average 1.6893203883495145) internal successors, (348), 206 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:08,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 348 transitions. [2021-10-28 09:16:08,448 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 348 transitions. Word has length 45 [2021-10-28 09:16:08,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:08,448 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 348 transitions. [2021-10-28 09:16:08,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:08,449 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 348 transitions. [2021-10-28 09:16:08,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-28 09:16:08,455 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:08,455 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:08,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:16:08,456 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:08,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:08,457 INFO L85 PathProgramCache]: Analyzing trace with hash -420309214, now seen corresponding path program 1 times [2021-10-28 09:16:08,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:08,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708375061] [2021-10-28 09:16:08,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:08,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:08,599 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:16:08,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:08,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708375061] [2021-10-28 09:16:08,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708375061] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:08,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:08,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:08,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396381696] [2021-10-28 09:16:08,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:08,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:08,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:08,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:08,602 INFO L87 Difference]: Start difference. First operand 207 states and 348 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:08,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:08,738 INFO L93 Difference]: Finished difference Result 437 states and 742 transitions. [2021-10-28 09:16:08,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:08,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-28 09:16:08,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:08,741 INFO L225 Difference]: With dead ends: 437 [2021-10-28 09:16:08,741 INFO L226 Difference]: Without dead ends: 238 [2021-10-28 09:16:08,742 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:08,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-10-28 09:16:08,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2021-10-28 09:16:08,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 237 states have (on average 1.7046413502109705) internal successors, (404), 237 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:08,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 404 transitions. [2021-10-28 09:16:08,754 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 404 transitions. Word has length 72 [2021-10-28 09:16:08,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:08,755 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 404 transitions. [2021-10-28 09:16:08,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:08,755 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 404 transitions. [2021-10-28 09:16:08,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-28 09:16:08,756 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:08,757 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:08,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:16:08,757 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:08,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:08,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1606429448, now seen corresponding path program 1 times [2021-10-28 09:16:08,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:08,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703721576] [2021-10-28 09:16:08,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:08,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:08,806 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:16:08,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:08,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703721576] [2021-10-28 09:16:08,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703721576] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:08,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:08,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:08,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728927400] [2021-10-28 09:16:08,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:08,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:08,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:08,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:08,810 INFO L87 Difference]: Start difference. First operand 238 states and 404 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:08,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:08,914 INFO L93 Difference]: Finished difference Result 485 states and 824 transitions. [2021-10-28 09:16:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:08,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-10-28 09:16:08,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:08,917 INFO L225 Difference]: With dead ends: 485 [2021-10-28 09:16:08,917 INFO L226 Difference]: Without dead ends: 255 [2021-10-28 09:16:08,918 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:08,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-10-28 09:16:08,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2021-10-28 09:16:08,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.6944444444444444) internal successors, (427), 252 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:08,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 427 transitions. [2021-10-28 09:16:08,928 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 427 transitions. Word has length 84 [2021-10-28 09:16:08,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:08,929 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 427 transitions. [2021-10-28 09:16:08,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:08,929 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 427 transitions. [2021-10-28 09:16:08,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-28 09:16:08,931 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:08,931 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:08,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:16:08,931 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:08,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:08,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1610778141, now seen corresponding path program 1 times [2021-10-28 09:16:08,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:08,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774656600] [2021-10-28 09:16:08,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:08,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:09,002 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:16:09,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:09,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774656600] [2021-10-28 09:16:09,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774656600] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:09,005 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:09,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:09,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532520114] [2021-10-28 09:16:09,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:09,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:09,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:09,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:09,010 INFO L87 Difference]: Start difference. First operand 253 states and 427 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:09,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:09,175 INFO L93 Difference]: Finished difference Result 544 states and 923 transitions. [2021-10-28 09:16:09,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:09,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-10-28 09:16:09,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:09,178 INFO L225 Difference]: With dead ends: 544 [2021-10-28 09:16:09,178 INFO L226 Difference]: Without dead ends: 299 [2021-10-28 09:16:09,179 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:09,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-10-28 09:16:09,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 295. [2021-10-28 09:16:09,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 294 states have (on average 1.7040816326530612) internal successors, (501), 294 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:09,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 501 transitions. [2021-10-28 09:16:09,190 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 501 transitions. Word has length 84 [2021-10-28 09:16:09,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:09,190 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 501 transitions. [2021-10-28 09:16:09,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:09,191 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 501 transitions. [2021-10-28 09:16:09,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-28 09:16:09,192 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:09,192 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:09,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:16:09,193 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:09,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:09,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1470428767, now seen corresponding path program 1 times [2021-10-28 09:16:09,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:09,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218156741] [2021-10-28 09:16:09,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:09,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:09,226 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:16:09,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:09,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218156741] [2021-10-28 09:16:09,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218156741] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:09,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:09,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:09,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305345105] [2021-10-28 09:16:09,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:09,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:09,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:09,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:09,230 INFO L87 Difference]: Start difference. First operand 295 states and 501 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:09,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:09,339 INFO L93 Difference]: Finished difference Result 584 states and 992 transitions. [2021-10-28 09:16:09,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:09,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-10-28 09:16:09,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:09,347 INFO L225 Difference]: With dead ends: 584 [2021-10-28 09:16:09,347 INFO L226 Difference]: Without dead ends: 297 [2021-10-28 09:16:09,348 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:09,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-10-28 09:16:09,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 295. [2021-10-28 09:16:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 294 states have (on average 1.6904761904761905) internal successors, (497), 294 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:09,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 497 transitions. [2021-10-28 09:16:09,360 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 497 transitions. Word has length 85 [2021-10-28 09:16:09,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:09,362 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 497 transitions. [2021-10-28 09:16:09,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:09,362 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 497 transitions. [2021-10-28 09:16:09,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-28 09:16:09,369 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:09,369 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:09,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:16:09,370 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:09,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:09,370 INFO L85 PathProgramCache]: Analyzing trace with hash -564791579, now seen corresponding path program 1 times [2021-10-28 09:16:09,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:09,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593142464] [2021-10-28 09:16:09,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:09,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:09,445 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:16:09,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:09,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593142464] [2021-10-28 09:16:09,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593142464] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:09,447 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:09,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:09,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024765772] [2021-10-28 09:16:09,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:09,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:09,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:09,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:09,449 INFO L87 Difference]: Start difference. First operand 295 states and 497 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:09,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:09,620 INFO L93 Difference]: Finished difference Result 586 states and 987 transitions. [2021-10-28 09:16:09,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:09,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-10-28 09:16:09,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:09,624 INFO L225 Difference]: With dead ends: 586 [2021-10-28 09:16:09,624 INFO L226 Difference]: Without dead ends: 297 [2021-10-28 09:16:09,625 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:09,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-10-28 09:16:09,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 293. [2021-10-28 09:16:09,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 292 states have (on average 1.6849315068493151) internal successors, (492), 292 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:09,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 492 transitions. [2021-10-28 09:16:09,637 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 492 transitions. Word has length 85 [2021-10-28 09:16:09,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:09,637 INFO L470 AbstractCegarLoop]: Abstraction has 293 states and 492 transitions. [2021-10-28 09:16:09,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:09,638 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 492 transitions. [2021-10-28 09:16:09,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-10-28 09:16:09,639 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:09,639 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:09,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:16:09,640 