./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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/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_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY --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 9d244be5eb644329c39b09a876d7efbabf6f4ae01381ac861bb651770597cca8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:15:32,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:15:32,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:15:32,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:15:32,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:15:32,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:15:32,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:15:32,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:15:32,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:15:32,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:15:32,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:15:32,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:15:32,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:15:32,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:15:32,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:15:32,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:15:32,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:15:32,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:15:32,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:15:32,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:15:32,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:15:32,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:15:32,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:15:32,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:15:32,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:15:32,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:15:32,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:15:32,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:15:32,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:15:32,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:15:32,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:15:32,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:15:32,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:15:32,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:15:32,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:15:32,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:15:32,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:15:32,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:15:32,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:15:32,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:15:32,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:15:32,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 08:15:32,340 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:15:32,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:15:32,341 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:15:32,341 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:15:32,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:15:32,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:15:32,343 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:15:32,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:15:32,344 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:15:32,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:15:32,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:15:32,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:15:32,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 08:15:32,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:15:32,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 08:15:32,346 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:15:32,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:15:32,346 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:15:32,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 08:15:32,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:15:32,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:15:32,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:15:32,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:15:32,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:15:32,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:15:32,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 08:15:32,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:15:32,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 08:15:32,349 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 08:15:32,350 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 08:15:32,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 08:15:32,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:15:32,351 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_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d244be5eb644329c39b09a876d7efbabf6f4ae01381ac861bb651770597cca8 [2021-11-07 08:15:32,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:15:32,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:15:32,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:15:32,758 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:15:32,759 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:15:32,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2021-11-07 08:15:32,894 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/data/9253d9803/0f24d99aec1f41a8a2bfb28ecfb014d1/FLAG430761141 [2021-11-07 08:15:33,411 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:15:33,411 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2021-11-07 08:15:33,424 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/data/9253d9803/0f24d99aec1f41a8a2bfb28ecfb014d1/FLAG430761141 [2021-11-07 08:15:33,780 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/data/9253d9803/0f24d99aec1f41a8a2bfb28ecfb014d1 [2021-11-07 08:15:33,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:15:33,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:15:33,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:15:33,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:15:33,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:15:33,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:15:33" (1/1) ... [2021-11-07 08:15:33,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d537ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:33, skipping insertion in model container [2021-11-07 08:15:33,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:15:33" (1/1) ... [2021-11-07 08:15:33,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:15:33,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:15:34,150 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_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44603,44616] [2021-11-07 08:15:34,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:15:34,171 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:15:34,237 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_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44603,44616] [2021-11-07 08:15:34,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:15:34,257 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:15:34,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:34 WrapperNode [2021-11-07 08:15:34,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:15:34,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:15:34,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:15:34,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:15:34,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:34" (1/1) ... [2021-11-07 08:15:34,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:34" (1/1) ... [2021-11-07 08:15:34,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:15:34,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:15:34,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:15:34,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:15:34,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:34" (1/1) ... [2021-11-07 08:15:34,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:34" (1/1) ... [2021-11-07 08:15:34,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:34" (1/1) ... [2021-11-07 08:15:34,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:34" (1/1) ... [2021-11-07 08:15:34,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:34" (1/1) ... [2021-11-07 08:15:34,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:34" (1/1) ... [2021-11-07 08:15:34,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:34" (1/1) ... [2021-11-07 08:15:34,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:15:34,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:15:34,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:15:34,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:15:34,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:34" (1/1) ... [2021-11-07 08:15:34,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:15:34,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:15:34,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 08:15:34,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 08:15:34,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 08:15:34,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:15:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:15:34,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:15:34,679 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 08:15:35,487 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-07 08:15:35,488 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-07 08:15:35,502 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:15:35,502 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-07 08:15:35,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:15:35 BoogieIcfgContainer [2021-11-07 08:15:35,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:15:35,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 08:15:35,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 08:15:35,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 08:15:35,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:15:33" (1/3) ... [2021-11-07 08:15:35,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6a8b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:15:35, skipping insertion in model container [2021-11-07 08:15:35,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:34" (2/3) ... [2021-11-07 08:15:35,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6a8b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:15:35, skipping insertion in model container [2021-11-07 08:15:35,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:15:35" (3/3) ... [2021-11-07 08:15:35,519 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2021-11-07 08:15:35,526 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 08:15:35,526 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 08:15:35,603 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 08:15:35,615 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 [2021-11-07 08:15:35,616 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 08:15:35,642 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) [2021-11-07 08:15:35,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 08:15:35,653 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:35,654 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] [2021-11-07 08:15:35,655 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:35,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:35,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1632003015, now seen corresponding path program 1 times [2021-11-07 08:15:35,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:35,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759109418] [2021-11-07 08:15:35,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:35,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:15:36,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:36,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759109418] [2021-11-07 08:15:36,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759109418] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:36,097 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:36,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:36,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659151627] [2021-11-07 08:15:36,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:36,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:36,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:36,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:36,125 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) [2021-11-07 08:15:36,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:36,441 INFO L93 Difference]: Finished difference Result 323 states and 559 transitions. [2021-11-07 08:15:36,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:36,446 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 [2021-11-07 08:15:36,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:36,469 INFO L225 Difference]: With dead ends: 323 [2021-11-07 08:15:36,469 INFO L226 Difference]: Without dead ends: 171 [2021-11-07 08:15:36,474 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:36,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-11-07 08:15:36,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 166. [2021-11-07 08:15:36,538 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) [2021-11-07 08:15:36,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 271 transitions. [2021-11-07 08:15:36,542 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 271 transitions. Word has length 44 [2021-11-07 08:15:36,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:36,543 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 271 transitions. [2021-11-07 08:15:36,543 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) [2021-11-07 08:15:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 271 transitions. [2021-11-07 08:15:36,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 08:15:36,546 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:36,547 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] [2021-11-07 08:15:36,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 08:15:36,548 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:36,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:36,549 INFO L85 PathProgramCache]: Analyzing trace with hash -954579415, now seen corresponding path program 1 times [2021-11-07 08:15:36,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:36,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718152383] [2021-11-07 08:15:36,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:36,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:36,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:15:36,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:36,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718152383] [2021-11-07 08:15:36,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718152383] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:36,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:36,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:36,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55290106] [2021-11-07 08:15:36,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:36,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:36,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:36,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:36,708 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) [2021-11-07 08:15:36,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:36,964 INFO L93 Difference]: Finished difference Result 372 states and 616 transitions. [2021-11-07 08:15:36,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:36,965 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 [2021-11-07 08:15:36,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:36,973 INFO L225 Difference]: With dead ends: 372 [2021-11-07 08:15:36,973 INFO L226 Difference]: Without dead ends: 212 [2021-11-07 08:15:36,980 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:36,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-07 08:15:37,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207. [2021-11-07 08:15:37,027 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) [2021-11-07 08:15:37,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 348 transitions. [2021-11-07 08:15:37,031 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 348 transitions. Word has length 45 [2021-11-07 08:15:37,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:37,032 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 348 transitions. [2021-11-07 08:15:37,033 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) [2021-11-07 08:15:37,033 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 348 transitions. [2021-11-07 08:15:37,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-07 08:15:37,044 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:37,044 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] [2021-11-07 08:15:37,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 08:15:37,045 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:37,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:37,046 INFO L85 PathProgramCache]: Analyzing trace with hash -420309214, now seen corresponding path program 1 times [2021-11-07 08:15:37,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:37,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990012326] [2021-11-07 08:15:37,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:37,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:37,159 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:15:37,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:37,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990012326] [2021-11-07 08:15:37,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990012326] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:37,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:37,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:37,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075075931] [2021-11-07 08:15:37,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:37,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:37,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:37,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:37,164 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) [2021-11-07 08:15:37,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:37,369 INFO L93 Difference]: Finished difference Result 437 states and 742 transitions. [2021-11-07 08:15:37,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:37,370 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 [2021-11-07 08:15:37,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:37,373 INFO L225 Difference]: With dead ends: 437 [2021-11-07 08:15:37,373 INFO L226 Difference]: Without dead ends: 238 [2021-11-07 08:15:37,375 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:37,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-11-07 08:15:37,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2021-11-07 08:15:37,394 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) [2021-11-07 08:15:37,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 404 transitions. [2021-11-07 08:15:37,396 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 404 transitions. Word has length 72 [2021-11-07 08:15:37,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:37,397 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 404 transitions. [2021-11-07 08:15:37,397 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) [2021-11-07 08:15:37,397 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 404 transitions. [2021-11-07 08:15:37,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-07 08:15:37,402 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:37,402 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] [2021-11-07 08:15:37,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 08:15:37,403 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:37,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:37,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1606429448, now seen corresponding path program 1 times [2021-11-07 08:15:37,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:37,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25562720] [2021-11-07 08:15:37,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:37,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:37,535 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-07 08:15:37,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:37,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25562720] [2021-11-07 08:15:37,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25562720] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:37,536 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:37,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:37,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124250108] [2021-11-07 08:15:37,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:37,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:37,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:37,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:37,539 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) [2021-11-07 08:15:37,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:37,668 INFO L93 Difference]: Finished difference Result 485 states and 824 transitions. [2021-11-07 08:15:37,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:37,669 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 [2021-11-07 08:15:37,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:37,671 INFO L225 Difference]: With dead ends: 485 [2021-11-07 08:15:37,672 INFO L226 Difference]: Without dead ends: 255 [2021-11-07 08:15:37,675 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:37,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-11-07 08:15:37,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2021-11-07 08:15:37,702 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) [2021-11-07 08:15:37,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 427 transitions. [2021-11-07 08:15:37,710 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 427 transitions. Word has length 84 [2021-11-07 08:15:37,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:37,711 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 427 transitions. [2021-11-07 08:15:37,711 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) [2021-11-07 08:15:37,713 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 427 transitions. [2021-11-07 08:15:37,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-07 08:15:37,722 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:37,722 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] [2021-11-07 08:15:37,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 08:15:37,723 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:37,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:37,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1610778141, now seen corresponding path program 1 times [2021-11-07 08:15:37,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:37,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176768601] [2021-11-07 08:15:37,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:37,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:37,856 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:15:37,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:37,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176768601] [2021-11-07 08:15:37,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176768601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:37,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:37,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:37,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358956723] [2021-11-07 08:15:37,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:37,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:37,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:37,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:37,860 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) [2021-11-07 08:15:38,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:38,069 INFO L93 Difference]: Finished difference Result 544 states and 923 transitions. [2021-11-07 08:15:38,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:38,069 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 [2021-11-07 08:15:38,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:38,078 INFO L225 Difference]: With dead ends: 544 [2021-11-07 08:15:38,078 INFO L226 Difference]: Without dead ends: 299 [2021-11-07 08:15:38,079 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:38,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-11-07 08:15:38,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 295. [2021-11-07 08:15:38,096 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) [2021-11-07 08:15:38,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 501 transitions. [2021-11-07 08:15:38,099 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 501 transitions. Word has length 84 [2021-11-07 08:15:38,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:38,099 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 501 transitions. [2021-11-07 08:15:38,100 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) [2021-11-07 08:15:38,100 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 501 transitions. [2021-11-07 08:15:38,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-07 08:15:38,102 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:38,102 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] [2021-11-07 08:15:38,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 08:15:38,103 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:38,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:38,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1470428767, now seen corresponding path program 1 times [2021-11-07 08:15:38,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:38,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085993090] [2021-11-07 08:15:38,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:38,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:38,245 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-07 08:15:38,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:38,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085993090] [2021-11-07 08:15:38,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085993090] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:38,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:38,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:38,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840689077] [2021-11-07 08:15:38,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:38,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:38,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:38,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:38,253 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) [2021-11-07 08:15:38,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:38,370 INFO L93 Difference]: Finished difference Result 584 states and 992 transitions. [2021-11-07 08:15:38,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:38,377 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 [2021-11-07 08:15:38,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:38,379 INFO L225 Difference]: With dead ends: 584 [2021-11-07 08:15:38,380 INFO L226 Difference]: Without dead ends: 297 [2021-11-07 08:15:38,381 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:38,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-11-07 08:15:38,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 295. [2021-11-07 08:15:38,395 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) [2021-11-07 08:15:38,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 497 transitions. [2021-11-07 08:15:38,397 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 497 transitions. Word has length 85 [2021-11-07 08:15:38,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:38,398 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 497 transitions. [2021-11-07 08:15:38,399 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) [2021-11-07 08:15:38,399 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 497 transitions. [2021-11-07 08:15:38,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-07 08:15:38,400 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:38,401 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] [2021-11-07 08:15:38,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 08:15:38,401 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:38,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:38,402 INFO L85 PathProgramCache]: Analyzing trace with hash -564791579, now seen corresponding path program 1 times [2021-11-07 08:15:38,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:38,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362895257] [2021-11-07 08:15:38,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:38,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:38,508 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:15:38,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:38,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362895257] [2021-11-07 08:15:38,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362895257] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:38,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:38,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:38,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175279846] [2021-11-07 08:15:38,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:38,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:38,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:38,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:38,512 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) [2021-11-07 08:15:38,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:38,688 INFO L93 Difference]: Finished difference Result 586 states and 987 transitions. [2021-11-07 08:15:38,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:38,689 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 [2021-11-07 08:15:38,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:38,692 INFO L225 Difference]: With dead ends: 586 [2021-11-07 08:15:38,693 INFO L226 Difference]: Without dead ends: 297 [2021-11-07 08:15:38,693 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:38,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-11-07 08:15:38,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 293. [2021-11-07 08:15:38,707 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) [2021-11-07 08:15:38,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 492 transitions. [2021-11-07 08:15:38,710 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 492 transitions. Word has length 85 [2021-11-07 08:15:38,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:38,710 INFO L470 AbstractCegarLoop]: Abstraction has 293 states and 492 transitions. [2021-11-07 08:15:38,710 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) [2021-11-07 08:15:38,711 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 492 transitions. [2021-11-07 08:15:38,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 08:15:38,712 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:38,713 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] [2021-11-07 08:15:38,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 08:15:38,713 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:38,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:38,714 INFO L85 PathProgramCache]: Analyzing trace with hash -378579321, now seen corresponding path program 1 times [2021-11-07 08:15:38,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:38,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15762239] [2021-11-07 08:15:38,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:38,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:38,755 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-07 08:15:38,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:38,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15762239] [2021-11-07 08:15:38,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15762239] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:38,756 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:38,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:38,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986144206] [2021-11-07 08:15:38,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:38,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:38,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:38,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:38,759 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) [2021-11-07 08:15:38,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:38,884 INFO L93 Difference]: Finished difference Result 586 states and 983 transitions. [2021-11-07 08:15:38,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:38,885 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 [2021-11-07 08:15:38,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:38,888 INFO L225 Difference]: With dead ends: 586 [2021-11-07 08:15:38,888 INFO L226 Difference]: Without dead ends: 301 [2021-11-07 08:15:38,889 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:38,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-11-07 08:15:38,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2021-11-07 08:15:38,903 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) [2021-11-07 08:15:38,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 497 transitions. [2021-11-07 08:15:38,905 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 497 transitions. Word has length 96 [2021-11-07 08:15:38,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:38,906 INFO L470 AbstractCegarLoop]: Abstraction has 301 states and 497 transitions. [2021-11-07 08:15:38,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:38,906 