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:09,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:09,640 INFO L85 PathProgramCache]: Analyzing trace with hash -378579321, now seen corresponding path program 1 times [2021-10-28 09:16:09,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:09,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338482344] [2021-10-28 09:16:09,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:09,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:09,696 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-28 09:16:09,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:09,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338482344] [2021-10-28 09:16:09,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338482344] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:09,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:09,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:09,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922620639] [2021-10-28 09:16:09,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:09,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:09,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:09,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:09,699 INFO L87 Difference]: Start difference. First operand 293 states and 492 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:09,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:09,789 INFO L93 Difference]: Finished difference Result 586 states and 983 transitions. [2021-10-28 09:16:09,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:09,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-10-28 09:16:09,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:09,791 INFO L225 Difference]: With dead ends: 586 [2021-10-28 09:16:09,791 INFO L226 Difference]: Without dead ends: 301 [2021-10-28 09:16:09,792 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:09,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-10-28 09:16:09,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2021-10-28 09:16:09,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 300 states have (on average 1.6566666666666667) internal successors, (497), 300 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:09,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 497 transitions. [2021-10-28 09:16:09,802 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 497 transitions. Word has length 96 [2021-10-28 09:16:09,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:09,802 INFO L470 AbstractCegarLoop]: Abstraction has 301 states and 497 transitions. [2021-10-28 09:16:09,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:09,802 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 497 transitions. [2021-10-28 09:16:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-10-28 09:16:09,804 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:09,804 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 09:16:09,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:16:09,804 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:09,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:09,805 INFO L85 PathProgramCache]: Analyzing trace with hash 183697243, now seen corresponding path program 1 times [2021-10-28 09:16:09,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:09,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740384967] [2021-10-28 09:16:09,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:09,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:09,841 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:16:09,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:09,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740384967] [2021-10-28 09:16:09,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740384967] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:09,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:09,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:09,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048698347] [2021-10-28 09:16:09,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:09,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:09,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:09,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:09,843 INFO L87 Difference]: Start difference. First operand 301 states and 497 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:09,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:09,964 INFO L93 Difference]: Finished difference Result 625 states and 1035 transitions. [2021-10-28 09:16:09,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:09,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-10-28 09:16:09,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:09,967 INFO L225 Difference]: With dead ends: 625 [2021-10-28 09:16:09,967 INFO L226 Difference]: Without dead ends: 332 [2021-10-28 09:16:09,968 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:09,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-10-28 09:16:09,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 330. [2021-10-28 09:16:09,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 329 states have (on average 1.6534954407294833) internal successors, (544), 329 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:09,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 544 transitions. [2021-10-28 09:16:09,980 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 544 transitions. Word has length 98 [2021-10-28 09:16:09,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:09,980 INFO L470 AbstractCegarLoop]: Abstraction has 330 states and 544 transitions. [2021-10-28 09:16:09,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:09,981 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 544 transitions. [2021-10-28 09:16:09,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-28 09:16:09,982 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:09,982 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:09,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:16:09,982 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:09,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:09,983 INFO L85 PathProgramCache]: Analyzing trace with hash 156444990, now seen corresponding path program 1 times [2021-10-28 09:16:09,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:09,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761677168] [2021-10-28 09:16:09,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:09,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:10,013 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:16:10,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:10,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761677168] [2021-10-28 09:16:10,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761677168] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:10,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:10,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:10,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261375905] [2021-10-28 09:16:10,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:10,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:10,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:10,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:10,016 INFO L87 Difference]: Start difference. First operand 330 states and 544 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:10,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:10,136 INFO L93 Difference]: Finished difference Result 686 states and 1135 transitions. [2021-10-28 09:16:10,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:10,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 99 [2021-10-28 09:16:10,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:10,139 INFO L225 Difference]: With dead ends: 686 [2021-10-28 09:16:10,139 INFO L226 Difference]: Without dead ends: 364 [2021-10-28 09:16:10,140 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:10,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-10-28 09:16:10,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2021-10-28 09:16:10,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 356 states have (on average 1.646067415730337) internal successors, (586), 356 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:10,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 586 transitions. [2021-10-28 09:16:10,154 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 586 transitions. Word has length 99 [2021-10-28 09:16:10,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:10,154 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 586 transitions. [2021-10-28 09:16:10,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:10,155 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 586 transitions. [2021-10-28 09:16:10,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-28 09:16:10,156 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:10,156 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 09:16:10,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 09:16:10,157 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:10,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:10,157 INFO L85 PathProgramCache]: Analyzing trace with hash -2130209566, now seen corresponding path program 1 times [2021-10-28 09:16:10,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:10,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692328708] [2021-10-28 09:16:10,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:10,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:10,186 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:16:10,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:10,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692328708] [2021-10-28 09:16:10,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692328708] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:10,187 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:10,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:10,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323572665] [2021-10-28 09:16:10,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:10,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:10,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:10,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:10,189 INFO L87 Difference]: Start difference. First operand 357 states and 586 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:10,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:10,309 INFO L93 Difference]: Finished difference Result 708 states and 1162 transitions. [2021-10-28 09:16:10,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:10,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 99 [2021-10-28 09:16:10,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:10,311 INFO L225 Difference]: With dead ends: 708 [2021-10-28 09:16:10,311 INFO L226 Difference]: Without dead ends: 359 [2021-10-28 09:16:10,312 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:10,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2021-10-28 09:16:10,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 357. [2021-10-28 09:16:10,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 356 states have (on average 1.6348314606741574) internal successors, (582), 356 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:10,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 582 transitions. [2021-10-28 09:16:10,354 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 582 transitions. Word has length 99 [2021-10-28 09:16:10,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:10,354 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 582 transitions. [2021-10-28 09:16:10,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:10,354 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 582 transitions. [2021-10-28 09:16:10,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-10-28 09:16:10,356 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:10,356 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:10,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 09:16:10,357 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:10,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:10,357 INFO L85 PathProgramCache]: Analyzing trace with hash -417318601, now seen corresponding path program 1 times [2021-10-28 09:16:10,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:10,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506170863] [2021-10-28 09:16:10,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:10,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:10,387 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:16:10,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:10,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506170863] [2021-10-28 09:16:10,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506170863] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:10,388 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:10,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:10,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951825536] [2021-10-28 09:16:10,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:10,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:10,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:10,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:10,390 INFO L87 Difference]: Start difference. First operand 357 states and 582 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:10,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:10,533 INFO L93 Difference]: Finished difference Result 713 states and 1164 transitions. [2021-10-28 09:16:10,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:10,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-10-28 09:16:10,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:10,536 INFO L225 Difference]: With dead ends: 713 [2021-10-28 09:16:10,536 INFO L226 Difference]: Without dead ends: 364 [2021-10-28 09:16:10,537 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:10,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-10-28 09:16:10,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2021-10-28 09:16:10,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 356 states have (on average 1.6207865168539326) internal successors, (577), 356 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:10,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 577 transitions. [2021-10-28 09:16:10,553 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 577 transitions. Word has length 100 [2021-10-28 09:16:10,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:10,553 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 577 transitions. [2021-10-28 09:16:10,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:10,554 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 577 transitions. [2021-10-28 09:16:10,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-28 09:16:10,555 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:10,556 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 09:16:10,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 09:16:10,556 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:10,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:10,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1321281040, now seen corresponding path program 1 times [2021-10-28 09:16:10,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:10,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390797558] [2021-10-28 09:16:10,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:10,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:10,590 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-28 09:16:10,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:10,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390797558] [2021-10-28 09:16:10,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390797558] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:10,591 