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 497 transitions. [2021-11-07 08:15:38,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-07 08:15:38,908 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:38,908 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] [2021-11-07 08:15:38,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 08:15:38,909 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:38,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:38,910 INFO L85 PathProgramCache]: Analyzing trace with hash 183697243, now seen corresponding path program 1 times [2021-11-07 08:15:38,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:38,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243190535] [2021-11-07 08:15:38,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:38,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:38,975 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-07 08:15:38,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:38,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243190535] [2021-11-07 08:15:38,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243190535] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:38,976 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:38,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:38,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510991012] [2021-11-07 08:15:38,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:38,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:38,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:38,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:38,990 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) [2021-11-07 08:15:39,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:39,173 INFO L93 Difference]: Finished difference Result 625 states and 1035 transitions. [2021-11-07 08:15:39,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:39,174 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 [2021-11-07 08:15:39,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:39,179 INFO L225 Difference]: With dead ends: 625 [2021-11-07 08:15:39,180 INFO L226 Difference]: Without dead ends: 332 [2021-11-07 08:15:39,184 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:39,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-11-07 08:15:39,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 330. [2021-11-07 08:15:39,205 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) [2021-11-07 08:15:39,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 544 transitions. [2021-11-07 08:15:39,208 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 544 transitions. Word has length 98 [2021-11-07 08:15:39,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:39,208 INFO L470 AbstractCegarLoop]: Abstraction has 330 states and 544 transitions. [2021-11-07 08:15:39,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:39,209 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 544 transitions. [2021-11-07 08:15:39,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-07 08:15:39,211 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:39,211 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] [2021-11-07 08:15:39,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 08:15:39,212 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:39,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:39,213 INFO L85 PathProgramCache]: Analyzing trace with hash 156444990, now seen corresponding path program 1 times [2021-11-07 08:15:39,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:39,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068941542] [2021-11-07 08:15:39,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:39,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:39,265 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-07 08:15:39,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:39,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068941542] [2021-11-07 08:15:39,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068941542] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:39,266 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:39,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:39,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889435814] [2021-11-07 08:15:39,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:39,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:39,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:39,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:39,269 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) [2021-11-07 08:15:39,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:39,435 INFO L93 Difference]: Finished difference Result 686 states and 1135 transitions. [2021-11-07 08:15:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:39,435 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 [2021-11-07 08:15:39,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:39,439 INFO L225 Difference]: With dead ends: 686 [2021-11-07 08:15:39,439 INFO L226 Difference]: Without dead ends: 364 [2021-11-07 08:15:39,440 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:39,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-11-07 08:15:39,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2021-11-07 08:15:39,462 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) [2021-11-07 08:15:39,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 586 transitions. [2021-11-07 08:15:39,465 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 586 transitions. Word has length 99 [2021-11-07 08:15:39,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:39,465 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 586 transitions. [2021-11-07 08:15:39,466 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) [2021-11-07 08:15:39,466 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 586 transitions. [2021-11-07 08:15:39,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-07 08:15:39,468 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:39,469 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] [2021-11-07 08:15:39,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 08:15:39,469 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:39,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:39,470 INFO L85 PathProgramCache]: Analyzing trace with hash -2130209566, now seen corresponding path program 1 times [2021-11-07 08:15:39,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:39,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958572857] [2021-11-07 08:15:39,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:39,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:39,515 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-07 08:15:39,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:39,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958572857] [2021-11-07 08:15:39,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958572857] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:39,516 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:39,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:39,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257765179] [2021-11-07 08:15:39,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:39,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:39,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:39,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:39,519 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) [2021-11-07 08:15:39,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:39,675 INFO L93 Difference]: Finished difference Result 708 states and 1162 transitions. [2021-11-07 08:15:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:39,675 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 [2021-11-07 08:15:39,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:39,678 INFO L225 Difference]: With dead ends: 708 [2021-11-07 08:15:39,679 INFO L226 Difference]: Without dead ends: 359 [2021-11-07 08:15:39,679 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:39,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2021-11-07 08:15:39,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 357. [2021-11-07 08:15:39,695 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) [2021-11-07 08:15:39,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 582 transitions. [2021-11-07 08:15:39,697 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 582 transitions. Word has length 99 [2021-11-07 08:15:39,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:39,698 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 582 transitions. [2021-11-07 08:15:39,698 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) [2021-11-07 08:15:39,698 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 582 transitions. [2021-11-07 08:15:39,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-07 08:15:39,700 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:39,700 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] [2021-11-07 08:15:39,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 08:15:39,701 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:39,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:39,701 INFO L85 PathProgramCache]: Analyzing trace with hash -417318601, now seen corresponding path program 1 times [2021-11-07 08:15:39,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:39,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368409999] [2021-11-07 08:15:39,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:39,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:39,734 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-07 08:15:39,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:39,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368409999] [2021-11-07 08:15:39,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368409999] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:39,735 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:39,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:39,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414394829] [2021-11-07 08:15:39,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:39,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:39,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:39,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:39,737 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) [2021-11-07 08:15:39,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:39,873 INFO L93 Difference]: Finished difference Result 713 states and 1164 transitions. [2021-11-07 08:15:39,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:39,875 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 [2021-11-07 08:15:39,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:39,878 INFO L225 Difference]: With dead ends: 713 [2021-11-07 08:15:39,878 INFO L226 Difference]: Without dead ends: 364 [2021-11-07 08:15:39,879 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:39,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-11-07 08:15:39,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2021-11-07 08:15:39,895 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) [2021-11-07 08:15:39,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 577 transitions. [2021-11-07 08:15:39,902 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 577 transitions. Word has length 100 [2021-11-07 08:15:39,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:39,902 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 577 transitions. [2021-11-07 08:15:39,902 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) [2021-11-07 08:15:39,903 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 577 transitions. [2021-11-07 08:15:39,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-07 08:15:39,904 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:39,905 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] [2021-11-07 08:15:39,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 08:15:39,905 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:39,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:39,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1321281040, now seen corresponding path program 1 times [2021-11-07 08:15:39,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:39,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20569914] [2021-11-07 08:15:39,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:39,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:39,964 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-07 08:15:39,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:39,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20569914] [2021-11-07 08:15:39,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20569914] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:39,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:39,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:39,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486150909] [2021-11-07 08:15:39,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:39,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:39,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:39,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:39,968 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) [2021-11-07 08:15:40,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:40,116 INFO L93 Difference]: Finished difference Result 731 states and 1183 transitions. [2021-11-07 08:15:40,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:40,116 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 [2021-11-07 08:15:40,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:40,120 INFO L225 Difference]: With dead ends: 731 [2021-11-07 08:15:40,120 INFO L226 Difference]: Without dead ends: 382 [2021-11-07 08:15:40,121 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:40,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-11-07 08:15:40,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2021-11-07 08:15:40,149 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) [2021-11-07 08:15:40,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 606 transitions. [2021-11-07 08:15:40,152 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 606 transitions. Word has length 105 [2021-11-07 08:15:40,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:40,152 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 606 transitions. [2021-11-07 08:15:40,152 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) [2021-11-07 08:15:40,153 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 606 transitions. [2021-11-07 08:15:40,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-07 08:15:40,155 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:40,155 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] [2021-11-07 08:15:40,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 08:15:40,156 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:40,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:40,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1276596489, now seen corresponding path program 1 times [2021-11-07 08:15:40,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:40,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120656431] [2021-11-07 08:15:40,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:40,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:40,208 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-07 08:15:40,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:40,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120656431] [2021-11-07 08:15:40,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120656431] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:40,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:40,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:40,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661599336] [2021-11-07 08:15:40,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:40,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:40,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:40,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:40,212 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) [2021-11-07 08:15:40,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:40,360 INFO L93 Difference]: Finished difference Result 752 states and 1206 transitions. [2021-11-07 08:15:40,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:40,360 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 [2021-11-07 08:15:40,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:40,364 INFO L225 Difference]: With dead ends: 752 [2021-11-07 08:15:40,364 INFO L226 Difference]: Without dead ends: 382 [2021-11-07 08:15:40,366 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:40,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-11-07 08:15:40,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2021-11-07 08:15:40,386 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) [2021-11-07 08:15:40,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 600 transitions. [2021-11-07 08:15:40,389 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 600 transitions. Word has length 106 [2021-11-07 08:15:40,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:40,389 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 600 transitions. [2021-11-07 08:15:40,390 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) [2021-11-07 08:15:40,390 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 600 transitions. [2021-11-07 08:15:40,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-07 08:15:40,392 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:40,393 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] [2021-11-07 08:15:40,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-07 08:15:40,393 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:40,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:40,394 INFO L85 PathProgramCache]: Analyzing trace with hash -687746511, now seen corresponding path program 1 times [2021-11-07 08:15:40,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:40,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744380187] [2021-11-07 08:15:40,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:40,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 08:15:40,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:40,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744380187] [2021-11-07 08:15:40,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744380187] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:40,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:40,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:40,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443594881] [2021-11-07 08:15:40,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:40,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:40,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:40,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:40,454 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) [2021-11-07 08:15:40,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:40,515 INFO L93 Difference]: Finished difference Result 1072 states and 1706 transitions. [2021-11-07 08:15:40,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:40,516 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 [2021-11-07 08:15:40,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:40,522 INFO L225 Difference]: With dead ends: 1072 [2021-11-07 08:15:40,522 INFO L226 Difference]: Without dead ends: 702 [2021-11-07 08:15:40,525 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:40,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2021-11-07 08:15:40,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2021-11-07 08:15:40,563 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) [2021-11-07 08:15:40,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1113 transitions. [2021-11-07 08:15:40,568 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1113 transitions. Word has length 121 [2021-11-07 08:15:40,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:40,568 INFO L470 AbstractCegarLoop]: Abstraction has 702 states and 1113 transitions. [2021-11-07 08:15:40,568 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) [2021-11-07 08:15:40,569 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1113 transitions. [2021-11-07 08:15:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-07 08:15:40,572 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:40,572 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] [2021-11-07 08:15:40,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-07 08:15:40,573 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:40,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:40,573 INFO L85 PathProgramCache]: Analyzing trace with hash 209646767, now seen corresponding path program 1 times [2021-11-07 08:15:40,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:40,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932415878] [2021-11-07 08:15:40,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:40,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:40,640 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 08:15:40,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:40,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932415878] [2021-11-07 08:15:40,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932415878] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:40,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:40,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:40,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425854888] [2021-11-07 08:15:40,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:40,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:40,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:40,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:40,646 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) [2021-11-07 08:15:40,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:40,714 INFO L93 Difference]: Finished difference Result 1072 states and 1701 transitions. [2021-11-07 08:15:40,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:40,715 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 [2021-11-07 08:15:40,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:40,723 INFO L225 Difference]: With dead ends: 1072 [2021-11-07 08:15:40,724 INFO L226 Difference]: Without dead ends: 1070 [2021-11-07 08:15:40,725 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:40,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2021-11-07 08:15:40,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1070. [2021-11-07 08:15:40,802 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) [2021-11-07 08:15:40,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1699 transitions. [2021-11-07 08:15:40,809 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1699 transitions. Word has length 121 [2021-11-07 08:15:40,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:40,810 INFO L470 AbstractCegarLoop]: Abstraction has 1070 states and 1699 transitions. [2021-11-07 08:15:40,810 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) [2021-11-07 08:15:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1699 transitions. [2021-11-07 08:15:40,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-07 08:15:40,814 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:40,815 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] [2021-11-07 08:15:40,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-07 08:15:40,815 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:40,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:40,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1473242480, now seen corresponding path program 1 times [2021-11-07 08:15:40,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:40,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126489708] [2021-11-07 08:15:40,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:40,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:40,833 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:15:40,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2134899127] [2021-11-07 08:15:40,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:40,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:15:40,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:15:40,840 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:15:40,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 08:15:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:40,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:15:41,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:15:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-07 08:15:41,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:41,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126489708] [2021-11-07 08:15:41,512 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 08:15:41,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134899127] [2021-11-07 08:15:41,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134899127] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:41,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:41,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:41,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451276346] [2021-11-07 08:15:41,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:41,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:41,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:41,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:41,516 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) [2021-11-07 08:15:41,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:41,603 INFO L93 Difference]: Finished difference Result 2500 states and 3972 transitions. [2021-11-07 08:15:41,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:41,604 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 [2021-11-07 08:15:41,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:41,615 INFO L225 Difference]: With dead ends: 2500 [2021-11-07 08:15:41,616 INFO L226 Difference]: Without dead ends: 1438 [2021-11-07 08:15:41,618 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 [2021-11-07 08:15:41,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2021-11-07 08:15:41,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1438. [2021-11-07 08:15:41,695 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) [2021-11-07 08:15:41,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2282 transitions. [2021-11-07 08:15:41,703 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2282 transitions. Word has length 122 [2021-11-07 08:15:41,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:41,704 INFO L470 AbstractCegarLoop]: Abstraction has 1438 states and 2282 transitions. [2021-11-07 08:15:41,704 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) [2021-11-07 08:15:41,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2282 transitions. [2021-11-07 08:15:41,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-07 08:15:41,710 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:41,710 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] [2021-11-07 08:15:41,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 08:15:41,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-07 08:15:41,937 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:41,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:41,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1161393041, now seen corresponding path program 1 times [2021-11-07 08:15:41,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:41,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268244827] [2021-11-07 08:15:41,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:41,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:41,949 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:15:41,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [544483282] [2021-11-07 08:15:41,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:41,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:15:41,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:15:41,951 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:15:41,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 08:15:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:42,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:15:42,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:15:42,498 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-07 08:15:42,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:42,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268244827] [2021-11-07 08:15:42,499 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 08:15:42,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544483282] [2021-11-07 08:15:42,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544483282] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:42,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:42,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:42,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982669359] [2021-11-07 08:15:42,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:42,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:42,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:42,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:42,502 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) [2021-11-07 08:15:42,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:42,620 INFO L93 Difference]: Finished difference Result 2868 states and 4555 transitions. [2021-11-07 08:15:42,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:42,620 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 [2021-11-07 08:15:42,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:42,634 INFO L225 Difference]: With dead ends: 2868 [2021-11-07 08:15:42,635 INFO L226 Difference]: Without dead ends: 1806 [2021-11-07 08:15:42,637 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 [2021-11-07 08:15:42,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2021-11-07 08:15:42,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1806. [2021-11-07 08:15:42,730 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) [2021-11-07 08:15:42,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2866 transitions. [2021-11-07 08:15:42,740 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2866 transitions. Word has length 138 [2021-11-07 08:15:42,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:42,741 INFO L470 AbstractCegarLoop]: Abstraction has 1806 states and 2866 transitions. [2021-11-07 08:15:42,741 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) [2021-11-07 08:15:42,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2866 transitions. [2021-11-07 08:15:42,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-07 08:15:42,748 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:42,748 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] [2021-11-07 08:15:42,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-07 08:15:42,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:15:42,971 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:42,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:42,971 INFO L85 PathProgramCache]: Analyzing trace with hash 230274424, now seen corresponding path program 1 times [2021-11-07 08:15:42,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:42,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581218707] [2021-11-07 08:15:42,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:42,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:42,992 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:15:42,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1772702059] [2021-11-07 08:15:42,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:42,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:15:42,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:15:42,994 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:15:43,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 08:15:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:43,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:15:43,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:15:43,819 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-11-07 08:15:43,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:43,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581218707] [2021-11-07 08:15:43,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 08:15:43,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772702059] [2021-11-07 08:15:43,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772702059] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:43,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:43,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:43,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836444641] [2021-11-07 08:15:43,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:43,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:43,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:43,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:43,822 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) [2021-11-07 08:15:44,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:44,047 INFO L93 Difference]: Finished difference Result 3649 states and 5775 transitions. [2021-11-07 08:15:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:44,047 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 [2021-11-07 08:15:44,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:44,058 INFO L225 Difference]: With dead ends: 3649 [2021-11-07 08:15:44,059 INFO L226 Difference]: Without dead ends: 1851 [2021-11-07 08:15:44,061 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 [2021-11-07 08:15:44,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2021-11-07 08:15:44,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1806. [2021-11-07 08:15:44,131 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) [2021-11-07 08:15:44,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2794 transitions. [2021-11-07 08:15:44,139 