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:10,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:10,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044300409] [2021-10-28 09:16:10,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:10,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:10,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:10,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:10,593 INFO L87 Difference]: Start difference. First operand 357 states and 577 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:10,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:10,718 INFO L93 Difference]: Finished difference Result 731 states and 1183 transitions. [2021-10-28 09:16:10,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:10,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-10-28 09:16:10,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:10,721 INFO L225 Difference]: With dead ends: 731 [2021-10-28 09:16:10,721 INFO L226 Difference]: Without dead ends: 382 [2021-10-28 09:16:10,722 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:10,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-10-28 09:16:10,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2021-10-28 09:16:10,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 377 states have (on average 1.6074270557029178) internal successors, (606), 377 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:10,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 606 transitions. [2021-10-28 09:16:10,737 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 606 transitions. Word has length 105 [2021-10-28 09:16:10,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:10,737 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 606 transitions. [2021-10-28 09:16:10,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:10,738 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 606 transitions. [2021-10-28 09:16:10,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-28 09:16:10,739 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:10,739 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 09:16:10,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 09:16:10,740 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:10,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:10,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1276596489, now seen corresponding path program 1 times [2021-10-28 09:16:10,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:10,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938971407] [2021-10-28 09:16:10,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:10,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:10,769 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-28 09:16:10,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:10,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938971407] [2021-10-28 09:16:10,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938971407] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:10,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:10,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:10,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011899299] [2021-10-28 09:16:10,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:10,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:10,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:10,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:10,771 INFO L87 Difference]: Start difference. First operand 378 states and 606 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:10,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:10,886 INFO L93 Difference]: Finished difference Result 752 states and 1206 transitions. [2021-10-28 09:16:10,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:10,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-10-28 09:16:10,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:10,889 INFO L225 Difference]: With dead ends: 752 [2021-10-28 09:16:10,889 INFO L226 Difference]: Without dead ends: 382 [2021-10-28 09:16:10,890 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:10,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-10-28 09:16:10,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2021-10-28 09:16:10,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 377 states have (on average 1.5915119363395225) internal successors, (600), 377 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:10,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 600 transitions. [2021-10-28 09:16:10,906 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 600 transitions. Word has length 106 [2021-10-28 09:16:10,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:10,907 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 600 transitions. [2021-10-28 09:16:10,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:10,907 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 600 transitions. [2021-10-28 09:16:10,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-28 09:16:10,909 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:10,909 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:10,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 09:16:10,910 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:10,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:10,910 INFO L85 PathProgramCache]: Analyzing trace with hash -687746511, now seen corresponding path program 1 times [2021-10-28 09:16:10,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:10,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11590498] [2021-10-28 09:16:10,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:10,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:10,948 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 09:16:10,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:10,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11590498] [2021-10-28 09:16:10,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11590498] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:10,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:10,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:10,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70279675] [2021-10-28 09:16:10,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:10,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:10,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:10,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:10,950 INFO L87 Difference]: Start difference. First operand 378 states and 600 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:11,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:11,022 INFO L93 Difference]: Finished difference Result 1072 states and 1706 transitions. [2021-10-28 09:16:11,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:11,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-10-28 09:16:11,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:11,028 INFO L225 Difference]: With dead ends: 1072 [2021-10-28 09:16:11,028 INFO L226 Difference]: Without dead ends: 702 [2021-10-28 09:16:11,029 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:11,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2021-10-28 09:16:11,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2021-10-28 09:16:11,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 701 states have (on average 1.587731811697575) internal successors, (1113), 701 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:11,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1113 transitions. [2021-10-28 09:16:11,063 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1113 transitions. Word has length 121 [2021-10-28 09:16:11,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:11,064 INFO L470 AbstractCegarLoop]: Abstraction has 702 states and 1113 transitions. [2021-10-28 09:16:11,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:11,064 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1113 transitions. [2021-10-28 09:16:11,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-28 09:16:11,067 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:11,067 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:11,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 09:16:11,068 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:11,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:11,068 INFO L85 PathProgramCache]: Analyzing trace with hash 209646767, now seen corresponding path program 1 times [2021-10-28 09:16:11,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:11,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549173299] [2021-10-28 09:16:11,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:11,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:11,109 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-10-28 09:16:11,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:11,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549173299] [2021-10-28 09:16:11,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549173299] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:11,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:11,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:11,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991699776] [2021-10-28 09:16:11,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:11,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:11,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:11,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:11,112 INFO L87 Difference]: Start difference. First operand 702 states and 1113 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:11,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:11,169 INFO L93 Difference]: Finished difference Result 1072 states and 1701 transitions. [2021-10-28 09:16:11,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:11,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-10-28 09:16:11,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:11,177 INFO L225 Difference]: With dead ends: 1072 [2021-10-28 09:16:11,177 INFO L226 Difference]: Without dead ends: 1070 [2021-10-28 09:16:11,178 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:11,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2021-10-28 09:16:11,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1070. [2021-10-28 09:16:11,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 1069 states have (on average 1.5893358278765202) internal successors, (1699), 1069 states have internal predecessors, (1699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:11,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1699 transitions. [2021-10-28 09:16:11,228 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1699 transitions. Word has length 121 [2021-10-28 09:16:11,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:11,228 INFO L470 AbstractCegarLoop]: Abstraction has 1070 states and 1699 transitions. [2021-10-28 09:16:11,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:11,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1699 transitions. [2021-10-28 09:16:11,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-28 09:16:11,231 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:11,232 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 09:16:11,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 09:16:11,232 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:11,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:11,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1473242480, now seen corresponding path program 1 times [2021-10-28 09:16:11,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:11,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569446639] [2021-10-28 09:16:11,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:11,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:11,243 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 09:16:11,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1802237010] [2021-10-28 09:16:11,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:11,243 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:16:11,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:16:11,247 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:16:11,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:16:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:11,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:16:11,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:16:11,787 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-28 09:16:11,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:11,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569446639] [2021-10-28 09:16:11,788 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 09:16:11,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802237010] [2021-10-28 09:16:11,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802237010] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:11,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:11,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:11,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285419654] [2021-10-28 09:16:11,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:11,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:11,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:11,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:11,790 INFO L87 Difference]: Start difference. First operand 1070 states and 1699 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:11,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:11,854 INFO L93 Difference]: Finished difference Result 2500 states and 3972 transitions. [2021-10-28 09:16:11,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:11,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-10-28 09:16:11,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:11,863 INFO L225 Difference]: With dead ends: 2500 [2021-10-28 09:16:11,863 INFO L226 Difference]: Without dead ends: 1438 [2021-10-28 09:16:11,867 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:11,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2021-10-28 09:16:11,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1438. [2021-10-28 09:16:11,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1438 states, 1437 states have (on average 1.5880306193458595) internal successors, (2282), 1437 states have internal predecessors, (2282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:11,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2282 transitions. [2021-10-28 09:16:11,969 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2282 transitions. Word has length 122 [2021-10-28 09:16:11,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:11,969 INFO L470 AbstractCegarLoop]: Abstraction has 1438 states and 2282 transitions. [2021-10-28 09:16:11,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:11,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2282 transitions. [2021-10-28 09:16:11,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-10-28 09:16:11,974 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:11,974 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:12,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-28 09:16:12,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-28 09:16:12,187 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:12,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:12,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1161393041, now seen corresponding path program 1 times [2021-10-28 09:16:12,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:12,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178488478] [2021-10-28 09:16:12,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:12,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:12,204 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 09:16:12,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1268091649] [2021-10-28 