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2794 transitions. Word has length 199 [2021-11-07 08:15:44,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:44,140 INFO L470 AbstractCegarLoop]: Abstraction has 1806 states and 2794 transitions. [2021-11-07 08:15:44,140 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) [2021-11-07 08:15:44,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2794 transitions. [2021-11-07 08:15:44,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-07 08:15:44,146 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:44,147 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] [2021-11-07 08:15:44,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 08:15:44,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:15:44,372 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:44,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:44,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1368505586, now seen corresponding path program 1 times [2021-11-07 08:15:44,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:44,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230307980] [2021-11-07 08:15:44,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:44,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:44,432 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-11-07 08:15:44,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:44,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230307980] [2021-11-07 08:15:44,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230307980] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:44,434 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:44,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:44,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43273474] [2021-11-07 08:15:44,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:44,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:44,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:44,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:44,436 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) [2021-11-07 08:15:44,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:44,672 INFO L93 Difference]: Finished difference Result 3666 states and 5648 transitions. [2021-11-07 08:15:44,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:44,672 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 [2021-11-07 08:15:44,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:44,685 INFO L225 Difference]: With dead ends: 3666 [2021-11-07 08:15:44,685 INFO L226 Difference]: Without dead ends: 1868 [2021-11-07 08:15:44,688 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:44,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1868 states. [2021-11-07 08:15:44,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1868 to 1806. [2021-11-07 08:15:44,767 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) [2021-11-07 08:15:44,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2716 transitions. [2021-11-07 08:15:44,775 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2716 transitions. Word has length 212 [2021-11-07 08:15:44,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:44,776 INFO L470 AbstractCegarLoop]: Abstraction has 1806 states and 2716 transitions. [2021-11-07 08:15:44,776 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) [2021-11-07 08:15:44,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2716 transitions. [2021-11-07 08:15:44,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-07 08:15:44,783 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:44,784 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] [2021-11-07 08:15:44,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-07 08:15:44,784 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:44,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:44,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1759452965, now seen corresponding path program 1 times [2021-11-07 08:15:44,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:44,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297624155] [2021-11-07 08:15:44,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:44,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:44,812 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:15:44,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1316641653] [2021-11-07 08:15:44,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:44,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:15:44,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:15:44,817 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:15:44,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 08:15:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:45,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:15:45,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:15:45,872 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-11-07 08:15:45,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:45,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297624155] [2021-11-07 08:15:45,873 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 08:15:45,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316641653] [2021-11-07 08:15:45,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316641653] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:45,874 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:45,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:45,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151354530] [2021-11-07 08:15:45,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:45,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:45,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:45,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:45,876 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) [2021-11-07 08:15:46,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:46,160 INFO L93 Difference]: Finished difference Result 3844 states and 5780 transitions. [2021-11-07 08:15:46,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:46,161 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 [2021-11-07 08:15:46,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:46,176 INFO L225 Difference]: With dead ends: 3844 [2021-11-07 08:15:46,177 INFO L226 Difference]: Without dead ends: 1921 [2021-11-07 08:15:46,180 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 [2021-11-07 08:15:46,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2021-11-07 08:15:46,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2021-11-07 08:15:46,263 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) [2021-11-07 08:15:46,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2771 transitions. [2021-11-07 08:15:46,272 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2771 transitions. Word has length 241 [2021-11-07 08:15:46,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:46,272 INFO L470 AbstractCegarLoop]: Abstraction has 1876 states and 2771 transitions. [2021-11-07 08:15:46,273 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) [2021-11-07 08:15:46,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2771 transitions. [2021-11-07 08:15:46,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-07 08:15:46,280 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:46,281 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] [2021-11-07 08:15:46,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 08:15:46,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-11-07 08:15:46,508 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:46,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:46,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1825507112, now seen corresponding path program 1 times [2021-11-07 08:15:46,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:46,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668418498] [2021-11-07 08:15:46,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:46,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:46,536 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:15:46,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1319550101] [2021-11-07 08:15:46,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:46,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:15:46,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:15:46,539 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:15:46,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 08:15:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:46,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:15:46,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:15:47,561 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-11-07 08:15:47,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:47,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668418498] [2021-11-07 08:15:47,562 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 08:15:47,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319550101] [2021-11-07 08:15:47,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319550101] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:47,562 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:47,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:47,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120916951] [2021-11-07 08:15:47,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:47,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:47,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:47,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:47,566 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) [2021-11-07 08:15:47,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:47,833 INFO L93 Difference]: Finished difference Result 3789 states and 5585 transitions. [2021-11-07 08:15:47,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:47,834 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 [2021-11-07 08:15:47,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:47,847 INFO L225 Difference]: With dead ends: 3789 [2021-11-07 08:15:47,847 INFO L226 Difference]: Without dead ends: 1921 [2021-11-07 08:15:47,851 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 [2021-11-07 08:15:47,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2021-11-07 08:15:47,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2021-11-07 08:15:47,928 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) [2021-11-07 08:15:47,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2701 transitions. [2021-11-07 08:15:47,935 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2701 transitions. Word has length 255 [2021-11-07 08:15:47,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:47,936 INFO L470 AbstractCegarLoop]: Abstraction has 1876 states and 2701 transitions. [2021-11-07 08:15:47,936 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) [2021-11-07 08:15:47,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2701 transitions. [2021-11-07 08:15:47,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-07 08:15:47,945 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:47,945 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] [2021-11-07 08:15:47,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 08:15:48,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-07 08:15:48,161 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:48,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:48,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1622703552, now seen corresponding path program 1 times [2021-11-07 08:15:48,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:48,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960121488] [2021-11-07 08:15:48,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:48,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:48,191 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:15:48,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [226659136] [2021-11-07 08:15:48,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:48,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:15:48,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:15:48,193 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:15:48,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 08:15:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:48,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 08:15:48,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:15:49,267 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-07 08:15:49,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:49,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960121488] [2021-11-07 08:15:49,268 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 08:15:49,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226659136] [2021-11-07 08:15:49,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226659136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:49,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:49,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:49,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710894390] [2021-11-07 08:15:49,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:49,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:49,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:49,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:49,271 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) [2021-11-07 08:15:49,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:49,413 INFO L93 Difference]: Finished difference Result 5592 states and 8059 transitions. [2021-11-07 08:15:49,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:49,414 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 [2021-11-07 08:15:49,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:49,438 INFO L225 Difference]: With dead ends: 5592 [2021-11-07 08:15:49,439 INFO L226 Difference]: Without dead ends: 3724 [2021-11-07 08:15:49,442 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 [2021-11-07 08:15:49,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2021-11-07 08:15:49,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3722. [2021-11-07 08:15:49,609 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) [2021-11-07 08:15:49,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 5354 transitions. [2021-11-07 08:15:49,624 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 5354 transitions. Word has length 269 [2021-11-07 08:15:49,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:49,625 INFO L470 AbstractCegarLoop]: Abstraction has 3722 states and 5354 transitions. [2021-11-07 08:15:49,625 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) [2021-11-07 08:15:49,625 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 5354 transitions. [2021-11-07 08:15:49,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-07 08:15:49,640 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:49,641 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] [2021-11-07 08:15:49,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 08:15:49,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-11-07 08:15:49,868 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:49,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:49,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1812515673, now seen corresponding path program 1 times [2021-11-07 08:15:49,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:49,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332239097] [2021-11-07 08:15:49,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:49,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:49,941 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2021-11-07 08:15:49,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:49,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332239097] [2021-11-07 08:15:49,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332239097] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:49,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:49,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:49,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219084905] [2021-11-07 08:15:49,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:49,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:49,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:49,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:49,944 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) [2021-11-07 08:15:50,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:50,198 INFO L93 Difference]: Finished difference Result 7581 states and 10901 transitions. [2021-11-07 08:15:50,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:50,199 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 [2021-11-07 08:15:50,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:50,224 INFO L225 Difference]: With dead ends: 7581 [2021-11-07 08:15:50,225 INFO L226 Difference]: Without dead ends: 3867 [2021-11-07 08:15:50,231 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:50,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2021-11-07 08:15:50,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3837. [2021-11-07 