09:16:12,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:12,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:16:12,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:16:12,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:16:12,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 09:16:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:12,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:16:12,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:16:12,655 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-28 09:16:12,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:12,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178488478] [2021-10-28 09:16:12,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 09:16:12,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268091649] [2021-10-28 09:16:12,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268091649] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:12,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:12,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:12,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897535399] [2021-10-28 09:16:12,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:12,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:12,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:12,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:12,658 INFO L87 Difference]: Start difference. First operand 1438 states and 2282 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:12,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:12,743 INFO L93 Difference]: Finished difference Result 2868 states and 4555 transitions. [2021-10-28 09:16:12,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:12,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138 [2021-10-28 09:16:12,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:12,754 INFO L225 Difference]: With dead ends: 2868 [2021-10-28 09:16:12,755 INFO L226 Difference]: Without dead ends: 1806 [2021-10-28 09:16:12,756 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:12,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2021-10-28 09:16:12,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1806. [2021-10-28 09:16:12,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1806 states, 1805 states have (on average 1.5878116343490305) internal successors, (2866), 1805 states have internal predecessors, (2866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:12,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2866 transitions. [2021-10-28 09:16:12,839 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2866 transitions. Word has length 138 [2021-10-28 09:16:12,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:12,839 INFO L470 AbstractCegarLoop]: Abstraction has 1806 states and 2866 transitions. [2021-10-28 09:16:12,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:12,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2866 transitions. [2021-10-28 09:16:12,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-10-28 09:16:12,845 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:12,845 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:12,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:16:13,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-28 09:16:13,072 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:13,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:13,072 INFO L85 PathProgramCache]: Analyzing trace with hash 230274424, now seen corresponding path program 1 times [2021-10-28 09:16:13,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:13,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633209539] [2021-10-28 09:16:13,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:13,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:13,085 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 09:16:13,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [846286844] [2021-10-28 09:16:13,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:13,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:16:13,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:16:13,087 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:16:13,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 09:16:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:13,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:16:13,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:16:13,832 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-10-28 09:16:13,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:13,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633209539] [2021-10-28 09:16:13,833 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 09:16:13,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846286844] [2021-10-28 09:16:13,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846286844] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:13,833 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:13,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:13,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232321337] [2021-10-28 09:16:13,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:13,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:13,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:13,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:13,836 INFO L87 Difference]: Start difference. First operand 1806 states and 2866 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:14,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:14,027 INFO L93 Difference]: Finished difference Result 3649 states and 5775 transitions. [2021-10-28 09:16:14,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:14,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 199 [2021-10-28 09:16:14,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:14,038 INFO L225 Difference]: With dead ends: 3649 [2021-10-28 09:16:14,039 INFO L226 Difference]: Without dead ends: 1851 [2021-10-28 09:16:14,042 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:14,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2021-10-28 09:16:14,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1806. [2021-10-28 09:16:14,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1806 states, 1805 states have (on average 1.5479224376731302) internal successors, (2794), 1805 states have internal predecessors, (2794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:14,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2794 transitions. [2021-10-28 09:16:14,126 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2794 transitions. Word has length 199 [2021-10-28 09:16:14,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:14,127 INFO L470 AbstractCegarLoop]: Abstraction has 1806 states and 2794 transitions. [2021-10-28 09:16:14,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:14,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2794 transitions. [2021-10-28 09:16:14,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-10-28 09:16:14,135 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:14,136 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:14,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:16:14,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:16:14,352 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:14,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:14,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1368505586, now seen corresponding path program 1 times [2021-10-28 09:16:14,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:14,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863986783] [2021-10-28 09:16:14,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:14,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:14,405 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-10-28 09:16:14,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:14,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863986783] [2021-10-28 09:16:14,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863986783] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:14,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:14,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:14,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671783568] [2021-10-28 09:16:14,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:14,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:14,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:14,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:14,408 INFO L87 Difference]: Start difference. First operand 1806 states and 2794 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:14,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:14,618 INFO L93 Difference]: Finished difference Result 3666 states and 5648 transitions. [2021-10-28 09:16:14,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:14,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 212 [2021-10-28 09:16:14,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:14,629 INFO L225 Difference]: With dead ends: 3666 [2021-10-28 09:16:14,629 INFO L226 Difference]: Without dead ends: 1868 [2021-10-28 09:16:14,632 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:14,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1868 states. [2021-10-28 09:16:14,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1868 to 1806. [2021-10-28 09:16:14,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1806 states, 1805 states have (on average 1.5047091412742382) internal successors, (2716), 1805 states have internal predecessors, (2716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2716 transitions. [2021-10-28 09:16:14,709 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2716 transitions. Word has length 212 [2021-10-28 09:16:14,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:14,709 INFO L470 AbstractCegarLoop]: Abstraction has 1806 states and 2716 transitions. [2021-10-28 09:16:14,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:14,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2716 transitions. [2021-10-28 09:16:14,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-10-28 09:16:14,716 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:14,717 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:14,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 09:16:14,717 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:14,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:14,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1759452965, now seen corresponding path program 1 times [2021-10-28 09:16:14,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:14,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667536647] [2021-10-28 09:16:14,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:14,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:14,755 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 09:16:14,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [735112358] [2021-10-28 09:16:14,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:14,756 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:16:14,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:16:14,760 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:16:14,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 09:16:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:14,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:16:15,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:16:15,477 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-28 09:16:15,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:15,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667536647] [2021-10-28 09:16:15,478 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 09:16:15,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735112358] [2021-10-28 09:16:15,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735112358] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:15,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:15,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:15,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107271163] [2021-10-28 09:16:15,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:15,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:15,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:15,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:15,482 INFO L87 Difference]: Start difference. First operand 1806 states and 2716 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:15,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:15,691 INFO L93 Difference]: Finished difference Result 3844 states and 5780 transitions. [2021-10-28 09:16:15,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:15,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 241 [2021-10-28 09:16:15,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:15,703 INFO L225 Difference]: With dead ends: 3844 [2021-10-28 09:16:15,703 INFO L226 Difference]: Without dead ends: 1921 [2021-10-28 09:16:15,706 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:15,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2021-10-28 09:16:15,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2021-10-28 09:16:15,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1876 states, 1875 states have (on average 1.4778666666666667) internal successors, (2771), 1875 states have internal predecessors, (2771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:15,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2771 transitions. [2021-10-28 09:16:15,794 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2771 transitions. Word has length 241 [2021-10-28 09:16:15,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:15,795 INFO L470 AbstractCegarLoop]: Abstraction has 1876 states and 2771 transitions. [2021-10-28 09:16:15,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:15,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2771 transitions. [2021-10-28 09:16:15,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-10-28 09:16:15,802 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:15,802 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:15,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:16:16,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:16:16,015 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:16,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:16,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1825507112, now seen corresponding path program 1 times [2021-10-28 09:16:16,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:16,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323251386] [2021-10-28 09:16:16,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:16,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:16,039 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 09:16:16,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1287274726] [2021-10-28 09:16:16,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:16,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:16:16,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:16:16,042 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:16:16,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 09:16:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:16,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:16:16,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:16:16,817 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-10-28 09:16:16,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:16,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323251386] [2021-10-28 09:16:16,817 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 09:16:16,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287274726] [2021-10-28 09:16:16,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287274726] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:16,818 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:16,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:16,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670959790] [2021-10-28 09:16:16,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:16,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:16,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:16,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:16,820 INFO L87 Difference]: Start difference. First operand 1876 states and 2771 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:17,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:17,039 INFO L93 Difference]: Finished difference Result 3789 states and 5585 transitions. [2021-10-28 09:16:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:17,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 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 255 [2021-10-28 09:16:17,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:17,053 INFO L225 Difference]: With dead ends: 3789 [2021-10-28 09:16:17,053 INFO L226 Difference]: Without dead ends: 1921 [2021-10-28 09:16:17,055 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:17,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2021-10-28 09:16:17,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2021-10-28 09:16:17,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1876 states, 1875 states have (on average 1.4405333333333334) internal successors, (2701), 1875 states have internal predecessors, (2701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2701 transitions. [2021-10-28 09:16:17,139 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2701 transitions. Word has length 255 [2021-10-28 09:16:17,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:17,140 INFO L470 AbstractCegarLoop]: Abstraction has 1876 states and 2701 transitions. [2021-10-28 09:16:17,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:17,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2701 transitions. [2021-10-28 09:16:17,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-10-28 09:16:17,147 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:17,147 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:17,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:16:17,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:16:17,362 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:17,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:17,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1622703552, now seen corresponding path program 1 times [2021-10-28 09:16:17,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:17,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177478537] [2021-10-28 09:16:17,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:17,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:17,377 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 09:16:17,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2123116214] [2021-10-28 09:16:17,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:17,378 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:16:17,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:16:17,379 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:16:17,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 09:16:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:17,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:16:17,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:16:18,395 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-28 09:16:18,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:18,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177478537] [2021-10-28 09:16:18,395 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 09:16:18,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123116214] [2021-10-28 09:16:18,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123116214] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:18,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:18,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:18,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227183348] [2021-10-28 09:16:18,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:18,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:18,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:18,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:18,397 INFO L87 Difference]: Start difference. First operand 1876 states and 2701 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:18,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:18,548 INFO L93 Difference]: Finished difference Result 5592 states and 8059 transitions. [2021-10-28 09:16:18,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:18,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 269 [2021-10-28 09:16:18,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:18,569 INFO L225 Difference]: With dead ends: 5592 [2021-10-28 09:16:18,569 INFO L226 Difference]: Without dead ends: 3724 [2021-10-28 09:16:18,572 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:18,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2021-10-28 09:16:18,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3722. [2021-10-28 09:16:18,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3722 states, 3721 states have (on average 1.4388605213652244) internal successors, (5354), 3721 states have internal predecessors, (5354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:18,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 5354 transitions. [2021-10-28 09:16:18,727 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 5354 transitions. Word has length 269 [2021-10-28 09:16:18,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:18,727 INFO L470 AbstractCegarLoop]: Abstraction has 3722 states and 5354 transitions. [2021-10-28 09:16:18,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:18,728 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 5354 transitions. [2021-10-28 09:16:18,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-10-28 09:16:18,740 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:18,740 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:18,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:16:18,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-10-28 09:16:18,964 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:18,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:18,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1812515673, now seen corresponding path program 1 times [2021-10-28 09:16:18,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:18,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474027763] [2021-10-28 09:16:18,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:18,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:19,023 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2021-10-28 09:16:19,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:19,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474027763] [2021-10-28 09:16:19,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474027763] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:19,024 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:19,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:19,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145790636] [2021-10-28 09:16:19,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:19,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:19,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:19,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:19,026 INFO L87 Difference]: Start difference. First operand 3722 states and 5354 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:19,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:19,264 INFO L93 Difference]: Finished difference Result 7581 states and 10901 transitions. [2021-10-28 09:16:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:19,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 307 [2021-10-28 09:16:19,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:19,286 INFO L225 Difference]: With dead ends: 7581 [2021-10-28 09:16:19,286 INFO L226 Difference]: Without dead ends: 3867 [2021-10-28 09:16:19,290 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:19,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2021-10-28 09:16:19,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3837. [2021-10-28 09:16:19,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3837 states, 3836 states have (on average 1.432221063607925) internal successors, (5494), 3836 states have internal predecessors, (5494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:19,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 5494 transitions. [2021-10-28 09:16:19,432 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 5494 transitions. Word has length 307 [2021-10-28 09:16:19,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:19,433 INFO L470 AbstractCegarLoop]: Abstraction has 3837 states and 5494 transitions. [2021-10-28 09:16:19,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:19,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 5494 transitions. [2021-10-28 09:16:19,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-10-28 09:16:19,445 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:19,445 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:19,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-28 09:16:19,446 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:19,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:19,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1267987889, now seen corresponding path program 1 times [2021-10-28 09:16:19,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:19,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870521343] [2021-10-28 09:16:19,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:19,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:19,465 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 09:16:19,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [75396503] [2021-10-28 09:16:19,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:19,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:16:19,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:16:19,467 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:16:19,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 09:16:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:19,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:16:19,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:16:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2021-10-28 09:16:20,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:20,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870521343] [2021-10-28 09:16:20,654 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 09:16:20,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75396503] [2021-10-28 09:16:20,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75396503] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:20,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:20,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:20,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842827249] [2021-10-28 09:16:20,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:20,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:20,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:20,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:20,656 INFO L87 Difference]: Start difference. First operand 3837 states and 5494 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:20,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:20,877 INFO L93 Difference]: Finished difference Result 7666 states and 10976 transitions. [2021-10-28 09:16:20,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:20,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 320 [2021-10-28 09:16:20,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:20,884 INFO L225 Difference]: With dead ends: 7666 [2021-10-28 09:16:20,885 INFO L226 Difference]: Without dead ends: 2264 [2021-10-28 09:16:20,890 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:20,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2264 states. [2021-10-28 09:16:20,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2264 to 2264. [2021-10-28 09:16:20,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2264 states, 2263 states have (on average 1.4069818824569156) internal successors, (3184), 2263 states have internal predecessors, (3184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:20,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 3184 transitions. [2021-10-28 09:16:20,976 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 3184 transitions. Word has length 320 [2021-10-28 09:16:20,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:20,976 INFO L470 AbstractCegarLoop]: Abstraction has 2264 states and 3184 transitions. [2021-10-28 09:16:20,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:20,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 3184 transitions. [2021-10-28 09:16:20,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-10-28 09:16:20,982 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:20,982 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:21,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:16:21,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-10-28 09:16:21,195 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:21,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:21,196 INFO L85 PathProgramCache]: Analyzing trace with hash 493001237, now seen corresponding path program 1 times [2021-10-28 09:16:21,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:21,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70882036] [2021-10-28 09:16:21,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:21,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:21,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2021-10-28 09:16:21,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:21,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70882036] [2021-10-28 09:16:21,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70882036] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:21,249 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:21,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:21,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029198634] [2021-10-28 09:16:21,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:21,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:21,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:21,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:21,251 INFO L87 Difference]: Start difference. First operand 2264 states and 3184 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:21,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:21,409 INFO L93 Difference]: Finished difference Result 4742 states and 6692 transitions. [2021-10-28 09:16:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:21,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 327 [2021-10-28 09:16:21,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:21,416 INFO L225 Difference]: With dead ends: 4742 [2021-10-28 09:16:21,416 INFO L226 Difference]: Without dead ends: 2486 [2021-10-28 09:16:21,419 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:21,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2021-10-28 09:16:21,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 2414. [2021-10-28 09:16:21,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2413 states have (on average 1.3941152092830502) internal successors, (3364), 2413 states have internal predecessors, (3364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:21,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3364 transitions. [2021-10-28 09:16:21,526 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3364 transitions. Word has length 327 [2021-10-28 09:16:21,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:21,526 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 