08:15:50,382 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) [2021-11-07 08:15:50,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 5494 transitions. [2021-11-07 08:15:50,393 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 5494 transitions. Word has length 307 [2021-11-07 08:15:50,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:50,393 INFO L470 AbstractCegarLoop]: Abstraction has 3837 states and 5494 transitions. [2021-11-07 08:15:50,394 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) [2021-11-07 08:15:50,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 5494 transitions. [2021-11-07 08:15:50,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-07 08:15:50,408 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:50,408 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] [2021-11-07 08:15:50,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-07 08:15:50,409 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:50,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:50,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1267987889, now seen corresponding path program 1 times [2021-11-07 08:15:50,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:50,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986639864] [2021-11-07 08:15:50,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:50,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:50,433 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:15:50,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1311304259] [2021-11-07 08:15:50,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:50,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:15:50,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:15:50,435 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:15:50,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 08:15:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:50,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:15:51,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:15:51,718 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2021-11-07 08:15:51,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:51,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986639864] [2021-11-07 08:15:51,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 08:15:51,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311304259] [2021-11-07 08:15:51,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311304259] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:51,720 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:51,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:51,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123888949] [2021-11-07 08:15:51,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:51,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:51,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:51,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:51,722 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) [2021-11-07 08:15:51,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:51,952 INFO L93 Difference]: Finished difference Result 7666 states and 10976 transitions. [2021-11-07 08:15:51,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:51,954 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 [2021-11-07 08:15:51,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:51,974 INFO L225 Difference]: With dead ends: 7666 [2021-11-07 08:15:51,983 INFO L226 Difference]: Without dead ends: 2264 [2021-11-07 08:15:51,990 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 [2021-11-07 08:15:51,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2264 states. [2021-11-07 08:15:52,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2264 to 2264. [2021-11-07 08:15:52,087 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) [2021-11-07 08:15:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 3184 transitions. [2021-11-07 08:15:52,101 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 3184 transitions. Word has length 320 [2021-11-07 08:15:52,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:52,101 INFO L470 AbstractCegarLoop]: Abstraction has 2264 states and 3184 transitions. [2021-11-07 08:15:52,102 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) [2021-11-07 08:15:52,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 3184 transitions. [2021-11-07 08:15:52,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-07 08:15:52,113 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:52,113 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] [2021-11-07 08:15:52,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 08:15:52,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-11-07 08:15:52,341 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:52,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:52,341 INFO L85 PathProgramCache]: Analyzing trace with hash 493001237, now seen corresponding path program 1 times [2021-11-07 08:15:52,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:52,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533053665] [2021-11-07 08:15:52,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:52,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:52,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2021-11-07 08:15:52,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:52,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533053665] [2021-11-07 08:15:52,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533053665] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:52,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:52,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:52,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904696444] [2021-11-07 08:15:52,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:52,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:52,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:52,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:52,423 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) [2021-11-07 08:15:52,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:52,625 INFO L93 Difference]: Finished difference Result 4742 states and 6692 transitions. [2021-11-07 08:15:52,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:52,626 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 [2021-11-07 08:15:52,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:52,633 INFO L225 Difference]: With dead ends: 4742 [2021-11-07 08:15:52,633 INFO L226 Difference]: Without dead ends: 2486 [2021-11-07 08:15:52,637 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:52,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2021-11-07 08:15:52,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 2414. [2021-11-07 08:15:52,721 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) [2021-11-07 08:15:52,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3364 transitions. [2021-11-07 08:15:52,727 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3364 transitions. Word has length 327 [2021-11-07 08:15:52,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:52,728 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 3364 transitions. [2021-11-07 08:15:52,728 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) [2021-11-07 08:15:52,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3364 transitions. [2021-11-07 08:15:52,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-07 08:15:52,738 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:52,739 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] [2021-11-07 08:15:52,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-07 08:15:52,739 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:52,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:52,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1757399063, now seen corresponding path program 1 times [2021-11-07 08:15:52,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:52,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548345225] [2021-11-07 08:15:52,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:52,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:52,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 587 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2021-11-07 08:15:52,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:52,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548345225] [2021-11-07 08:15:52,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548345225] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:52,802 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:52,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:52,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669385508] [2021-11-07 08:15:52,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:52,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:52,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:52,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:52,804 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) [2021-11-07 08:15:53,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:53,001 INFO L93 Difference]: Finished difference Result 4862 states and 6788 transitions. [2021-11-07 08:15:53,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:53,002 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 [2021-11-07 08:15:53,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:53,008 INFO L225 Difference]: With dead ends: 4862 [2021-11-07 08:15:53,008 INFO L226 Difference]: Without dead ends: 2456 [2021-11-07 08:15:53,011 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:53,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2021-11-07 08:15:53,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2414. [2021-11-07 08:15:53,092 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) [2021-11-07 08:15:53,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3316 transitions. [2021-11-07 08:15:53,099 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3316 transitions. Word has length 353 [2021-11-07 08:15:53,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:53,100 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 3316 transitions. [2021-11-07 08:15:53,100 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) [2021-11-07 08:15:53,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3316 transitions. [2021-11-07 08:15:53,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-11-07 08:15:53,112 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:53,114 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] [2021-11-07 08:15:53,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-07 08:15:53,114 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:53,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:53,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1876884711, now seen corresponding path program 1 times [2021-11-07 08:15:53,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:53,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673575782] [2021-11-07 08:15:53,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:53,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 08:15:53,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:53,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673575782] [2021-11-07 08:15:53,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673575782] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:15:53,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468687649] [2021-11-07 08:15:53,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:53,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:15:53,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:15:53,213 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:15:53,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 08:15:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:53,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 08:15:53,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:15:54,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 08:15:54,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468687649] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:15:54,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:15:54,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-11-07 08:15:54,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291291277] [2021-11-07 08:15:54,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:15:54,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:54,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:15:54,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:15:54,784 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) [2021-11-07 08:15:55,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:55,201 INFO L93 Difference]: Finished difference Result 7028 states and 9640 transitions. [2021-11-07 08:15:55,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:15:55,202 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 [2021-11-07 08:15:55,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:55,213 INFO L225 Difference]: With dead ends: 7028 [2021-11-07 08:15:55,213 INFO L226 Difference]: Without dead ends: 4476 [2021-11-07 08:15:55,218 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 [2021-11-07 08:15:55,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4476 states. [2021-11-07 08:15:55,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4476 to 2486. [2021-11-07 08:15:55,315 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) [2021-11-07 08:15:55,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3374 transitions. [2021-11-07 08:15:55,322 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3374 transitions. Word has length 370 [2021-11-07 08:15:55,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:55,322 INFO L470 AbstractCegarLoop]: Abstraction has 2486 states and 3374 transitions. [2021-11-07 08:15:55,323 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) [2021-11-07 08:15:55,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3374 transitions. [2021-11-07 08:15:55,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2021-11-07 08:15:55,329 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:55,330 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] [2021-11-07 08:15:55,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 08:15:55,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:15:55,552 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:55,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:55,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1628763683, now seen corresponding path program 1 times [2021-11-07 08:15:55,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:55,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428937112] [2021-11-07 08:15:55,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:55,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2015 backedges. 975 proven. 