3364 transitions. [2021-10-28 09:16:21,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:21,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3364 transitions. [2021-10-28 09:16:21,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-10-28 09:16:21,533 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:21,533 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:21,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-28 09:16:21,534 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:21,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:21,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1757399063, now seen corresponding path program 1 times [2021-10-28 09:16:21,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:21,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290185253] [2021-10-28 09:16:21,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:21,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:21,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 587 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2021-10-28 09:16:21,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:21,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290185253] [2021-10-28 09:16:21,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290185253] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:21,590 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:21,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:21,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307775247] [2021-10-28 09:16:21,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:21,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:21,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:21,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:21,592 INFO L87 Difference]: Start difference. First operand 2414 states and 3364 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:21,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:21,755 INFO L93 Difference]: Finished difference Result 4862 states and 6788 transitions. [2021-10-28 09:16:21,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:21,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 353 [2021-10-28 09:16:21,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:21,761 INFO L225 Difference]: With dead ends: 4862 [2021-10-28 09:16:21,762 INFO L226 Difference]: Without dead ends: 2456 [2021-10-28 09:16:21,765 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:21,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2021-10-28 09:16:21,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2414. [2021-10-28 09:16:21,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2413 states have (on average 1.3742229589722337) internal successors, (3316), 2413 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:21,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3316 transitions. [2021-10-28 09:16:21,853 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3316 transitions. Word has length 353 [2021-10-28 09:16:21,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:21,853 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 3316 transitions. [2021-10-28 09:16:21,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:21,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3316 transitions. [2021-10-28 09:16:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-10-28 09:16:21,860 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:21,862 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:21,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-28 09:16:21,862 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:21,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:21,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1876884711, now seen corresponding path program 1 times [2021-10-28 09:16:21,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:21,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921961498] [2021-10-28 09:16:21,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:21,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:21,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-10-28 09:16:21,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:21,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921961498] [2021-10-28 09:16:21,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921961498] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:16:21,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740247608] [2021-10-28 09:16:21,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:21,944 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:16:21,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:16:21,948 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:16:21,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 09:16:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:22,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:16:22,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:16:23,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-10-28 09:16:23,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740247608] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:16:23,355 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:16:23,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 09:16:23,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550368485] [2021-10-28 09:16:23,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:16:23,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:23,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:16:23,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:16:23,359 INFO L87 Difference]: Start difference. First operand 2414 states and 3316 transitions. Second operand has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:23,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:23,760 INFO L93 Difference]: Finished difference Result 7028 states and 9640 transitions. [2021-10-28 09:16:23,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:16:23,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 0 states have call successors, (0), 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 370 [2021-10-28 09:16:23,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:23,772 INFO L225 Difference]: With dead ends: 7028 [2021-10-28 09:16:23,772 INFO L226 Difference]: Without dead ends: 4476 [2021-10-28 09:16:23,776 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:16:23,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4476 states. [2021-10-28 09:16:23,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4476 to 2486. [2021-10-28 09:16:23,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2486 states, 2485 states have (on average 1.3577464788732394) internal successors, (3374), 2485 states have internal predecessors, (3374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:23,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3374 transitions. [2021-10-28 09:16:23,920 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3374 transitions. Word has length 370 [2021-10-28 09:16:23,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:23,920 INFO L470 AbstractCegarLoop]: Abstraction has 2486 states and 3374 transitions. [2021-10-28 09:16:23,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:23,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3374 transitions. [2021-10-28 09:16:23,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2021-10-28 09:16:23,928 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:23,928 INFO L513 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 8, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:23,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:16:24,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-10-28 09:16:24,155 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:24,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:24,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1628763683, now seen corresponding path program 1 times [2021-10-28 09:16:24,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:24,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151797427] [2021-10-28 09:16:24,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:24,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:24,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2015 backedges. 975 proven. 0 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2021-10-28 09:16:24,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:24,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151797427] [2021-10-28 09:16:24,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151797427] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:24,263 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:24,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:24,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546761384] [2021-10-28 09:16:24,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:24,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:24,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:24,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:24,265 INFO L87 Difference]: Start difference. First operand 2486 states and 3374 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:24,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:24,445 INFO L93 Difference]: Finished difference Result 4976 states and 6748 transitions. [2021-10-28 09:16:24,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:24,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 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 438 [2021-10-28 09:16:24,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:24,452 INFO L225 Difference]: With dead ends: 4976 [2021-10-28 09:16:24,452 INFO L226 Difference]: Without dead ends: 2498 [2021-10-28 09:16:24,456 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:24,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2021-10-28 09:16:24,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2486. [2021-10-28 09:16:24,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2486 states, 2485 states have (on average 1.338430583501006) internal successors, (3326), 2485 states have internal predecessors, (3326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:24,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3326 transitions. [2021-10-28 09:16:24,538 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3326 transitions. Word has length 438 [2021-10-28 09:16:24,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:24,539 INFO L470 AbstractCegarLoop]: Abstraction has 2486 states and 3326 transitions. [2021-10-28 09:16:24,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:24,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3326 transitions. [2021-10-28 09:16:24,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-10-28 09:16:24,547 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:24,548 INFO L513 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:24,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-28 09:16:24,548 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:24,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:24,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1752367566, now seen corresponding path program 1 times [2021-10-28 09:16:24,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:24,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626045259] [2021-10-28 09:16:24,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:24,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:24,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2021-10-28 09:16:24,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:24,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626045259] [2021-10-28 09:16:24,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626045259] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:24,625 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:24,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:24,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285061413] [2021-10-28 09:16:24,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:24,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:24,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:24,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:24,627 INFO L87 Difference]: Start difference. First operand 2486 states and 3326 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:24,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:24,843 INFO L93 Difference]: Finished difference Result 5180 states and 6946 transitions. [2021-10-28 09:16:24,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:24,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 470 [2021-10-28 09:16:24,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:24,850 INFO L225 Difference]: With dead ends: 5180 [2021-10-28 09:16:24,850 INFO L226 Difference]: Without dead ends: 2702 [2021-10-28 09:16:24,853 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:24,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2702 states. [2021-10-28 09:16:24,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2702 to 2690. [2021-10-28 09:16:24,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2690 states, 2689 states have (on average 1.3239122350316104) internal successors, (3560), 2689 states have internal predecessors, (3560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:24,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3560 transitions. [2021-10-28 09:16:24,957 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3560 transitions. Word has length 470 [2021-10-28 09:16:24,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:24,958 INFO L470 AbstractCegarLoop]: Abstraction has 2690 states and 3560 transitions. [2021-10-28 09:16:24,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:24,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3560 transitions. [2021-10-28 09:16:24,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2021-10-28 09:16:24,968 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:24,968 INFO L513 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:24,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-28 09:16:24,969 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:24,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:24,969 INFO L85 PathProgramCache]: Analyzing trace with hash -742298620, now seen corresponding path program 1 times [2021-10-28 09:16:24,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:24,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984560256] [2021-10-28 09:16:24,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:24,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:25,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2021-10-28 09:16:25,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:25,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984560256] [2021-10-28 09:16:25,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984560256] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:25,067 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:25,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:25,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215608121] [2021-10-28 09:16:25,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:25,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:25,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:25,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:25,069 INFO L87 Difference]: Start difference. First operand 2690 states and 3560 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:25,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:25,246 INFO L93 Difference]: Finished difference Result 5600 states and 7438 transitions. [2021-10-28 09:16:25,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:25,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 532 [2021-10-28 09:16:25,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:25,253 INFO L225 Difference]: With dead ends: 5600 [2021-10-28 09:16:25,254 INFO L226 Difference]: Without dead ends: 2918 [2021-10-28 09:16:25,257 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:25,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2918 states. [2021-10-28 09:16:25,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2918 to 2906. [2021-10-28 09:16:25,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2906 states, 2905 states have (on average 1.3101549053356283) internal successors, (3806), 2905 states have internal predecessors, (3806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:25,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2906 states and 3806 transitions. [2021-10-28 09:16:25,343 INFO L78 Accepts]: Start accepts. Automaton has 2906 states and 3806 transitions. Word has length 532 [2021-10-28 09:16:25,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:25,344 INFO L470 AbstractCegarLoop]: Abstraction has 2906 states and 3806 transitions. [2021-10-28 09:16:25,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:25,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 3806 transitions. [2021-10-28 09:16:25,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2021-10-28 09:16:25,352 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:25,352 INFO L513 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:25,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-28 09:16:25,353 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:25,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:25,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1835374162, now seen corresponding path program 1 times [2021-10-28 09:16:25,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:25,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348333674] [2021-10-28 09:16:25,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:25,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:25,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-10-28 09:16:25,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:25,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348333674] [2021-10-28 09:16:25,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348333674] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:16:25,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9131867] [2021-10-28 09:16:25,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:25,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:16:25,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:16:25,506 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:16:25,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-28 09:16:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:26,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:16:26,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:16:27,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-10-28 09:16:27,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9131867] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:16:27,419 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:16:27,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-28 09:16:27,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685347600] [2021-10-28 09:16:27,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:16:27,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:27,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:16:27,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:16:27,422 INFO L87 Difference]: Start difference. First operand 2906 states and 3806 transitions. Second operand has 6 states, 6 states have (on average 45.666666666666664) internal successors, (274), 6 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:27,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:27,619 INFO L93 Difference]: Finished difference Result 4541 states and 5954 transitions. [2021-10-28 09:16:27,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:16:27,619 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 45.666666666666664) internal successors, (274), 6 states have internal predecessors, (274), 0 states have call successors, (0), 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 598 [2021-10-28 09:16:27,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:27,620 INFO L225 Difference]: With dead ends: 4541 [2021-10-28 09:16:27,620 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:16:27,624 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:16:27,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:16:27,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:16:27,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:27,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:16:27,625 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 598 [2021-10-28 09:16:27,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:27,625 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:16:27,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 45.666666666666664) internal successors, (274), 6 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:27,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:16:27,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:16:27,628 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:16:27,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:16:27,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-10-28 09:16:27,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:16:27,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:27,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:27,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:27,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:27,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:27,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:27,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:28,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:33,228 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 667) no Hoare annotation was computed. [2021-10-28 09:16:33,228 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 639) no Hoare annotation was computed. [2021-10-28 09:16:33,229 INFO L857 garLoopResultBuilder]: For program point L663-2(lines 663 667) no Hoare annotation was computed. [2021-10-28 09:16:33,229 INFO L857 garLoopResultBuilder]: For program point L630-2(lines 629 651) no Hoare annotation was computed. [2021-10-28 09:16:33,229 INFO L853 garLoopResultBuilder]: At program point L399(lines 390 421) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 09:16:33,229 INFO L853 garLoopResultBuilder]: At program point L168(lines 167 606) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448))) (or (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse2) (and .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse1 .cse2) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse3 .cse1 .cse2))) [2021-10-28 09:16:33,230 INFO L853 garLoopResultBuilder]: At program point L135(lines 128 619) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse8 .cse9 .cse10))) [2021-10-28 09:16:33,230 INFO L857 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2021-10-28 09:16:33,230 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2021-10-28 09:16:33,230 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 636) no Hoare annotation was computed. [2021-10-28 09:16:33,230 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 407) no Hoare annotation was computed. [2021-10-28 09:16:33,231 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 594) no Hoare annotation was computed. [2021-10-28 09:16:33,231 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 605) no Hoare annotation was computed. [2021-10-28 09:16:33,231 INFO L857 garLoopResultBuilder]: For program point L137(lines 137 616) no Hoare annotation was computed. [2021-10-28 09:16:33,231 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 627) no Hoare annotation was computed. [2021-10-28 09:16:33,231 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 472) no Hoare annotation was computed. [2021-10-28 09:16:33,231 INFO L853 garLoopResultBuilder]: At program point L204(lines 200 595) the Hoare annotation is: (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) [2021-10-28 09:16:33,232 INFO L853 garLoopResultBuilder]: At program point L105(lines 104 627) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) [2021-10-28 09:16:33,232 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 507) no Hoare annotation was computed. [2021-10-28 09:16:33,232 INFO L857 garLoopResultBuilder]: For program point L503-2(lines 211 589) no Hoare annotation was computed. [2021-10-28 09:16:33,232 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 244) no Hoare annotation was computed. [2021-10-28 09:16:33,232 INFO L857 garLoopResultBuilder]: For program point L206(lines 206 593) no Hoare annotation was computed. [2021-10-28 09:16:33,232 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 604) no Hoare annotation was computed. [2021-10-28 09:16:33,233 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 615) no Hoare annotation was computed. [2021-10-28 09:16:33,233 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 626) no Hoare annotation was computed. [2021-10-28 09:16:33,233 INFO L853 garLoopResultBuilder]: At program point L207(lines 206 593) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-10-28 09:16:33,233 INFO L853 garLoopResultBuilder]: At program point L174(lines 170 605) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse9 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse7 .cse8 .cse9 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse11 .cse12 .cse13))) [2021-10-28 09:16:33,234 INFO L853 garLoopResultBuilder]: At program point L141(lines 137 616) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8))) [2021-10-28 09:16:33,234 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 83) no Hoare annotation was computed. [2021-10-28 09:16:33,234 INFO L857 garLoopResultBuilder]: For program point L274(lines 274 278) no Hoare annotation was computed. [2021-10-28 09:16:33,234 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2021-10-28 09:16:33,234 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 211 589) no Hoare annotation was computed. [2021-10-28 09:16:33,234 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 603) no Hoare annotation was computed. [2021-10-28 09:16:33,234 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 614) no Hoare annotation was computed. [2021-10-28 09:16:33,234 INFO L857 garLoopResultBuilder]: For program point L110(lines 110 625) no Hoare annotation was computed. [2021-10-28 09:16:33,235 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 583) no Hoare annotation was computed. [2021-10-28 09:16:33,235 INFO L857 garLoopResultBuilder]: For program point L573-1(lines 573 583) no Hoare annotation was computed. [2021-10-28 09:16:33,235 INFO L857 garLoopResultBuilder]: For program point L441-1(lines 441 453) no Hoare annotation was computed. [2021-10-28 09:16:33,235 INFO L853 garLoopResultBuilder]: At program point L210(lines 209 592) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-10-28 09:16:33,235 INFO L857 garLoopResultBuilder]: For program point L78(lines 78 82) no Hoare annotation was computed. [2021-10-28 09:16:33,235 INFO L857 garLoopResultBuilder]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2021-10-28 09:16:33,235 INFO L853 garLoopResultBuilder]: At program point L409(lines 400 420) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 09:16:33,236 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 347) no Hoare annotation was computed. [2021-10-28 09:16:33,236 INFO L857 garLoopResultBuilder]: For program point L343-2(lines 211 589) no Hoare annotation was computed. [2021-10-28 09:16:33,236 INFO L860 garLoopResultBuilder]: At program point L674(lines 66 676) the Hoare annotation is: true [2021-10-28 09:16:33,236 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 647) no Hoare annotation was computed. [2021-10-28 09:16:33,236 INFO L857 garLoopResultBuilder]: For program point L542(lines 542 547) no Hoare annotation was computed. [2021-10-28 09:16:33,236 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 602) no Hoare annotation was computed. [2021-10-28 09:16:33,236 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 613) no Hoare annotation was computed. [2021-10-28 09:16:33,237 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 624) no Hoare annotation was computed. [2021-10-28 09:16:33,237 INFO L860 garLoopResultBuilder]: At program point L675(lines 11 677) the Hoare annotation is: true [2021-10-28 09:16:33,237 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 580) no Hoare annotation was computed. [2021-10-28 09:16:33,237 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 449) no Hoare annotation was computed. [2021-10-28 09:16:33,237 INFO L853 garLoopResultBuilder]: At program point L180(lines 176 603) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse9 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse7 .cse8 .cse9 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse11 .cse12 .cse13))) [2021-10-28 09:16:33,238 INFO L853 garLoopResultBuilder]: At program point L147(lines 143 614) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse8 .cse9 .cse10))) [2021-10-28 09:16:33,238 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 416) no Hoare annotation was computed. [2021-10-28 09:16:33,238 INFO L853 garLoopResultBuilder]: At program point L214(lines 107 626) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse8 .cse10))) [2021-10-28 09:16:33,238 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 601) no Hoare annotation was computed. [2021-10-28 09:16:33,238 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 612) no Hoare annotation was computed. [2021-10-28 09:16:33,238 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 623) no Hoare annotation was computed. [2021-10-28 09:16:33,238 INFO L857 garLoopResultBuilder]: For program point L513(lines 513 517) no Hoare annotation was computed. [2021-10-28 09:16:33,239 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 484) no Hoare annotation was computed. [2021-10-28 09:16:33,239 INFO L857 garLoopResultBuilder]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2021-10-28 09:16:33,239 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 93) no Hoare annotation was computed. [2021-10-28 09:16:33,239 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 66 676) no Hoare annotation was computed. [2021-10-28 09:16:33,239 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:16:33,239 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 600) no Hoare annotation was computed. [2021-10-28 09:16:33,239 INFO L857 garLoopResultBuilder]: For program point L152(lines 152 611) no Hoare annotation was computed. [2021-10-28 09:16:33,239 INFO L857 garLoopResultBuilder]: For program point L119(lines 119 622) no Hoare annotation was computed. [2021-10-28 09:16:33,240 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-10-28 09:16:33,240 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 382) no Hoare annotation was computed. [2021-10-28 09:16:33,240 INFO L857 garLoopResultBuilder]: For program point L318(lines 318 322) no Hoare annotation was computed. [2021-10-28 09:16:33,240 INFO L857 garLoopResultBuilder]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2021-10-28 09:16:33,240 INFO L857 garLoopResultBuilder]: For program point L219(lines 219 223) no Hoare annotation was computed. [2021-10-28 09:16:33,240 INFO L853 garLoopResultBuilder]: At program point L186(lines 182 601) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse9 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse7 .cse8 .cse9 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse11 .cse12 .cse13))) [2021-10-28 09:16:33,241 INFO L853 garLoopResultBuilder]: At program point L153(lines 149 612) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse8 .cse9 .cse10))) [2021-10-28 09:16:33,241 INFO L857 garLoopResultBuilder]: For program point L219-2(lines 211 589) no Hoare annotation was computed. [2021-10-28 09:16:33,241 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 599) no Hoare annotation was computed. [2021-10-28 09:16:33,241 INFO L857 garLoopResultBuilder]: For program point L155(lines 155 610) no Hoare annotation was computed. [2021-10-28 09:16:33,241 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 621) no Hoare annotation was computed. [2021-10-28 09:16:33,242 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 556) no Hoare annotation was computed. [2021-10-28 09:16:33,242 INFO L857 garLoopResultBuilder]: For program point L354(lines 354 381) no Hoare annotation was computed. [2021-10-28 09:16:33,242 INFO L857 garLoopResultBuilder]: For program point L354-1(lines 354 381) no Hoare annotation was computed. [2021-10-28 09:16:33,242 INFO L853 garLoopResultBuilder]: At program point L123(lines 119 622) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse6 .cse8 .cse9))) [2021-10-28 09:16:33,242 INFO L853 garLoopResultBuilder]: At program point L553(lines 66 676) the Hoare annotation is: false [2021-10-28 09:16:33,242 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 378) no Hoare annotation was computed. [2021-10-28 09:16:33,243 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:16:33,243 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 268) no Hoare annotation was computed. [2021-10-28 09:16:33,243 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 262) no Hoare annotation was computed. [2021-10-28 09:16:33,243 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 598) no Hoare annotation was computed. [2021-10-28 09:16:33,243 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 609) no Hoare annotation was computed. [2021-10-28 09:16:33,243 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 620) no Hoare annotation was computed. [2021-10-28 09:16:33,244 INFO L860 garLoopResultBuilder]: At program point L687(lines 678 689) the Hoare annotation is: true [2021-10-28 09:16:33,244 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 421) no Hoare annotation was computed. [2021-10-28 09:16:33,244 INFO L857 garLoopResultBuilder]: For program point L291(lines 291 295) no Hoare annotation was computed. [2021-10-28 09:16:33,244 INFO L857 garLoopResultBuilder]: For program point L291-2(lines 211 589) no Hoare annotation was computed. [2021-10-28 09:16:33,244 INFO L853 garLoopResultBuilder]: At program point L192(lines 188 599) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse9 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse11 .cse12 .cse13))) [2021-10-28 09:16:33,244 INFO L853 garLoopResultBuilder]: At program point L159(lines 155 610) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 09:16:33,244 INFO L853 garLoopResultBuilder]: At program point L126(lines 125 620) the Hoare annotation is: (and (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) [2021-10-28 09:16:33,244 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 528) no Hoare annotation was computed. [2021-10-28 09:16:33,245 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-28 09:16:33,245 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 377) no Hoare annotation was computed. [2021-10-28 09:16:33,245 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:16:33,245 INFO L853 garLoopResultBuilder]: At program point L590(lines 101 658) the Hoare annotation is: (let ((.cse3 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse12 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse3 .cse11 .cse12) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse0 .cse8) (and .cse1 .cse2 .cse13) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 .cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) [2021-10-28 09:16:33,245 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 561) no Hoare annotation was computed. [2021-10-28 09:16:33,245 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 495) no Hoare annotation was computed. [2021-10-28 09:16:33,245 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2021-10-28 09:16:33,245 INFO L857 garLoopResultBuilder]: For program point L359-2(lines 358 375) no Hoare annotation was computed. [2021-10-28 09:16:33,245 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 597) no Hoare annotation was computed. [2021-10-28 09:16:33,245 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 608) no Hoare annotation was computed. [2021-10-28 09:16:33,245 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 619) no Hoare annotation was computed. [2021-10-28 09:16:33,246 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 463) no Hoare annotation was computed. [2021-10-28 09:16:33,246 INFO L857 garLoopResultBuilder]: For program point L327-1(lines 327 336) no Hoare annotation was computed. [2021-10-28 09:16:33,246 INFO L860 garLoopResultBuilder]: At program point L659(lines 100 660) the Hoare annotation is: true [2021-10-28 09:16:33,246 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 596) no Hoare annotation was computed. [2021-10-28 09:16:33,246 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 607) no Hoare annotation was computed. [2021-10-28 09:16:33,246 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 618) no Hoare annotation was computed. [2021-10-28 09:16:33,247 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:16:33,247 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 670) no Hoare annotation was computed. [2021-10-28 09:16:33,247 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 248) no Hoare annotation was computed. [2021-10-28 09:16:33,247 INFO L853 garLoopResultBuilder]: At program point L198(lines 194 597) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse8 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse7 .cse8 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 09:16:33,247 INFO L853 garLoopResultBuilder]: At program point L165(lines 161 608) the Hoare annotation is: (let ((.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse4 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse7 .cse8 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse9 .cse10 .cse11))) [2021-10-28 09:16:33,248 INFO L857 garLoopResultBuilder]: For program point L231-2(lines 211 589) no Hoare annotation was computed. [2021-10-28 09:16:33,248 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 656) no Hoare annotation was computed. [2021-10-28 09:16:33,248 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 335) no Hoare annotation was computed. [2021-10-28 09:16:33,248 INFO L857 garLoopResultBuilder]: For program point L629(lines 629 653) no Hoare annotation was computed. [2021-10-28 09:16:33,248 INFO L857 garLoopResultBuilder]: For program point L563(lines 563 567) no Hoare annotation was computed. [2021-10-28 09:16:33,248 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 534) no Hoare annotation was computed. [2021-10-28 09:16:33,249 INFO L857 garLoopResultBuilder]: For program point L563-2(lines 563 567) no Hoare annotation was computed. [2021-10-28 09:16:33,249 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 475) no Hoare annotation was computed. [2021-10-28 09:16:33,249 INFO L857 garLoopResultBuilder]: For program point L530-2(lines 211 589) no Hoare annotation was computed. [2021-10-28 09:16:33,249 INFO L857 garLoopResultBuilder]: For program point L431(lines 431 435) no Hoare annotation was computed. [2021-10-28 09:16:33,249 INFO L853 garLoopResultBuilder]: At program point L365(lines 348 383) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse8 .cse9 .cse10))) [2021-10-28 09:16:33,250 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 238) no Hoare annotation was computed. [2021-10-28 09:16:33,250 INFO L857 garLoopResultBuilder]: For program point L200(lines 200 595) no Hoare annotation was computed. [2021-10-28 09:16:33,250 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 606) no Hoare annotation was computed. [2021-10-28 09:16:33,250 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 617) no Hoare annotation was computed. [2021-10-28 09:16:33,250 INFO L853 garLoopResultBuilder]: At program point L101-2(lines 101 658) the Hoare annotation is: (let ((.cse3 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse12 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse3 .cse11 .cse12) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse0 .cse8) (and .cse1 .cse2 .cse13) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 .cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) [2021-10-28 09:16:33,254 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:33,256 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:16:33,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:16:33 BoogieIcfgContainer [2021-10-28 09:16:33,313 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:16:33,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:16:33,314 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:16:33,314 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:16:33,315 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:16:07" (3/4) ... [2021-10-28 09:16:33,318 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:16:33,339 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 09:16:33,340 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:16:33,341 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:16:33,342 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:16:33,458 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:16:33,458 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:16:33,460 INFO L168 Benchmark]: Toolchain (without parser) took 27742.87 ms. Allocated memory was 115.3 MB in the beginning and 364.9 MB in the end (delta: 249.6 MB). Free memory was 92.6 MB in the beginning and 205.3 MB in the end (delta: -112.7 MB). Peak memory consumption was 136.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:16:33,461 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 115.3 MB. Free memory was 72.3 MB in the beginning and 72.2 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:16:33,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.13 ms. Allocated memory is still 115.3 MB. Free memory was 92.6 MB in the beginning and 86.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:16:33,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.99 ms. Allocated memory is still 115.3 MB. Free memory was 86.8 MB in the beginning and 83.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:16:33,462 INFO L168 Benchmark]: Boogie Preprocessor took 76.98 ms. Allocated memory is still 115.3 MB. Free memory was 83.9 MB in the beginning and 81.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:16:33,463 INFO L168 Benchmark]: RCFGBuilder took 844.20 ms. Allocated memory was 115.3 MB in the beginning and 159.4 MB in the end (delta: 44.0 MB). Free memory was 81.9 MB in the beginning and 131.3 MB in the end (delta: -49.5 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:16:33,463 INFO L168 Benchmark]: TraceAbstraction took 26181.83 ms. Allocated memory was 159.4 MB in the beginning and 364.9 MB in the end (delta: 205.5 MB). Free memory was 131.3 MB in the beginning and 217.9 MB in the end (delta: -86.6 MB). Peak memory consumption was 246.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:16:33,464 INFO L168 Benchmark]: Witness Printer took 144.66 ms. Allocated memory is still 364.9 MB. Free memory was 217.9 MB in the beginning and 205.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:16:33,466 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 115.3 MB. Free memory was 72.3 MB in the beginning and 72.2 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 402.13 ms. Allocated memory is still 115.3 MB. Free memory was 92.6 MB in the beginning and 86.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.99 ms. Allocated memory is still 115.3 MB. Free memory was 86.8 MB in the beginning and 83.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.98 ms. Allocated memory is still 115.3 MB. Free memory was 83.9 MB in the beginning and 81.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 844.20 ms. Allocated memory was 115.3 MB in the beginning and 159.4 MB in the end (delta: 44.0 MB). Free memory was 81.9 MB in the beginning and 131.3 MB in the end (delta: -49.5 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 26181.83 ms. Allocated memory was 159.4 MB in the beginning and 364.9 MB in the end (delta: 205.5 MB). Free memory was 131.3 MB in the beginning and 217.9 MB in the end (delta: -86.6 MB). Peak memory consumption was 246.9 MB. Max. memory is 16.1 GB. * Witness Printer took 144.66 ms. Allocated memory is still 364.9 MB. Free memory was 217.9 MB in the beginning and 205.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 670]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.0s, OverallIterations: 32, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5562 SDtfs, 3457 SDslu, 2509 SDs, 0 SdLazy, 3053 SolverSat, 910 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2584 GetRequests, 2546 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3837occurred in iteration=24, InterpolantAutomatonStates: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 32 MinimizatonAttempts, 2417 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 367 NumberOfFragments, 2871 HoareAnnotationTreeSize, 29 FomulaSimplifications, 43280 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 29 FomulaSimplificationsInter, 7373 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 7563 NumberOfCodeBlocks, 7563 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 7529 ConstructedInterpolants, 0 QuantifiedInterpolants, 10294 SizeOfPredicates, 2 NumberOfNonLiveVariables, 4312 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 34 InterpolantComputations, 30 PerfectInterpolantSequences, 25706/25810 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((s__s3__tmp__next_state___0 <= 8576 && 8448 <= s__state) && s__state <= 8448) && blastFlag <= 1) || (((s__s3__tmp__next_state___0 <= 8576 && 2 == blastFlag) && 8448 <= s__state) && s__state <= 8448)) || (((blastFlag <= 3 && !(s__hit == 0)) && 8448 <= s__state) && s__state <= 8448)) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(8560 == s__state)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (8672 <= s__state && blastFlag <= 3) && !(12292 == s__state) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((!(s__state == 8480) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) || (((((((((((((!(s__state == 8480) && !(s__state == 8672)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((!(s__state == 8480) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((blastFlag <= 3 && !(s__hit == 0)) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || ((8672 <= s__state && blastFlag <= 3) && s__state <= 8672)) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 1)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || s__state <= 3 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((blastFlag <= 3 && !(s__hit == 0)) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || ((8672 <= s__state && blastFlag <= 3) && s__state <= 8672)) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 1)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || s__state <= 3 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (((!(s__state == 8673) && !(s__state == 8672)) && 8672 <= s__state) && blastFlag <= 3) && !(s__hit == 0) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((((((!(8497 == s__state) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) || ((((((((((!(8497 == s__state) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((((!(8497 == s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && blastFlag <= 1)) || ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8673)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) RESULT: Ultimate proved your program to be correct! [2021-10-28 09:16:33,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b13aee-a772-4896-a32b-1dd5e146b36c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...