0 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2021-11-07 08:15:55,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:55,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428937112] [2021-11-07 08:15:55,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428937112] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:55,688 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:55,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:55,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721582413] [2021-11-07 08:15:55,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:55,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:55,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:55,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:55,690 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) [2021-11-07 08:15:55,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:55,931 INFO L93 Difference]: Finished difference Result 4976 states and 6748 transitions. [2021-11-07 08:15:55,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:55,932 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 [2021-11-07 08:15:55,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:55,938 INFO L225 Difference]: With dead ends: 4976 [2021-11-07 08:15:55,938 INFO L226 Difference]: Without dead ends: 2498 [2021-11-07 08:15:55,943 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:55,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2021-11-07 08:15:56,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2486. [2021-11-07 08:15:56,034 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) [2021-11-07 08:15:56,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3326 transitions. [2021-11-07 08:15:56,042 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3326 transitions. Word has length 438 [2021-11-07 08:15:56,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:56,042 INFO L470 AbstractCegarLoop]: Abstraction has 2486 states and 3326 transitions. [2021-11-07 08:15:56,043 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) [2021-11-07 08:15:56,043 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3326 transitions. [2021-11-07 08:15:56,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-11-07 08:15:56,051 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:56,053 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] [2021-11-07 08:15:56,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-07 08:15:56,053 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:56,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:56,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1752367566, now seen corresponding path program 1 times [2021-11-07 08:15:56,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:56,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678382446] [2021-11-07 08:15:56,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:56,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2021-11-07 08:15:56,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:56,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678382446] [2021-11-07 08:15:56,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678382446] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:56,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:56,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:56,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263914116] [2021-11-07 08:15:56,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:56,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:56,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:56,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:56,156 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) [2021-11-07 08:15:56,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:56,373 INFO L93 Difference]: Finished difference Result 5180 states and 6946 transitions. [2021-11-07 08:15:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:56,374 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 [2021-11-07 08:15:56,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:56,379 INFO L225 Difference]: With dead ends: 5180 [2021-11-07 08:15:56,380 INFO L226 Difference]: Without dead ends: 2702 [2021-11-07 08:15:56,383 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:56,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2702 states. [2021-11-07 08:15:56,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2702 to 2690. [2021-11-07 08:15:56,491 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) [2021-11-07 08:15:56,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3560 transitions. [2021-11-07 08:15:56,497 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3560 transitions. Word has length 470 [2021-11-07 08:15:56,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:56,498 INFO L470 AbstractCegarLoop]: Abstraction has 2690 states and 3560 transitions. [2021-11-07 08:15:56,498 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) [2021-11-07 08:15:56,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3560 transitions. [2021-11-07 08:15:56,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2021-11-07 08:15:56,506 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:56,506 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] [2021-11-07 08:15:56,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-07 08:15:56,507 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:56,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:56,507 INFO L85 PathProgramCache]: Analyzing trace with hash -742298620, now seen corresponding path program 1 times [2021-11-07 08:15:56,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:56,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483666798] [2021-11-07 08:15:56,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:56,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:56,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2021-11-07 08:15:56,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:56,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483666798] [2021-11-07 08:15:56,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483666798] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:56,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:56,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:56,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774209519] [2021-11-07 08:15:56,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:56,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:56,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:56,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:56,603 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) [2021-11-07 08:15:56,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:56,784 INFO L93 Difference]: Finished difference Result 5600 states and 7438 transitions. [2021-11-07 08:15:56,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:56,785 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 [2021-11-07 08:15:56,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:56,791 INFO L225 Difference]: With dead ends: 5600 [2021-11-07 08:15:56,791 INFO L226 Difference]: Without dead ends: 2918 [2021-11-07 08:15:56,795 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:56,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2918 states. [2021-11-07 08:15:56,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2918 to 2906. [2021-11-07 08:15:56,877 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) [2021-11-07 08:15:56,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2906 states and 3806 transitions. [2021-11-07 08:15:56,884 INFO L78 Accepts]: Start accepts. Automaton has 2906 states and 3806 transitions. Word has length 532 [2021-11-07 08:15:56,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:56,885 INFO L470 AbstractCegarLoop]: Abstraction has 2906 states and 3806 transitions. [2021-11-07 08:15:56,885 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) [2021-11-07 08:15:56,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 3806 transitions. [2021-11-07 08:15:56,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2021-11-07 08:15:56,895 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:56,895 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] [2021-11-07 08:15:56,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-07 08:15:56,896 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:56,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:56,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1835374162, now seen corresponding path program 1 times [2021-11-07 08:15:56,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:56,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524471768] [2021-11-07 08:15:56,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:56,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:57,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-11-07 08:15:57,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:57,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524471768] [2021-11-07 08:15:57,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524471768] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:15:57,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790782919] [2021-11-07 08:15:57,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:57,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:15:57,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:15:57,060 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:15:57,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 08:15:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:57,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 08:15:57,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:15:59,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-11-07 08:15:59,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790782919] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:15:59,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:15:59,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-11-07 08:15:59,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833660434] [2021-11-07 08:15:59,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 08:15:59,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:59,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 08:15:59,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 08:15:59,067 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) [2021-11-07 08:15:59,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:59,352 INFO L93 Difference]: Finished difference Result 4541 states and 5954 transitions. [2021-11-07 08:15:59,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:15:59,353 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 [2021-11-07 08:15:59,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:59,354 INFO L225 Difference]: With dead ends: 4541 [2021-11-07 08:15:59,354 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 08:15:59,359 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 [2021-11-07 08:15:59,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 08:15:59,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 08:15:59,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:59,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 08:15:59,360 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 598 [2021-11-07 08:15:59,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:59,360 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:15:59,361 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) [2021-11-07 08:15:59,361 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 08:15:59,361 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 08:15:59,368 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 08:15:59,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 08:15:59,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-11-07 08:15:59,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 08:15:59,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:15:59,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:15:59,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:15:59,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:15:59,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:15:59,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:15:59,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:15:59,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:15:59,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:15:59,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:15:59,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:15:59,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:15:59,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:15:59,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:00,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:00,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:00,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:00,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:00,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:00,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:00,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:00,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:00,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:00,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:00,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:00,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:00,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:00,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:00,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:04,779 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 536) no Hoare annotation was computed. [2021-11-07 08:16:04,780 INFO L857 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2021-11-07 08:16:04,780 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 385) no Hoare annotation was computed. [2021-11-07 08:16:04,780 INFO L853 garLoopResultBuilder]: At program point L598(lines 109 666) 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))) [2021-11-07 08:16:04,781 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2021-11-07 08:16:04,781 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2021-11-07 08:16:04,781 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2021-11-07 08:16:04,781 INFO L857 garLoopResultBuilder]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2021-11-07 08:16:04,781 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 605) no Hoare annotation was computed. [2021-11-07 08:16:04,782 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 616) no Hoare annotation was computed. [2021-11-07 08:16:04,782 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 627) no Hoare annotation was computed. [2021-11-07 08:16:04,782 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-11-07 08:16:04,782 INFO L857 garLoopResultBuilder]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2021-11-07 08:16:04,782 INFO L860 garLoopResultBuilder]: At program point L667(lines 108 668) the Hoare annotation is: true [2021-11-07 08:16:04,782 INFO L857 garLoopResultBuilder]: For program point L205(lines 205 604) no Hoare annotation was computed. [2021-11-07 08:16:04,783 INFO L857 garLoopResultBuilder]: For program point L172(lines 172 615) no Hoare annotation was computed. [2021-11-07 08:16:04,783 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 626) no Hoare annotation was computed. [2021-11-07 08:16:04,783 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 256) no Hoare annotation was computed. [2021-11-07 08:16:04,783 INFO L853 garLoopResultBuilder]: At program point L206(lines 202 605) 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 (= 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)))) [2021-11-07 08:16:04,784 INFO L853 garLoopResultBuilder]: At program point L173(lines 169 616) 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))) [2021-11-07 08:16:04,784 INFO L857 garLoopResultBuilder]: For program point L239-2(lines 219 597) no Hoare annotation was computed. [2021-11-07 08:16:04,784 INFO L857 garLoopResultBuilder]: For program point L636(lines 636 664) no Hoare annotation was computed. [2021-11-07 08:16:04,784 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2021-11-07 08:16:04,784 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 661) no Hoare annotation was computed. [2021-11-07 08:16:04,784 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-11-07 08:16:04,785 INFO L857 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2021-11-07 08:16:04,785 INFO L857 garLoopResultBuilder]: For program point L571-2(lines 571 575) no Hoare annotation was computed. [2021-11-07 08:16:04,785 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2021-11-07 08:16:04,785 INFO L857 garLoopResultBuilder]: For program point L538-2(lines 219 597) no Hoare annotation was computed. [2021-11-07 08:16:04,785 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2021-11-07 08:16:04,786 INFO L853 garLoopResultBuilder]: At program point L373(lines 356 391) 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))) [2021-11-07 08:16:04,786 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2021-11-07 08:16:04,786 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 603) no Hoare annotation was computed. [2021-11-07 08:16:04,786 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 614) no Hoare annotation was computed. [2021-11-07 08:16:04,786 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 625) no Hoare annotation was computed. [2021-11-07 08:16:04,786 INFO L853 garLoopResultBuilder]: At program point L109-2(lines 109 666) 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))) [2021-11-07 08:16:04,787 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 675) no Hoare annotation was computed. [2021-11-07 08:16:04,787 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 647) no Hoare annotation was computed. [2021-11-07 08:16:04,787 INFO L857 garLoopResultBuilder]: For program point L671-2(lines 671 675) no Hoare annotation was computed. [2021-11-07 08:16:04,787 INFO L857 garLoopResultBuilder]: For program point L638-2(lines 637 659) no Hoare annotation was computed. [2021-11-07 08:16:04,787 INFO L853 garLoopResultBuilder]: At program point L407(lines 398 429) 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)))) [2021-11-07 08:16:04,787 INFO L853 garLoopResultBuilder]: At program point L176(lines 175 614) 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))) [2021-11-07 08:16:04,787 INFO L853 garLoopResultBuilder]: At program point L143(lines 136 627) 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))) [2021-11-07 08:16:04,788 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-07 08:16:04,788 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2021-11-07 08:16:04,788 INFO L857 garLoopResultBuilder]: For program point L640(lines 640 644) no Hoare annotation was computed. [2021-11-07 08:16:04,788 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 415) no Hoare annotation was computed. [2021-11-07 08:16:04,788 INFO L857 garLoopResultBuilder]: For program point L211(lines 211 602) no Hoare annotation was computed. [2021-11-07 08:16:04,788 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 613) no Hoare annotation was computed. [2021-11-07 08:16:04,789 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 624) no Hoare annotation was computed. [2021-11-07 08:16:04,789 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 635) no Hoare annotation was computed. [2021-11-07 08:16:04,789 INFO L857 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2021-11-07 08:16:04,789 INFO L853 garLoopResultBuilder]: At program point L212(lines 208 603) 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))) [2021-11-07 08:16:04,789 INFO L853 garLoopResultBuilder]: At program point L113(lines 112 635) 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))) [2021-11-07 08:16:04,789 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2021-11-07 08:16:04,789 INFO L857 garLoopResultBuilder]: For program point L511-2(lines 219 597) no Hoare annotation was computed. [2021-11-07 08:16:04,790 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 252) no Hoare annotation was computed. [2021-11-07 08:16:04,790 INFO L857 garLoopResultBuilder]: For program point L214(lines 214 601) no Hoare annotation was computed. [2021-11-07 08:16:04,790 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 612) no Hoare annotation was computed. [2021-11-07 08:16:04,790 INFO L857 garLoopResultBuilder]: For program point L148(lines 148 623) no Hoare annotation was computed. [2021-11-07 08:16:04,790 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 634) no Hoare annotation was computed. [2021-11-07 08:16:04,790 INFO L853 garLoopResultBuilder]: At program point L215(lines 214 601) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-11-07 08:16:04,791 INFO L853 garLoopResultBuilder]: At program point L182(lines 178 613) 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))) [2021-11-07 08:16:04,791 INFO L853 garLoopResultBuilder]: At program point L149(lines 145 624) 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))) [2021-11-07 08:16:04,791 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2021-11-07 08:16:04,791 INFO L857 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2021-11-07 08:16:04,791 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-11-07 08:16:04,792 INFO L857 garLoopResultBuilder]: For program point L316-2(lines 219 597) no Hoare annotation was computed. [2021-11-07 08:16:04,792 INFO L857 garLoopResultBuilder]: For program point L184(lines 184 611) no Hoare annotation was computed. [2021-11-07 08:16:04,792 INFO L857 garLoopResultBuilder]: For program point L151(lines 151 622) no Hoare annotation was computed. [2021-11-07 08:16:04,792 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 633) no Hoare annotation was computed. [2021-11-07 08:16:04,792 INFO L857 garLoopResultBuilder]: For program point L581(lines 581 591) no Hoare annotation was computed. [2021-11-07 08:16:04,792 INFO L857 garLoopResultBuilder]: For program point L581-1(lines 581 591) no Hoare annotation was computed. [2021-11-07 08:16:04,793 INFO L857 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2021-11-07 08:16:04,793 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 08:16:04,793 INFO L853 garLoopResultBuilder]: At program point L218(lines 217 600) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-11-07 08:16:04,793 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-11-07 08:16:04,793 INFO L857 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2021-11-07 08:16:04,793 INFO L853 garLoopResultBuilder]: At program point L417(lines 408 428) 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)))) [2021-11-07 08:16:04,794 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2021-11-07 08:16:04,794 INFO L857 garLoopResultBuilder]: For program point L351-2(lines 219 597) no Hoare annotation was computed. [2021-11-07 08:16:04,794 INFO L860 garLoopResultBuilder]: At program point L682(lines 74 684) the Hoare annotation is: true [2021-11-07 08:16:04,794 INFO L857 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2021-11-07 08:16:04,794 INFO L857 garLoopResultBuilder]: For program point L550(lines 550 555) no Hoare annotation was computed. [2021-11-07 08:16:04,794 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 610) no Hoare annotation was computed. [2021-11-07 08:16:04,795 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 621) no Hoare annotation was computed. [2021-11-07 08:16:04,795 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 632) no Hoare annotation was computed. [2021-11-07 08:16:04,795 INFO L860 garLoopResultBuilder]: At program point L683(lines 19 685) the Hoare annotation is: true [2021-11-07 08:16:04,795 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 588) no Hoare annotation was computed. [2021-11-07 08:16:04,795 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2021-11-07 08:16:04,795 INFO L853 garLoopResultBuilder]: At program point L188(lines 184 611) 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))) [2021-11-07 08:16:04,796 INFO L853 garLoopResultBuilder]: At program point L155(lines 151 622) 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))) [2021-11-07 08:16:04,796 INFO L857 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2021-11-07 08:16:04,796 INFO L853 garLoopResultBuilder]: At program point L222(lines 115 634) 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))) [2021-11-07 08:16:04,796 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 08:16:04,796 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 609) no Hoare annotation was computed. [2021-11-07 08:16:04,797 INFO L857 garLoopResultBuilder]: For program point L157(lines 157 620) no Hoare annotation was computed. [2021-11-07 08:16:04,797 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 631) no Hoare annotation was computed. [2021-11-07 08:16:04,797 INFO L857 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2021-11-07 08:16:04,797 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2021-11-07 08:16:04,797 INFO L857 garLoopResultBuilder]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2021-11-07 08:16:04,797 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 101) no Hoare annotation was computed. [2021-11-07 08:16:04,797 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 74 684) no Hoare annotation was computed. [2021-11-07 08:16:04,798 INFO L857 garLoopResultBuilder]: For program point L193(lines 193 608) no Hoare annotation was computed. [2021-11-07 08:16:04,798 INFO L857 garLoopResultBuilder]: For program point L160(lines 160 619) no Hoare annotation was computed. [2021-11-07 08:16:04,798 INFO L857 garLoopResultBuilder]: For program point L127(lines 127 630) no Hoare annotation was computed. [2021-11-07 08:16:04,798 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2021-11-07 08:16:04,798 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 08:16:04,798 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 390) no Hoare annotation was computed. [2021-11-07 08:16:04,799 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2021-11-07 08:16:04,799 INFO L857 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2021-11-07 08:16:04,799 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2021-11-07 08:16:04,799 INFO L853 garLoopResultBuilder]: At program point L194(lines 190 609) 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))) [2021-11-07 08:16:04,799 INFO L853 garLoopResultBuilder]: At program point L161(lines 157 620) 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))) [2021-11-07 08:16:04,800 INFO L857 garLoopResultBuilder]: For program point L227-2(lines 219 597) no Hoare annotation was computed. [2021-11-07 08:16:04,800 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 607) no Hoare annotation was computed. [2021-11-07 08:16:04,800 INFO L857 garLoopResultBuilder]: For program point L163(lines 163 618) no Hoare annotation was computed. [2021-11-07 08:16:04,800 INFO L857 garLoopResultBuilder]: For program point L130(lines 130 629) no Hoare annotation was computed. [2021-11-07 08:16:04,800 INFO L857 garLoopResultBuilder]: For program point L560(lines 560 564) no Hoare annotation was computed. [2021-11-07 08:16:04,800 INFO L857 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2021-11-07 08:16:04,800 INFO L857 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2021-11-07 08:16:04,801 INFO L853 garLoopResultBuilder]: At program point L131(lines 127 630) 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))) [2021-11-07 08:16:04,801 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 08:16:04,801 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 678) no Hoare annotation was computed. [2021-11-07 08:16:04,801 INFO L853 garLoopResultBuilder]: At program point L561(lines 74 684) the Hoare annotation is: false [2021-11-07 08:16:04,801 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2021-11-07 08:16:04,802 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 276) no Hoare annotation was computed. [2021-11-07 08:16:04,802 INFO L857 garLoopResultBuilder]: For program point L265(lines 265 270) no Hoare annotation was computed. [2021-11-07 08:16:04,802 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 606) no Hoare annotation was computed. [2021-11-07 08:16:04,802 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 617) no Hoare annotation was computed. [2021-11-07 08:16:04,802 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 628) no Hoare annotation was computed. [2021-11-07 08:16:04,802 INFO L860 garLoopResultBuilder]: At program point L695(lines 686 697) the Hoare annotation is: true [2021-11-07 08:16:04,803 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2021-11-07 08:16:04,803 INFO L857 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2021-11-07 08:16:04,803 INFO L857 garLoopResultBuilder]: For program point L299-2(lines 219 597) no Hoare annotation was computed. [2021-11-07 08:16:04,803 INFO L853 garLoopResultBuilder]: At program point L200(lines 196 607) 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))) [2021-11-07 08:16:04,803 INFO L853 garLoopResultBuilder]: At program point L167(lines 163 618) 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)))) [2021-11-07 08:16:04,804 INFO L853 garLoopResultBuilder]: At program point L134(lines 133 628) 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)) [2021-11-07 08:16:04,807 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] [2021-11-07 08:16:04,809 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 08:16:04,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:16:04 BoogieIcfgContainer [2021-11-07 08:16:04,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 08:16:04,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:16:04,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:16:04,855 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:16:04,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:15:35" (3/4) ... [2021-11-07 08:16:04,859 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 08:16:04,877 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-07 08:16:04,878 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 08:16:04,879 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:16:04,880 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:16:05,003 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/witness.graphml [2021-11-07 08:16:05,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:16:05,005 INFO L168 Benchmark]: Toolchain (without parser) took 31218.48 ms. Allocated memory was 94.4 MB in the beginning and 358.6 MB in the end (delta: 264.2 MB). Free memory was 60.7 MB in the beginning and 135.8 MB in the end (delta: -75.1 MB). Peak memory consumption was 187.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:16:05,005 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 94.4 MB. Free memory is still 46.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:16:05,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.11 ms. Allocated memory was 94.4 MB in the beginning and 132.1 MB in the end (delta: 37.7 MB). Free memory was 60.5 MB in the beginning and 102.0 MB in the end (delta: -41.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:16:05,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.65 ms. Allocated memory is still 132.1 MB. Free memory was 102.0 MB in the beginning and 99.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:16:05,007 INFO L168 Benchmark]: Boogie Preprocessor took 54.55 ms. Allocated memory is still 132.1 MB. Free memory was 99.5 MB in the beginning and 97.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:16:05,007 INFO L168 Benchmark]: RCFGBuilder took 1098.56 ms. Allocated memory is still 132.1 MB. Free memory was 97.4 MB in the beginning and 69.6 MB in the end (delta: 27.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:16:05,008 INFO L168 Benchmark]: TraceAbstraction took 29344.30 ms. Allocated memory was 132.1 MB in the beginning and 358.6 MB in the end (delta: 226.5 MB). Free memory was 69.0 MB in the beginning and 148.4 MB in the end (delta: -79.4 MB). Peak memory consumption was 200.7 MB. Max. memory is 16.1 GB. [2021-11-07 08:16:05,008 INFO L168 Benchmark]: Witness Printer took 148.24 ms. Allocated memory is still 358.6 MB. Free memory was 148.4 MB in the beginning and 135.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 08:16:05,014 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 94.4 MB. Free memory is still 46.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 469.11 ms. Allocated memory was 94.4 MB in the beginning and 132.1 MB in the end (delta: 37.7 MB). Free memory was 60.5 MB in the beginning and 102.0 MB in the end (delta: -41.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.65 ms. Allocated memory is still 132.1 MB. Free memory was 102.0 MB in the beginning and 99.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.55 ms. Allocated memory is still 132.1 MB. Free memory was 99.5 MB in the beginning and 97.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1098.56 ms. Allocated memory is still 132.1 MB. Free memory was 97.4 MB in the beginning and 69.6 MB in the end (delta: 27.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29344.30 ms. Allocated memory was 132.1 MB in the beginning and 358.6 MB in the end (delta: 226.5 MB). Free memory was 69.0 MB in the beginning and 148.4 MB in the end (delta: -79.4 MB). Peak memory consumption was 200.7 MB. Max. memory is 16.1 GB. * Witness Printer took 148.24 ms. Allocated memory is still 358.6 MB. Free memory was 148.4 MB in the beginning and 135.8 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: 678]: 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: 29.2s, OverallIterations: 32, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5562 SDtfs, 3457 SDslu, 2509 SDs, 0 SdLazy, 3053 SolverSat, 910 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2584 GetRequests, 2546 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s 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: 2.0s AutomataMinimizationTime, 32 MinimizatonAttempts, 2417 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 367 NumberOfFragments, 2871 HoareAnnotationTreeSize, 29 FomulaSimplifications, 43280 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 7373 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 8.0s 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: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: 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: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (8672 <= s__state && blastFlag <= 3) && !(12292 == s__state) - InvariantResult [Line: 408]: 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: 217]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 127]: 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: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: (((!(s__state == 8673) && !(s__state == 8672)) && 8672 <= s__state) && blastFlag <= 3) && !(s__hit == 0) - InvariantResult [Line: 175]: 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: 157]: 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: 398]: 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: 109]: 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: 151]: 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: 184]: 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: 115]: 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: 356]: 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: 133]: 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: 163]: 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: 169]: 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: 145]: 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: 109]: 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: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: 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: 136]: 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: 214]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 178]: 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: 202]: 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) RESULT: Ultimate proved your program to be correct! [2021-11-07 08:16:05,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719b1de2-01ca-41e7-9a6c-a5cbb30e675c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE