./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f36a525a226086cc938e65ee46daa868faf1a89b705080609babafb304ea1cb5 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:40:33,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:40:33,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:40:33,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:40:33,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:40:33,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:40:33,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:40:33,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:40:33,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:40:33,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:40:33,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:40:33,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:40:33,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:40:33,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:40:33,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:40:33,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:40:33,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:40:33,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:40:33,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:40:33,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:40:33,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:40:33,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:40:33,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:40:33,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:40:33,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:40:33,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:40:33,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:40:33,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:40:33,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:40:33,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:40:33,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:40:33,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:40:33,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:40:33,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:40:33,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:40:33,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:40:33,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:40:33,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:40:33,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:40:33,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:40:33,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:40:33,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:40:33,407 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:40:33,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:40:33,409 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:40:33,409 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:40:33,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:40:33,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:40:33,414 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:40:33,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:40:33,415 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:40:33,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:40:33,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:40:33,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:40:33,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:40:33,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:40:33,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:40:33,417 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:40:33,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:40:33,418 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:40:33,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:40:33,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:40:33,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:40:33,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:40:33,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:40:33,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:40:33,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:40:33,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:40:33,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:40:33,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:40:33,426 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:40:33,427 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:40:33,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:40:33,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:40:33,427 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_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36a525a226086cc938e65ee46daa868faf1a89b705080609babafb304ea1cb5 [2021-10-28 09:40:33,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:40:33,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:40:33,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:40:33,691 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:40:33,692 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:40:33,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem15_label16.c [2021-10-28 09:40:33,756 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/data/4e619b9e8/d583dbc618bc4e0c995903d6f7dcf816/FLAGd73bc9144 [2021-10-28 09:40:34,424 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:40:34,425 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/sv-benchmarks/c/eca-rers2012/Problem15_label16.c [2021-10-28 09:40:34,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/data/4e619b9e8/d583dbc618bc4e0c995903d6f7dcf816/FLAGd73bc9144 [2021-10-28 09:40:34,622 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/data/4e619b9e8/d583dbc618bc4e0c995903d6f7dcf816 [2021-10-28 09:40:34,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:40:34,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:40:34,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:40:34,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:40:34,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:40:34,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:40:34" (1/1) ... [2021-10-28 09:40:34,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55384b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:34, skipping insertion in model container [2021-10-28 09:40:34,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:40:34" (1/1) ... [2021-10-28 09:40:34,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:40:34,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:40:35,016 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_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/sv-benchmarks/c/eca-rers2012/Problem15_label16.c[7550,7563] [2021-10-28 09:40:35,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:40:35,516 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:40:35,586 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_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/sv-benchmarks/c/eca-rers2012/Problem15_label16.c[7550,7563] [2021-10-28 09:40:35,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:40:35,919 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:40:35,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:35 WrapperNode [2021-10-28 09:40:35,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:40:35,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:40:35,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:40:35,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:40:35,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:35" (1/1) ... [2021-10-28 09:40:35,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:35" (1/1) ... [2021-10-28 09:40:36,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:40:36,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:40:36,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:40:36,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:40:36,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:35" (1/1) ... [2021-10-28 09:40:36,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:35" (1/1) ... [2021-10-28 09:40:36,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:35" (1/1) ... [2021-10-28 09:40:36,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:35" (1/1) ... [2021-10-28 09:40:36,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:35" (1/1) ... [2021-10-28 09:40:36,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:35" (1/1) ... [2021-10-28 09:40:36,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:35" (1/1) ... [2021-10-28 09:40:36,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:40:36,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:40:36,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:40:36,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:40:36,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:35" (1/1) ... [2021-10-28 09:40:36,382 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:40:36,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:36,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:36,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:40:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:40:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:40:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:40:36,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:40:39,689 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:40:39,704 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 09:40:39,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:40:39 BoogieIcfgContainer [2021-10-28 09:40:39,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:40:39,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:40:39,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:40:39,714 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:40:39,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:40:34" (1/3) ... [2021-10-28 09:40:39,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40d314e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:40:39, skipping insertion in model container [2021-10-28 09:40:39,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:35" (2/3) ... [2021-10-28 09:40:39,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40d314e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:40:39, skipping insertion in model container [2021-10-28 09:40:39,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:40:39" (3/3) ... [2021-10-28 09:40:39,717 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label16.c [2021-10-28 09:40:39,723 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:40:39,736 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:40:39,841 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:40:39,861 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:40:39,862 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:40:39,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:39,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-28 09:40:39,928 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:39,929 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:40:39,930 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:39,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:39,943 INFO L85 PathProgramCache]: Analyzing trace with hash 531730986, now seen corresponding path program 1 times [2021-10-28 09:40:39,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:39,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237428909] [2021-10-28 09:40:39,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:39,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:40,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:40:40,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:40,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237428909] [2021-10-28 09:40:40,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237428909] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:40,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:40,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:40:40,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001806251] [2021-10-28 09:40:40,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:40,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:40,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:40,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:40,283 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 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 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:42,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:42,588 INFO L93 Difference]: Finished difference Result 1155 states and 2106 transitions. [2021-10-28 09:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:42,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 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 62 [2021-10-28 09:40:42,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:42,610 INFO L225 Difference]: With dead ends: 1155 [2021-10-28 09:40:42,610 INFO L226 Difference]: Without dead ends: 667 [2021-10-28 09:40:42,615 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:42,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2021-10-28 09:40:42,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 665. [2021-10-28 09:40:42,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 664 states have (on average 1.4789156626506024) internal successors, (982), 664 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:42,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 982 transitions. [2021-10-28 09:40:42,693 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 982 transitions. Word has length 62 [2021-10-28 09:40:42,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:42,694 INFO L470 AbstractCegarLoop]: Abstraction has 665 states and 982 transitions. [2021-10-28 09:40:42,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:42,695 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 982 transitions. [2021-10-28 09:40:42,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-10-28 09:40:42,700 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:42,701 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, 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] [2021-10-28 09:40:42,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:40:42,701 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:42,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:42,702 INFO L85 PathProgramCache]: Analyzing trace with hash -796528411, now seen corresponding path program 1 times [2021-10-28 09:40:42,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:42,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899595000] [2021-10-28 09:40:42,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:42,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:42,832 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:40:42,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:42,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899595000] [2021-10-28 09:40:42,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899595000] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:42,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:42,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:40:42,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862231880] [2021-10-28 09:40:42,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:42,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:42,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:42,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:42,837 INFO L87 Difference]: Start difference. First operand 665 states and 982 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:45,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:45,191 INFO L93 Difference]: Finished difference Result 1955 states and 2894 transitions. [2021-10-28 09:40:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:45,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2021-10-28 09:40:45,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:45,200 INFO L225 Difference]: With dead ends: 1955 [2021-10-28 09:40:45,200 INFO L226 Difference]: Without dead ends: 1292 [2021-10-28 09:40:45,202 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:45,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2021-10-28 09:40:45,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1282. [2021-10-28 09:40:45,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.3989071038251366) internal successors, (1792), 1281 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:45,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1792 transitions. [2021-10-28 09:40:45,257 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1792 transitions. Word has length 137 [2021-10-28 09:40:45,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:45,258 INFO L470 AbstractCegarLoop]: Abstraction has 1282 states and 1792 transitions. [2021-10-28 09:40:45,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:45,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1792 transitions. [2021-10-28 09:40:45,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-28 09:40:45,262 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:45,263 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:40:45,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:40:45,263 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:45,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:45,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1624626917, now seen corresponding path program 1 times [2021-10-28 09:40:45,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:45,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101725489] [2021-10-28 09:40:45,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:45,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:45,425 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:40:45,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:45,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101725489] [2021-10-28 09:40:45,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101725489] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:45,426 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:45,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:40:45,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640692478] [2021-10-28 09:40:45,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:45,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:45,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:45,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:45,429 INFO L87 Difference]: Start difference. First operand 1282 states and 1792 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:47,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:47,980 INFO L93 Difference]: Finished difference Result 3764 states and 5263 transitions. [2021-10-28 09:40:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:47,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2021-10-28 09:40:47,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:47,994 INFO L225 Difference]: With dead ends: 3764 [2021-10-28 09:40:47,995 INFO L226 Difference]: Without dead ends: 2484 [2021-10-28 09:40:47,997 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:48,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2021-10-28 09:40:48,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2182. [2021-10-28 09:40:48,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2181 states have (on average 1.2815222375057314) internal successors, (2795), 2181 states have internal predecessors, (2795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:48,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2795 transitions. [2021-10-28 09:40:48,051 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2795 transitions. Word has length 141 [2021-10-28 09:40:48,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:48,053 INFO L470 AbstractCegarLoop]: Abstraction has 2182 states and 2795 transitions. [2021-10-28 09:40:48,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:48,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2795 transitions. [2021-10-28 09:40:48,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-10-28 09:40:48,057 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:48,058 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, 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, 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] [2021-10-28 09:40:48,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:40:48,058 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:48,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:48,059 INFO L85 PathProgramCache]: Analyzing trace with hash 146795855, now seen corresponding path program 1 times [2021-10-28 09:40:48,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:48,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182492017] [2021-10-28 09:40:48,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:48,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:48,222 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-28 09:40:48,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:48,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182492017] [2021-10-28 09:40:48,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182492017] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:48,224 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:48,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:40:48,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149118936] [2021-10-28 09:40:48,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:48,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:48,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:48,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:48,226 INFO L87 Difference]: Start difference. First operand 2182 states and 2795 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:50,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:50,039 INFO L93 Difference]: Finished difference Result 6166 states and 7961 transitions. [2021-10-28 09:40:50,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:50,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 232 [2021-10-28 09:40:50,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:50,117 INFO L225 Difference]: With dead ends: 6166 [2021-10-28 09:40:50,117 INFO L226 Difference]: Without dead ends: 3986 [2021-10-28 09:40:50,122 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:50,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2021-10-28 09:40:50,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3682. [2021-10-28 09:40:50,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3682 states, 3681 states have (on average 1.2200488997555012) internal successors, (4491), 3681 states have internal predecessors, (4491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:50,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 4491 transitions. [2021-10-28 09:40:50,210 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 4491 transitions. Word has length 232 [2021-10-28 09:40:50,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:50,211 INFO L470 AbstractCegarLoop]: Abstraction has 3682 states and 4491 transitions. [2021-10-28 09:40:50,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:50,212 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4491 transitions. [2021-10-28 09:40:50,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-10-28 09:40:50,218 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:50,219 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:40:50,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:40:50,219 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:50,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:50,222 INFO L85 PathProgramCache]: Analyzing trace with hash 81110933, now seen corresponding path program 1 times [2021-10-28 09:40:50,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:50,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636978308] [2021-10-28 09:40:50,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:50,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:50,509 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-28 09:40:50,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:50,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636978308] [2021-10-28 09:40:50,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636978308] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:50,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:50,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:40:50,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28293098] [2021-10-28 09:40:50,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:50,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:50,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:50,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:50,515 INFO L87 Difference]: Start difference. First operand 3682 states and 4491 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:52,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:52,402 INFO L93 Difference]: Finished difference Result 7661 states and 9291 transitions. [2021-10-28 09:40:52,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:52,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 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 334 [2021-10-28 09:40:52,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:52,424 INFO L225 Difference]: With dead ends: 7661 [2021-10-28 09:40:52,424 INFO L226 Difference]: Without dead ends: 3981 [2021-10-28 09:40:52,429 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:52,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3981 states. [2021-10-28 09:40:52,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3981 to 3981. [2021-10-28 09:40:52,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3981 states, 3980 states have (on average 1.2050251256281408) internal successors, (4796), 3980 states have internal predecessors, (4796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:52,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3981 states and 4796 transitions. [2021-10-28 09:40:52,557 INFO L78 Accepts]: Start accepts. Automaton has 3981 states and 4796 transitions. Word has length 334 [2021-10-28 09:40:52,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:52,558 INFO L470 AbstractCegarLoop]: Abstraction has 3981 states and 4796 transitions. [2021-10-28 09:40:52,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:52,561 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 4796 transitions. [2021-10-28 09:40:52,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-10-28 09:40:52,569 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:52,569 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:40:52,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:40:52,570 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:52,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:52,571 INFO L85 PathProgramCache]: Analyzing trace with hash 2004983654, now seen corresponding path program 1 times [2021-10-28 09:40:52,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:52,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108751797] [2021-10-28 09:40:52,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:52,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:52,790 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-10-28 09:40:52,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:52,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108751797] [2021-10-28 09:40:52,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108751797] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:52,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:52,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:40:52,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687699923] [2021-10-28 09:40:52,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:52,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:52,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:52,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:52,798 INFO L87 Difference]: Start difference. First operand 3981 states and 4796 transitions. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:54,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:54,613 INFO L93 Difference]: Finished difference Result 9465 states and 11674 transitions. [2021-10-28 09:40:54,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:54,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 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 349 [2021-10-28 09:40:54,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:54,644 INFO L225 Difference]: With dead ends: 9465 [2021-10-28 09:40:54,644 INFO L226 Difference]: Without dead ends: 5785 [2021-10-28 09:40:54,649 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:54,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5785 states. [2021-10-28 09:40:54,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5785 to 5783. [2021-10-28 09:40:54,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5783 states, 5782 states have (on average 1.1675890695261155) internal successors, (6751), 5782 states have internal predecessors, (6751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 6751 transitions. [2021-10-28 09:40:54,779 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 6751 transitions. Word has length 349 [2021-10-28 09:40:54,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:54,780 INFO L470 AbstractCegarLoop]: Abstraction has 5783 states and 6751 transitions. [2021-10-28 09:40:54,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:54,780 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 6751 transitions. [2021-10-28 09:40:54,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2021-10-28 09:40:54,789 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:54,789 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:40:54,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:40:54,790 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:54,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:54,791 INFO L85 PathProgramCache]: Analyzing trace with hash -320576153, now seen corresponding path program 1 times [2021-10-28 09:40:54,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:54,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313081384] [2021-10-28 09:40:54,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:54,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-28 09:40:55,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:55,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313081384] [2021-10-28 09:40:55,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313081384] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:55,023 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:55,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:40:55,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403713200] [2021-10-28 09:40:55,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:55,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:55,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:55,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:55,027 INFO L87 Difference]: Start difference. First operand 5783 states and 6751 transitions. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:56,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:56,830 INFO L93 Difference]: Finished difference Result 13364 states and 15910 transitions. [2021-10-28 09:40:56,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:56,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 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 408 [2021-10-28 09:40:56,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:56,882 INFO L225 Difference]: With dead ends: 13364 [2021-10-28 09:40:56,882 INFO L226 Difference]: Without dead ends: 7882 [2021-10-28 09:40:56,889 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 [2021-10-28 09:40:56,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7882 states. [2021-10-28 09:40:57,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7882 to 7284. [2021-10-28 09:40:57,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7284 states, 7283 states have (on average 1.148702457778388) internal successors, (8366), 7283 states have internal predecessors, (8366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:57,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7284 states to 7284 states and 8366 transitions. [2021-10-28 09:40:57,040 INFO L78 Accepts]: Start accepts. Automaton has 7284 states and 8366 transitions. Word has length 408 [2021-10-28 09:40:57,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:57,041 INFO L470 AbstractCegarLoop]: Abstraction has 7284 states and 8366 transitions. [2021-10-28 09:40:57,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:57,042 INFO L276 IsEmpty]: Start isEmpty. Operand 7284 states and 8366 transitions. [2021-10-28 09:40:57,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2021-10-28 09:40:57,051 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:57,051 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:40:57,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:40:57,052 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:57,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:57,053 INFO L85 PathProgramCache]: Analyzing trace with hash -416528072, now seen corresponding path program 1 times [2021-10-28 09:40:57,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:57,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374519230] [2021-10-28 09:40:57,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:57,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:57,228 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-10-28 09:40:57,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:57,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374519230] [2021-10-28 09:40:57,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374519230] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:57,229 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:57,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:40:57,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185653282] [2021-10-28 09:40:57,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:57,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:57,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:57,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:57,232 INFO L87 Difference]: Start difference. First operand 7284 states and 8366 transitions. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:59,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:59,209 INFO L93 Difference]: Finished difference Result 16069 states and 18814 transitions. [2021-10-28 09:40:59,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:59,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 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 423 [2021-10-28 09:40:59,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:59,261 INFO L225 Difference]: With dead ends: 16069 [2021-10-28 09:40:59,261 INFO L226 Difference]: Without dead ends: 9086 [2021-10-28 09:40:59,269 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:59,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9086 states. [2021-10-28 09:40:59,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9086 to 8481. [2021-10-28 09:40:59,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8481 states, 8480 states have (on average 1.1379716981132075) internal successors, (9650), 8480 states have internal predecessors, (9650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:59,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8481 states to 8481 states and 9650 transitions. [2021-10-28 09:40:59,414 INFO L78 Accepts]: Start accepts. Automaton has 8481 states and 9650 transitions. Word has length 423 [2021-10-28 09:40:59,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:59,415 INFO L470 AbstractCegarLoop]: Abstraction has 8481 states and 9650 transitions. [2021-10-28 09:40:59,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:59,416 INFO L276 IsEmpty]: Start isEmpty. Operand 8481 states and 9650 transitions. [2021-10-28 09:40:59,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2021-10-28 09:40:59,429 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:59,430 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 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] [2021-10-28 09:40:59,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:40:59,431 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:59,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:59,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1543863763, now seen corresponding path program 1 times [2021-10-28 09:40:59,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:59,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890173094] [2021-10-28 09:40:59,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:59,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:59,734 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 424 proven. 39 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-28 09:40:59,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:59,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890173094] [2021-10-28 09:40:59,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890173094] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:40:59,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975427713] [2021-10-28 09:40:59,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:59,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:40:59,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:59,738 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:40:59,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:40:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:59,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:41:00,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:41:01,349 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-10-28 09:41:01,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975427713] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:01,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:41:01,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 09:41:01,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249214410] [2021-10-28 09:41:01,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:01,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:01,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:01,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:41:01,361 INFO L87 Difference]: Start difference. First operand 8481 states and 9650 transitions. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:03,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:03,234 INFO L93 Difference]: Finished difference Result 19651 states and 22543 transitions. [2021-10-28 09:41:03,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:03,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 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 513 [2021-10-28 09:41:03,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:03,254 INFO L225 Difference]: With dead ends: 19651 [2021-10-28 09:41:03,254 INFO L226 Difference]: Without dead ends: 11471 [2021-10-28 09:41:03,307 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:41:03,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11471 states. [2021-10-28 09:41:03,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11471 to 7578. [2021-10-28 09:41:03,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7578 states, 7577 states have (on average 1.1486076283489508) internal successors, (8703), 7577 states have internal predecessors, (8703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:03,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7578 states to 7578 states and 8703 transitions. [2021-10-28 09:41:03,447 INFO L78 Accepts]: Start accepts. Automaton has 7578 states and 8703 transitions. Word has length 513 [2021-10-28 09:41:03,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:03,448 INFO L470 AbstractCegarLoop]: Abstraction has 7578 states and 8703 transitions. [2021-10-28 09:41:03,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:03,449 INFO L276 IsEmpty]: Start isEmpty. Operand 7578 states and 8703 transitions. [2021-10-28 09:41:03,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2021-10-28 09:41:03,463 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:03,464 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:03,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:03,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:41:03,677 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:03,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:03,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1587144653, now seen corresponding path program 1 times [2021-10-28 09:41:03,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:03,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630160440] [2021-10-28 09:41:03,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:03,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 529 proven. 39 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-10-28 09:41:03,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:03,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630160440] [2021-10-28 09:41:03,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630160440] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:41:03,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349074183] [2021-10-28 09:41:03,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:03,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:41:03,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:03,974 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:41:03,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 09:41:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:04,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:41:04,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:41:05,409 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-10-28 09:41:05,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349074183] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:05,409 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:41:05,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 09:41:05,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362798555] [2021-10-28 09:41:05,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:05,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:05,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:05,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:41:05,413 INFO L87 Difference]: Start difference. First operand 7578 states and 8703 transitions. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:07,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:07,251 INFO L93 Difference]: Finished difference Result 17246 states and 20055 transitions. [2021-10-28 09:41:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:07,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 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 546 [2021-10-28 09:41:07,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:07,269 INFO L225 Difference]: With dead ends: 17246 [2021-10-28 09:41:07,269 INFO L226 Difference]: Without dead ends: 9969 [2021-10-28 09:41:07,278 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:41:07,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9969 states. [2021-10-28 09:41:07,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9969 to 9969. [2021-10-28 09:41:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9969 states, 9968 states have (on average 1.1499799357945426) internal successors, (11463), 9968 states have internal predecessors, (11463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:07,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9969 states to 9969 states and 11463 transitions. [2021-10-28 09:41:07,422 INFO L78 Accepts]: Start accepts. Automaton has 9969 states and 11463 transitions. Word has length 546 [2021-10-28 09:41:07,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:07,423 INFO L470 AbstractCegarLoop]: Abstraction has 9969 states and 11463 transitions. [2021-10-28 09:41:07,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 9969 states and 11463 transitions. [2021-10-28 09:41:07,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2021-10-28 09:41:07,430 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:07,431 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:07,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:07,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-28 09:41:07,657 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:07,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:07,657 INFO L85 PathProgramCache]: Analyzing trace with hash 703199593, now seen corresponding path program 1 times [2021-10-28 09:41:07,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:07,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120323527] [2021-10-28 09:41:07,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:07,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:07,922 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-10-28 09:41:07,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:07,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120323527] [2021-10-28 09:41:07,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120323527] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:07,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:07,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:41:07,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742035774] [2021-10-28 09:41:07,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:07,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:07,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:07,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:07,930 INFO L87 Difference]: Start difference. First operand 9969 states and 11463 transitions. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:09,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:09,933 INFO L93 Difference]: Finished difference Result 24136 states and 28002 transitions. [2021-10-28 09:41:09,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:09,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 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 550 [2021-10-28 09:41:09,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:09,962 INFO L225 Difference]: With dead ends: 24136 [2021-10-28 09:41:09,963 INFO L226 Difference]: Without dead ends: 14468 [2021-10-28 09:41:09,974 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:09,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14468 states. [2021-10-28 09:41:10,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14468 to 14158. [2021-10-28 09:41:10,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14158 states, 14157 states have (on average 1.1348449530267712) internal successors, (16066), 14157 states have internal predecessors, (16066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:10,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14158 states to 14158 states and 16066 transitions. [2021-10-28 09:41:10,166 INFO L78 Accepts]: Start accepts. Automaton has 14158 states and 16066 transitions. Word has length 550 [2021-10-28 09:41:10,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:10,167 INFO L470 AbstractCegarLoop]: Abstraction has 14158 states and 16066 transitions. [2021-10-28 09:41:10,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:10,167 INFO L276 IsEmpty]: Start isEmpty. Operand 14158 states and 16066 transitions. [2021-10-28 09:41:10,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2021-10-28 09:41:10,179 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:10,179 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:10,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 09:41:10,180 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:10,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:10,181 INFO L85 PathProgramCache]: Analyzing trace with hash -740853774, now seen corresponding path program 1 times [2021-10-28 09:41:10,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:10,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221878520] [2021-10-28 09:41:10,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:10,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:10,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 686 proven. 39 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2021-10-28 09:41:10,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:10,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221878520] [2021-10-28 09:41:10,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221878520] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:41:10,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098519656] [2021-10-28 09:41:10,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:10,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:41:10,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:10,497 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:41:10,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 09:41:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:11,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:41:11,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:41:12,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 610 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-10-28 09:41:12,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098519656] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:12,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:41:12,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 09:41:12,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3914767] [2021-10-28 09:41:12,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:12,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:12,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:12,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:41:12,510 INFO L87 Difference]: Start difference. First operand 14158 states and 16066 transitions. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:14,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:14,126 INFO L93 Difference]: Finished difference Result 27712 states and 31490 transitions. [2021-10-28 09:41:14,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:14,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 625 [2021-10-28 09:41:14,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:14,155 INFO L225 Difference]: With dead ends: 27712 [2021-10-28 09:41:14,155 INFO L226 Difference]: Without dead ends: 13855 [2021-10-28 09:41:14,170 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:41:14,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13855 states. [2021-10-28 09:41:14,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13855 to 13854. [2021-10-28 09:41:14,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13854 states, 13853 states have (on average 1.081642965422652) internal successors, (14984), 13853 states have internal predecessors, (14984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:14,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13854 states to 13854 states and 14984 transitions. [2021-10-28 09:41:14,416 INFO L78 Accepts]: Start accepts. Automaton has 13854 states and 14984 transitions. Word has length 625 [2021-10-28 09:41:14,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:14,417 INFO L470 AbstractCegarLoop]: Abstraction has 13854 states and 14984 transitions. [2021-10-28 09:41:14,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:14,417 INFO L276 IsEmpty]: Start isEmpty. Operand 13854 states and 14984 transitions. [2021-10-28 09:41:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2021-10-28 09:41:14,430 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:14,432 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:14,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:14,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:41:14,645 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:14,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:14,645 INFO L85 PathProgramCache]: Analyzing trace with hash -939629100, now seen corresponding path program 1 times [2021-10-28 09:41:14,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:14,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104764876] [2021-10-28 09:41:14,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:14,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:14,937 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 613 proven. 39 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-10-28 09:41:14,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:14,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104764876] [2021-10-28 09:41:14,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104764876] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:41:14,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491377942] [2021-10-28 09:41:14,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:14,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:41:14,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:14,941 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:41:14,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 09:41:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:15,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:41:15,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:41:17,996 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 613 proven. 39 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-10-28 09:41:17,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491377942] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:41:17,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:41:17,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-28 09:41:17,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844562865] [2021-10-28 09:41:17,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:41:17,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:18,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:41:18,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:41:18,000 INFO L87 Difference]: Start difference. First operand 13854 states and 14984 transitions. Second operand has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 6 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:23,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:23,565 INFO L93 Difference]: Finished difference Result 34985 states and 37811 transitions. [2021-10-28 09:41:23,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 09:41:23,566 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 6 states have internal predecessors, (633), 0 states have call successors, (0), 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 626 [2021-10-28 09:41:23,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:23,585 INFO L225 Difference]: With dead ends: 34985 [2021-10-28 09:41:23,585 INFO L226 Difference]: Without dead ends: 16544 [2021-10-28 09:41:23,595 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 633 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:41:23,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16544 states. [2021-10-28 09:41:23,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16544 to 12357. [2021-10-28 09:41:23,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12357 states, 12356 states have (on average 1.043946260925866) internal successors, (12899), 12356 states have internal predecessors, (12899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12357 states to 12357 states and 12899 transitions. [2021-10-28 09:41:23,768 INFO L78 Accepts]: Start accepts. Automaton has 12357 states and 12899 transitions. Word has length 626 [2021-10-28 09:41:23,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:23,769 INFO L470 AbstractCegarLoop]: Abstraction has 12357 states and 12899 transitions. [2021-10-28 09:41:23,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 6 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:23,769 INFO L276 IsEmpty]: Start isEmpty. Operand 12357 states and 12899 transitions. [2021-10-28 09:41:23,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2021-10-28 09:41:23,780 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:23,782 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:23,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:23,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:41:23,997 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:23,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:23,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1874022056, now seen corresponding path program 1 times [2021-10-28 09:41:23,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:23,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824119496] [2021-10-28 09:41:23,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:23,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:24,543 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 263 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:41:24,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:24,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824119496] [2021-10-28 09:41:24,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824119496] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:41:24,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080829133] [2021-10-28 09:41:24,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:24,544 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:41:24,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:24,545 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:41:24,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 09:41:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:25,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:41:25,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:41:27,194 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 448 proven. 167 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:41:27,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080829133] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:41:27,194 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:41:27,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-10-28 09:41:27,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525143572] [2021-10-28 09:41:27,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 09:41:27,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:27,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:41:27,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:41:27,198 INFO L87 Difference]: Start difference. First operand 12357 states and 12899 transitions. Second operand has 9 states, 9 states have (on average 147.22222222222223) internal successors, (1325), 9 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:36,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:36,138 INFO L93 Difference]: Finished difference Result 37256 states and 38867 transitions. [2021-10-28 09:41:36,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-28 09:41:36,144 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 147.22222222222223) internal successors, (1325), 9 states have internal predecessors, (1325), 0 states have call successors, (0), 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 663 [2021-10-28 09:41:36,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:36,164 INFO L225 Difference]: With dead ends: 37256 [2021-10-28 09:41:36,164 INFO L226 Difference]: Without dead ends: 24599 [2021-10-28 09:41:36,171 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 711 GetRequests, 682 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=189, Invalid=741, Unknown=0, NotChecked=0, Total=930 [2021-10-28 09:41:36,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24599 states. [2021-10-28 09:41:36,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24599 to 18048. [2021-10-28 09:41:36,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18048 states, 18047 states have (on average 1.0418352080678228) internal successors, (18802), 18047 states have internal predecessors, (18802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:36,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18048 states to 18048 states and 18802 transitions. [2021-10-28 09:41:36,528 INFO L78 Accepts]: Start accepts. Automaton has 18048 states and 18802 transitions. Word has length 663 [2021-10-28 09:41:36,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:36,529 INFO L470 AbstractCegarLoop]: Abstraction has 18048 states and 18802 transitions. [2021-10-28 09:41:36,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 147.22222222222223) internal successors, (1325), 9 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:36,529 INFO L276 IsEmpty]: Start isEmpty. Operand 18048 states and 18802 transitions. [2021-10-28 09:41:36,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2021-10-28 09:41:36,546 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:36,547 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:36,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:36,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-28 09:41:36,773 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:36,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:36,773 INFO L85 PathProgramCache]: Analyzing trace with hash -992338311, now seen corresponding path program 1 times [2021-10-28 09:41:36,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:36,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263545643] [2021-10-28 09:41:36,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:36,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:37,056 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 562 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2021-10-28 09:41:37,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:37,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263545643] [2021-10-28 09:41:37,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263545643] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:37,057 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:37,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:41:37,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288351237] [2021-10-28 09:41:37,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:37,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:37,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:37,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:37,060 INFO L87 Difference]: Start difference. First operand 18048 states and 18802 transitions. Second operand has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:38,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:38,285 INFO L93 Difference]: Finished difference Result 36391 states and 37913 transitions. [2021-10-28 09:41:38,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:38,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 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 730 [2021-10-28 09:41:38,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:38,297 INFO L225 Difference]: With dead ends: 36391 [2021-10-28 09:41:38,297 INFO L226 Difference]: Without dead ends: 18345 [2021-10-28 09:41:38,306 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:38,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18345 states. [2021-10-28 09:41:38,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18345 to 18046. [2021-10-28 09:41:38,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18046 states, 18045 states have (on average 1.0417290108063175) internal successors, (18798), 18045 states have internal predecessors, (18798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:38,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18046 states to 18046 states and 18798 transitions. [2021-10-28 09:41:38,694 INFO L78 Accepts]: Start accepts. Automaton has 18046 states and 18798 transitions. Word has length 730 [2021-10-28 09:41:38,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:38,695 INFO L470 AbstractCegarLoop]: Abstraction has 18046 states and 18798 transitions. [2021-10-28 09:41:38,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:38,695 INFO L276 IsEmpty]: Start isEmpty. Operand 18046 states and 18798 transitions. [2021-10-28 09:41:38,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2021-10-28 09:41:38,713 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:38,716 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:38,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 09:41:38,717 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:38,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:38,717 INFO L85 PathProgramCache]: Analyzing trace with hash 963041702, now seen corresponding path program 1 times [2021-10-28 09:41:38,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:38,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154760542] [2021-10-28 09:41:38,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:38,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:39,058 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 760 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-10-28 09:41:39,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:39,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154760542] [2021-10-28 09:41:39,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154760542] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:39,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:39,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:41:39,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583676246] [2021-10-28 09:41:39,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:39,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:39,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:39,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:39,062 INFO L87 Difference]: Start difference. First operand 18046 states and 18798 transitions. Second operand has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:40,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:40,628 INFO L93 Difference]: Finished difference Result 41769 states and 43507 transitions. [2021-10-28 09:41:40,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:40,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 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 759 [2021-10-28 09:41:40,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:40,767 INFO L225 Difference]: With dead ends: 41769 [2021-10-28 09:41:40,767 INFO L226 Difference]: Without dead ends: 23426 [2021-10-28 09:41:40,774 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:40,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23426 states. [2021-10-28 09:41:40,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23426 to 22529. [2021-10-28 09:41:40,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22529 states, 22528 states have (on average 1.0376420454545454) internal successors, (23376), 22528 states have internal predecessors, (23376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:41,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22529 states to 22529 states and 23376 transitions. [2021-10-28 09:41:41,023 INFO L78 Accepts]: Start accepts. Automaton has 22529 states and 23376 transitions. Word has length 759 [2021-10-28 09:41:41,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:41,023 INFO L470 AbstractCegarLoop]: Abstraction has 22529 states and 23376 transitions. [2021-10-28 09:41:41,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:41,024 INFO L276 IsEmpty]: Start isEmpty. Operand 22529 states and 23376 transitions. [2021-10-28 09:41:41,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 785 [2021-10-28 09:41:41,038 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:41,039 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:41,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 09:41:41,039 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:41,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:41,040 INFO L85 PathProgramCache]: Analyzing trace with hash 606921686, now seen corresponding path program 1 times [2021-10-28 09:41:41,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:41,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833044498] [2021-10-28 09:41:41,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:41,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:41,568 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 484 proven. 0 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2021-10-28 09:41:41,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:41,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833044498] [2021-10-28 09:41:41,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833044498] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:41,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:41,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:41:41,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371279504] [2021-10-28 09:41:41,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:41:41,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:41,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:41:41,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:41:41,571 INFO L87 Difference]: Start difference. First operand 22529 states and 23376 transitions. Second operand has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:43,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:43,262 INFO L93 Difference]: Finished difference Result 51041 states and 52984 transitions. [2021-10-28 09:41:43,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:41:43,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 0 states have call successors, (0), 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 784 [2021-10-28 09:41:43,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:43,289 INFO L225 Difference]: With dead ends: 51041 [2021-10-28 09:41:43,289 INFO L226 Difference]: Without dead ends: 28514 [2021-10-28 09:41:43,301 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:41:43,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28514 states. [2021-10-28 09:41:43,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28514 to 23722. [2021-10-28 09:41:43,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23722 states, 23721 states have (on average 1.0355381307702036) internal successors, (24564), 23721 states have internal predecessors, (24564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:43,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23722 states to 23722 states and 24564 transitions. [2021-10-28 09:41:43,625 INFO L78 Accepts]: Start accepts. Automaton has 23722 states and 24564 transitions. Word has length 784 [2021-10-28 09:41:43,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:43,626 INFO L470 AbstractCegarLoop]: Abstraction has 23722 states and 24564 transitions. [2021-10-28 09:41:43,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:43,626 INFO L276 IsEmpty]: Start isEmpty. Operand 23722 states and 24564 transitions. [2021-10-28 09:41:43,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 792 [2021-10-28 09:41:43,639 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:43,640 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:43,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 09:41:43,640 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:43,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:43,641 INFO L85 PathProgramCache]: Analyzing trace with hash 151158610, now seen corresponding path program 1 times [2021-10-28 09:41:43,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:43,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825870186] [2021-10-28 09:41:43,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:43,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 928 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2021-10-28 09:41:44,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:44,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825870186] [2021-10-28 09:41:44,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825870186] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:44,080 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:44,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:41:44,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029920219] [2021-10-28 09:41:44,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:41:44,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:44,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:41:44,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:41:44,083 INFO L87 Difference]: Start difference. First operand 23722 states and 24564 transitions. Second operand has 4 states, 4 states have (on average 126.5) internal successors, (506), 4 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:45,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:45,782 INFO L93 Difference]: Finished difference Result 49234 states and 50989 transitions. [2021-10-28 09:41:45,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:41:45,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 126.5) internal successors, (506), 4 states have internal predecessors, (506), 0 states have call successors, (0), 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 791 [2021-10-28 09:41:45,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:45,802 INFO L225 Difference]: With dead ends: 49234 [2021-10-28 09:41:45,802 INFO L226 Difference]: Without dead ends: 25514 [2021-10-28 09:41:45,812 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:41:45,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25514 states. [2021-10-28 09:41:46,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25514 to 23117. [2021-10-28 09:41:46,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23117 states, 23116 states have (on average 1.0295466343658073) internal successors, (23799), 23116 states have internal predecessors, (23799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:46,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23117 states to 23117 states and 23799 transitions. [2021-10-28 09:41:46,123 INFO L78 Accepts]: Start accepts. Automaton has 23117 states and 23799 transitions. Word has length 791 [2021-10-28 09:41:46,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:46,123 INFO L470 AbstractCegarLoop]: Abstraction has 23117 states and 23799 transitions. [2021-10-28 09:41:46,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 126.5) internal successors, (506), 4 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:46,124 INFO L276 IsEmpty]: Start isEmpty. Operand 23117 states and 23799 transitions. [2021-10-28 09:41:46,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 809 [2021-10-28 09:41:46,135 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:46,136 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 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, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:46,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 09:41:46,136 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:46,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:46,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1610032020, now seen corresponding path program 1 times [2021-10-28 09:41:46,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:46,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123744786] [2021-10-28 09:41:46,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:46,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:46,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 424 proven. 60 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2021-10-28 09:41:46,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:46,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123744786] [2021-10-28 09:41:46,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123744786] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:41:46,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24171781] [2021-10-28 09:41:46,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:46,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:41:46,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:46,548 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:41:46,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 09:41:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:47,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:41:47,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:41:49,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2021-10-28 09:41:49,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24171781] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:49,468 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:41:49,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 09:41:49,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328986950] [2021-10-28 09:41:49,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:49,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:49,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:49,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:41:49,472 INFO L87 Difference]: Start difference. First operand 23117 states and 23799 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:50,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:50,655 INFO L93 Difference]: Finished difference Result 48327 states and 49728 transitions. [2021-10-28 09:41:50,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:50,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 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 808 [2021-10-28 09:41:50,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:50,699 INFO L225 Difference]: With dead ends: 48327 [2021-10-28 09:41:50,699 INFO L226 Difference]: Without dead ends: 24614 [2021-10-28 09:41:50,711 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 811 GetRequests, 808 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:41:50,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24614 states. [2021-10-28 09:41:50,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24614 to 24314. [2021-10-28 09:41:51,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24314 states, 24313 states have (on average 1.0285855303746967) internal successors, (25008), 24313 states have internal predecessors, (25008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:51,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24314 states to 24314 states and 25008 transitions. [2021-10-28 09:41:51,031 INFO L78 Accepts]: Start accepts. Automaton has 24314 states and 25008 transitions. Word has length 808 [2021-10-28 09:41:51,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:51,032 INFO L470 AbstractCegarLoop]: Abstraction has 24314 states and 25008 transitions. [2021-10-28 09:41:51,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:51,032 INFO L276 IsEmpty]: Start isEmpty. Operand 24314 states and 25008 transitions. [2021-10-28 09:41:51,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 840 [2021-10-28 09:41:51,045 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:51,045 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:51,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-10-28 09:41:51,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:41:51,246 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:51,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:51,246 INFO L85 PathProgramCache]: Analyzing trace with hash -886074036, now seen corresponding path program 1 times [2021-10-28 09:41:51,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:51,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160792796] [2021-10-28 09:41:51,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:51,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 731 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2021-10-28 09:41:51,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:51,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160792796] [2021-10-28 09:41:51,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160792796] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:51,609 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:51,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:41:51,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859404542] [2021-10-28 09:41:51,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:41:51,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:51,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:41:51,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:41:51,611 INFO L87 Difference]: Start difference. First operand 24314 states and 25008 transitions. Second operand has 4 states, 4 states have (on average 143.25) internal successors, (573), 4 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:53,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:53,845 INFO L93 Difference]: Finished difference Result 59430 states and 61122 transitions. [2021-10-28 09:41:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:41:53,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.25) internal successors, (573), 4 states have internal predecessors, (573), 0 states have call successors, (0), 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 839 [2021-10-28 09:41:53,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:53,870 INFO L225 Difference]: With dead ends: 59430 [2021-10-28 09:41:53,870 INFO L226 Difference]: Without dead ends: 34819 [2021-10-28 09:41:53,882 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:41:53,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34819 states. [2021-10-28 09:41:54,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34819 to 28503. [2021-10-28 09:41:54,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28503 states, 28502 states have (on average 1.02708581853905) internal successors, (29274), 28502 states have internal predecessors, (29274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:54,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28503 states to 28503 states and 29274 transitions. [2021-10-28 09:41:54,208 INFO L78 Accepts]: Start accepts. Automaton has 28503 states and 29274 transitions. Word has length 839 [2021-10-28 09:41:54,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:54,208 INFO L470 AbstractCegarLoop]: Abstraction has 28503 states and 29274 transitions. [2021-10-28 09:41:54,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.25) internal successors, (573), 4 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:54,209 INFO L276 IsEmpty]: Start isEmpty. Operand 28503 states and 29274 transitions. [2021-10-28 09:41:54,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 918 [2021-10-28 09:41:54,312 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:54,312 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:54,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 09:41:54,313 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:54,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:54,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1796046328, now seen corresponding path program 1 times [2021-10-28 09:41:54,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:54,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186035053] [2021-10-28 09:41:54,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:54,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 1001 proven. 180 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-10-28 09:41:54,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:54,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186035053] [2021-10-28 09:41:54,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186035053] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:41:54,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453652485] [2021-10-28 09:41:54,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:54,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:41:54,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:54,693 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:41:54,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 09:41:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:56,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:41:56,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:41:58,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 1129 proven. 76 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-10-28 09:41:58,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453652485] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:41:58,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:41:58,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-10-28 09:41:58,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739478961] [2021-10-28 09:41:58,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:41:58,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:58,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:41:58,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:41:58,113 INFO L87 Difference]: Start difference. First operand 28503 states and 29274 transitions. Second operand has 7 states, 7 states have (on average 115.71428571428571) internal successors, (810), 7 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:02,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:02,879 INFO L93 Difference]: Finished difference Result 60295 states and 61926 transitions. [2021-10-28 09:42:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 09:42:02,879 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 115.71428571428571) internal successors, (810), 7 states have internal predecessors, (810), 0 states have call successors, (0), 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 917 [2021-10-28 09:42:02,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:02,900 INFO L225 Difference]: With dead ends: 60295 [2021-10-28 09:42:02,900 INFO L226 Difference]: Without dead ends: 31794 [2021-10-28 09:42:02,911 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 933 GetRequests, 923 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-10-28 09:42:02,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31794 states. [2021-10-28 09:42:03,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31794 to 27899. [2021-10-28 09:42:03,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27899 states, 27898 states have (on average 1.0262742848949746) internal successors, (28631), 27898 states have internal predecessors, (28631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:03,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27899 states to 27899 states and 28631 transitions. [2021-10-28 09:42:03,247 INFO L78 Accepts]: Start accepts. Automaton has 27899 states and 28631 transitions. Word has length 917 [2021-10-28 09:42:03,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:03,247 INFO L470 AbstractCegarLoop]: Abstraction has 27899 states and 28631 transitions. [2021-10-28 09:42:03,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 115.71428571428571) internal successors, (810), 7 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:03,248 INFO L276 IsEmpty]: Start isEmpty. Operand 27899 states and 28631 transitions. [2021-10-28 09:42:03,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2021-10-28 09:42:03,260 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:03,261 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:03,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:03,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:42:03,465 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:42:03,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:03,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1521995444, now seen corresponding path program 1 times [2021-10-28 09:42:03,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:03,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524694666] [2021-10-28 09:42:03,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:03,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1469 backedges. 875 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2021-10-28 09:42:03,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:03,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524694666] [2021-10-28 09:42:03,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524694666] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:03,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:03,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:42:03,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812763745] [2021-10-28 09:42:03,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:42:03,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:03,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:42:03,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:42:03,893 INFO L87 Difference]: Start difference. First operand 27899 states and 28631 transitions. Second operand has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:05,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:05,911 INFO L93 Difference]: Finished difference Result 62997 states and 64625 transitions. [2021-10-28 09:42:05,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:42:05,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 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 923 [2021-10-28 09:42:05,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:05,935 INFO L225 Difference]: With dead ends: 62997 [2021-10-28 09:42:05,935 INFO L226 Difference]: Without dead ends: 34801 [2021-10-28 09:42:05,946 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:42:05,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34801 states. [2021-10-28 09:42:06,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34801 to 27901. [2021-10-28 09:42:06,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27901 states, 27900 states have (on average 1.026415770609319) internal successors, (28637), 27900 states have internal predecessors, (28637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:06,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27901 states to 27901 states and 28637 transitions. [2021-10-28 09:42:06,301 INFO L78 Accepts]: Start accepts. Automaton has 27901 states and 28637 transitions. Word has length 923 [2021-10-28 09:42:06,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:06,302 INFO L470 AbstractCegarLoop]: Abstraction has 27901 states and 28637 transitions. [2021-10-28 09:42:06,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:06,302 INFO L276 IsEmpty]: Start isEmpty. Operand 27901 states and 28637 transitions. [2021-10-28 09:42:06,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1139 [2021-10-28 09:42:06,337 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:06,338 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 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] [2021-10-28 09:42:06,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-28 09:42:06,338 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:42:06,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:06,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1777093391, now seen corresponding path program 1 times [2021-10-28 09:42:06,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:06,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80713929] [2021-10-28 09:42:06,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:06,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:06,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2223 backedges. 1262 proven. 0 refuted. 0 times theorem prover too weak. 961 trivial. 0 not checked. [2021-10-28 09:42:06,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:06,909 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80713929] [2021-10-28 09:42:06,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80713929] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:06,909 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:06,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:42:06,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039592600] [2021-10-28 09:42:06,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:42:06,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:06,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:42:06,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:42:06,912 INFO L87 Difference]: Start difference. First operand 27901 states and 28637 transitions. Second operand has 4 states, 4 states have (on average 133.75) internal successors, (535), 4 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:08,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:08,764 INFO L93 Difference]: Finished difference Result 58206 states and 59725 transitions. [2021-10-28 09:42:08,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:42:08,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 133.75) internal successors, (535), 4 states have internal predecessors, (535), 0 states have call successors, (0), 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 1138 [2021-10-28 09:42:08,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:08,801 INFO L225 Difference]: With dead ends: 58206 [2021-10-28 09:42:08,801 INFO L226 Difference]: Without dead ends: 30307 [2021-10-28 09:42:08,812 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:42:08,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30307 states. [2021-10-28 09:42:09,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30307 to 27901. [2021-10-28 09:42:09,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27901 states, 27900 states have (on average 1.0253405017921147) internal successors, (28607), 27900 states have internal predecessors, (28607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:09,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27901 states to 27901 states and 28607 transitions. [2021-10-28 09:42:09,271 INFO L78 Accepts]: Start accepts. Automaton has 27901 states and 28607 transitions. Word has length 1138 [2021-10-28 09:42:09,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:09,272 INFO L470 AbstractCegarLoop]: Abstraction has 27901 states and 28607 transitions. [2021-10-28 09:42:09,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 133.75) internal successors, (535), 4 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:09,272 INFO L276 IsEmpty]: Start isEmpty. Operand 27901 states and 28607 transitions. [2021-10-28 09:42:09,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1170 [2021-10-28 09:42:09,299 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:09,300 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:09,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-28 09:42:09,301 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:42:09,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:09,302 INFO L85 PathProgramCache]: Analyzing trace with hash 2116152035, now seen corresponding path program 1 times [2021-10-28 09:42:09,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:09,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138403326] [2021-10-28 09:42:09,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:09,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:09,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3222 backedges. 1031 proven. 0 refuted. 0 times theorem prover too weak. 2191 trivial. 0 not checked. [2021-10-28 09:42:09,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:09,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138403326] [2021-10-28 09:42:09,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138403326] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:09,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:09,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:42:09,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217421239] [2021-10-28 09:42:09,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:42:09,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:09,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:42:09,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:42:09,802 INFO L87 Difference]: Start difference. First operand 27901 states and 28607 transitions. Second operand has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:11,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:11,016 INFO L93 Difference]: Finished difference Result 57294 states and 58743 transitions. [2021-10-28 09:42:11,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:42:11,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 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 1169 [2021-10-28 09:42:11,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:11,037 INFO L225 Difference]: With dead ends: 57294 [2021-10-28 09:42:11,037 INFO L226 Difference]: Without dead ends: 27003 [2021-10-28 09:42:11,046 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:42:11,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27003 states. [2021-10-28 09:42:11,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27003 to 22815. [2021-10-28 09:42:11,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22815 states, 22814 states have (on average 1.0231436837029895) internal successors, (23342), 22814 states have internal predecessors, (23342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:11,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22815 states to 22815 states and 23342 transitions. [2021-10-28 09:42:11,505 INFO L78 Accepts]: Start accepts. Automaton has 22815 states and 23342 transitions. Word has length 1169 [2021-10-28 09:42:11,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:11,506 INFO L470 AbstractCegarLoop]: Abstraction has 22815 states and 23342 transitions. [2021-10-28 09:42:11,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:11,506 INFO L276 IsEmpty]: Start isEmpty. Operand 22815 states and 23342 transitions. [2021-10-28 09:42:11,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1276 [2021-10-28 09:42:11,528 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:11,529 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 09:42:11,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-28 09:42:11,529 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:42:11,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:11,530 INFO L85 PathProgramCache]: Analyzing trace with hash -487072104, now seen corresponding path program 1 times [2021-10-28 09:42:11,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:11,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097770538] [2021-10-28 09:42:11,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:11,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:12,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2683 backedges. 1931 proven. 0 refuted. 0 times theorem prover too weak. 752 trivial. 0 not checked. [2021-10-28 09:42:12,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:12,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097770538] [2021-10-28 09:42:12,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097770538] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:12,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:12,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:42:12,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608128648] [2021-10-28 09:42:12,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:42:12,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:12,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:42:12,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:42:12,017 INFO L87 Difference]: Start difference. First operand 22815 states and 23342 transitions. Second operand has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:13,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:13,171 INFO L93 Difference]: Finished difference Result 50716 states and 51906 transitions. [2021-10-28 09:42:13,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:42:13,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 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 1275 [2021-10-28 09:42:13,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:13,382 INFO L225 Difference]: With dead ends: 50716 [2021-10-28 09:42:13,382 INFO L226 Difference]: Without dead ends: 27903 [2021-10-28 09:42:13,388 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:42:13,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27903 states. [2021-10-28 09:42:13,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27903 to 21013. [2021-10-28 09:42:13,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21013 states, 21012 states have (on average 1.0227013135351228) internal successors, (21489), 21012 states have internal predecessors, (21489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:13,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21013 states to 21013 states and 21489 transitions. [2021-10-28 09:42:13,601 INFO L78 Accepts]: Start accepts. Automaton has 21013 states and 21489 transitions. Word has length 1275 [2021-10-28 09:42:13,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:13,601 INFO L470 AbstractCegarLoop]: Abstraction has 21013 states and 21489 transitions. [2021-10-28 09:42:13,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:13,602 INFO L276 IsEmpty]: Start isEmpty. Operand 21013 states and 21489 transitions. [2021-10-28 09:42:13,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1377 [2021-10-28 09:42:13,623 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:13,624 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:13,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-28 09:42:13,624 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:42:13,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:13,625 INFO L85 PathProgramCache]: Analyzing trace with hash 356399598, now seen corresponding path program 1 times [2021-10-28 09:42:13,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:13,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094914116] [2021-10-28 09:42:13,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:13,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:14,456 INFO L134 CoverageAnalysis]: Checked inductivity of 3265 backedges. 2115 proven. 0 refuted. 0 times theorem prover too weak. 1150 trivial. 0 not checked. [2021-10-28 09:42:14,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:14,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094914116] [2021-10-28 09:42:14,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094914116] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:14,457 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:14,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:42:14,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377988956] [2021-10-28 09:42:14,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:42:14,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:14,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:42:14,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:42:14,461 INFO L87 Difference]: Start difference. First operand 21013 states and 21489 transitions. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:15,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:15,492 INFO L93 Difference]: Finished difference Result 45626 states and 46676 transitions. [2021-10-28 09:42:15,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:42:15,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 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 1376 [2021-10-28 09:42:15,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:15,514 INFO L225 Difference]: With dead ends: 45626 [2021-10-28 09:42:15,514 INFO L226 Difference]: Without dead ends: 24615 [2021-10-28 09:42:15,524 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:42:15,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24615 states. [2021-10-28 09:42:15,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24615 to 22219. [2021-10-28 09:42:15,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22219 states, 22218 states have (on average 1.021694121883158) internal successors, (22700), 22218 states have internal predecessors, (22700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:15,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22219 states to 22219 states and 22700 transitions. [2021-10-28 09:42:15,832 INFO L78 Accepts]: Start accepts. Automaton has 22219 states and 22700 transitions. Word has length 1376 [2021-10-28 09:42:15,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:15,833 INFO L470 AbstractCegarLoop]: Abstraction has 22219 states and 22700 transitions. [2021-10-28 09:42:15,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:15,833 INFO L276 IsEmpty]: Start isEmpty. Operand 22219 states and 22700 transitions. [2021-10-28 09:42:15,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1378 [2021-10-28 09:42:15,861 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:15,862 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:15,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-28 09:42:15,862 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:42:15,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:15,863 INFO L85 PathProgramCache]: Analyzing trace with hash 584317062, now seen corresponding path program 1 times [2021-10-28 09:42:15,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:15,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175975234] [2021-10-28 09:42:15,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:15,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:16,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3657 backedges. 2509 proven. 0 refuted. 0 times theorem prover too weak. 1148 trivial. 0 not checked. [2021-10-28 09:42:16,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:16,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175975234] [2021-10-28 09:42:16,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175975234] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:16,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:16,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:42:16,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068264424] [2021-10-28 09:42:16,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:42:16,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:16,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:42:16,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:42:16,468 INFO L87 Difference]: Start difference. First operand 22219 states and 22700 transitions. Second operand has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:17,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:17,300 INFO L93 Difference]: Finished difference Result 38115 states and 38918 transitions. [2021-10-28 09:42:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:42:17,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 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 1377 [2021-10-28 09:42:17,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:17,311 INFO L225 Difference]: With dead ends: 38115 [2021-10-28 09:42:17,311 INFO L226 Difference]: Without dead ends: 15898 [2021-10-28 09:42:17,319 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:42:17,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15898 states. [2021-10-28 09:42:17,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15898 to 14700. [2021-10-28 09:42:17,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14700 states, 14699 states have (on average 1.0193890740866725) internal successors, (14984), 14699 states have internal predecessors, (14984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:17,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14700 states to 14700 states and 14984 transitions. [2021-10-28 09:42:17,462 INFO L78 Accepts]: Start accepts. Automaton has 14700 states and 14984 transitions. Word has length 1377 [2021-10-28 09:42:17,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:17,463 INFO L470 AbstractCegarLoop]: Abstraction has 14700 states and 14984 transitions. [2021-10-28 09:42:17,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:17,463 INFO L276 IsEmpty]: Start isEmpty. Operand 14700 states and 14984 transitions. [2021-10-28 09:42:17,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1493 [2021-10-28 09:42:17,570 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:17,571 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-10-28 09:42:17,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-28 09:42:17,571 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:42:17,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:17,572 INFO L85 PathProgramCache]: Analyzing trace with hash -136716222, now seen corresponding path program 1 times [2021-10-28 09:42:17,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:17,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800341052] [2021-10-28 09:42:17,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:17,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3582 backedges. 2284 proven. 0 refuted. 0 times theorem prover too weak. 1298 trivial. 0 not checked. [2021-10-28 09:42:18,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:18,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800341052] [2021-10-28 09:42:18,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800341052] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:18,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:18,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:42:18,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835611542] [2021-10-28 09:42:18,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:42:18,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:18,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:42:18,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:42:18,122 INFO L87 Difference]: Start difference. First operand 14700 states and 14984 transitions. Second operand has 3 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:19,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:19,026 INFO L93 Difference]: Finished difference Result 29095 states and 29664 transitions. [2021-10-28 09:42:19,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:42:19,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 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 1492 [2021-10-28 09:42:19,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:19,027 INFO L225 Difference]: With dead ends: 29095 [2021-10-28 09:42:19,027 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:42:19,033 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:42:19,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:42:19,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:42:19,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:19,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:42:19,034 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1492 [2021-10-28 09:42:19,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:19,034 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:42:19,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:19,034 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:42:19,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:42:19,037 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:42:19,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-28 09:42:19,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:42:19,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:19,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:20,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:21,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:31,168 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,169 INFO L857 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,169 INFO L857 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,169 INFO L857 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-10-28 09:42:31,169 INFO L857 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,169 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,169 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-10-28 09:42:31,170 INFO L857 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-10-28 09:42:31,170 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,170 INFO L857 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,170 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,170 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-28 09:42:31,170 INFO L857 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,170 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,170 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,171 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,171 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,171 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-28 09:42:31,171 INFO L857 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,171 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,171 INFO L857 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-10-28 09:42:31,171 INFO L857 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-10-28 09:42:31,171 INFO L857 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,171 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,171 INFO L857 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-10-28 09:42:31,171 INFO L857 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,171 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-28 09:42:31,171 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,171 INFO L857 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-10-28 09:42:31,172 INFO L857 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-10-28 09:42:31,172 INFO L857 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,172 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,172 INFO L857 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-10-28 09:42:31,172 INFO L857 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-10-28 09:42:31,172 INFO L857 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,172 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,172 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,172 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,172 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,172 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-28 09:42:31,173 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,173 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,173 INFO L857 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,173 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,173 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,173 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,173 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-28 09:42:31,173 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,173 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,173 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,173 INFO L857 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-10-28 09:42:31,173 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,173 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,173 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-28 09:42:31,173 INFO L857 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,173 INFO L857 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,174 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,174 INFO L857 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,174 INFO L857 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,174 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,174 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-28 09:42:31,174 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,174 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,174 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,174 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,174 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-10-28 09:42:31,174 INFO L857 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-10-28 09:42:31,174 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,174 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,174 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,174 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,174 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-28 09:42:31,174 INFO L857 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-10-28 09:42:31,175 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,175 INFO L857 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,175 INFO L857 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,175 INFO L857 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,175 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,175 INFO L857 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-10-28 09:42:31,175 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,175 INFO L857 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-10-28 09:42:31,175 INFO L857 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-10-28 09:42:31,175 INFO L857 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-10-28 09:42:31,175 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-28 09:42:31,175 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,175 INFO L857 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,175 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,175 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,175 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,175 INFO L857 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-10-28 09:42:31,176 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,176 INFO L857 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,176 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-28 09:42:31,176 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:42:31,176 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2021-10-28 09:42:31,176 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,176 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-10-28 09:42:31,176 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,177 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,177 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,177 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-28 09:42:31,177 INFO L857 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,177 INFO L857 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-10-28 09:42:31,177 INFO L857 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-10-28 09:42:31,177 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-10-28 09:42:31,177 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-10-28 09:42:31,178 INFO L857 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-10-28 09:42:31,178 INFO L857 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-10-28 09:42:31,178 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,178 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,178 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,178 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,178 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-10-28 09:42:31,179 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-10-28 09:42:31,179 INFO L857 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,179 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-28 09:42:31,179 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,179 INFO L857 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,179 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,179 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,179 INFO L857 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,180 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,180 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-28 09:42:31,180 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,180 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,180 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,180 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,180 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,181 INFO L857 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-10-28 09:42:31,181 INFO L857 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-10-28 09:42:31,181 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,181 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-28 09:42:31,181 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-10-28 09:42:31,181 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-10-28 09:42:31,181 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,181 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-10-28 09:42:31,182 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-10-28 09:42:31,182 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,182 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,182 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,182 INFO L857 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,182 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-28 09:42:31,182 INFO L857 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-10-28 09:42:31,183 INFO L857 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,183 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,183 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,183 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-10-28 09:42:31,183 INFO L857 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-10-28 09:42:31,183 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,183 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-28 09:42:31,183 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,184 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,184 INFO L857 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,184 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,184 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,184 INFO L857 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,184 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-28 09:42:31,184 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,185 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,185 INFO L857 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-10-28 09:42:31,185 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,185 INFO L857 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,185 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,185 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,185 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-28 09:42:31,186 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,186 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,186 INFO L857 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,186 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,186 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,186 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-28 09:42:31,186 INFO L857 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,186 INFO L857 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,187 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,187 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,187 INFO L857 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-10-28 09:42:31,187 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,187 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,187 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:42:31,187 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,188 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-10-28 09:42:31,188 INFO L857 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-10-28 09:42:31,188 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,188 INFO L857 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,188 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-28 09:42:31,188 INFO L857 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,188 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,188 INFO L857 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,189 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,189 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,189 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-28 09:42:31,189 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,189 INFO L857 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,189 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,189 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,190 INFO L857 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,190 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-28 09:42:31,190 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,190 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,190 INFO L857 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-10-28 09:42:31,190 INFO L857 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,190 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-28 09:42:31,191 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-28 09:42:31,191 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,191 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,191 INFO L857 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,191 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,191 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,191 INFO L857 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-10-28 09:42:31,191 INFO L857 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-10-28 09:42:31,192 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,192 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-28 09:42:31,192 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-28 09:42:31,192 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,192 INFO L857 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,192 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,192 INFO L857 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,193 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,193 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-10-28 09:42:31,193 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-10-28 09:42:31,193 INFO L857 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-10-28 09:42:31,193 INFO L857 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-10-28 09:42:31,193 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,193 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,193 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,194 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-28 09:42:31,194 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-28 09:42:31,194 INFO L857 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,194 INFO L857 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-10-28 09:42:31,194 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,194 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,194 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,195 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,195 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-10-28 09:42:31,195 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-10-28 09:42:31,195 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-28 09:42:31,195 INFO L857 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,195 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-28 09:42:31,195 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,195 INFO L857 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,196 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,196 INFO L857 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,196 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,196 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,196 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,196 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,196 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-28 09:42:31,197 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-28 09:42:31,197 INFO L857 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-10-28 09:42:31,197 INFO L857 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-10-28 09:42:31,197 INFO L857 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,197 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,197 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,197 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,198 INFO L853 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse26 (+ ~a4~0 86)) (.cse27 (+ ~a0~0 61))) (let ((.cse2 (<= .cse27 0)) (.cse17 (< 0 .cse26)) (.cse7 (= ~a2~0 1))) (let ((.cse15 (<= ~a29~0 42)) (.cse22 (<= 44 ~a29~0)) (.cse20 (<= 0 (+ 143 ~a0~0))) (.cse5 (or (and .cse7 .cse2) (and .cse17 .cse7))) (.cse10 (= ~a2~0 4)) (.cse21 (<= (+ ~a29~0 127) 0)) (.cse23 (<= (+ 148 ~a0~0) 0)) (.cse25 (< 43 ~a29~0)) (.cse24 (<= (+ 98 ~a0~0) 0)) (.cse0 (= 2 ~a2~0)) (.cse9 (<= (+ ~a0~0 147) 0)) (.cse13 (< 0 .cse27)) (.cse14 (<= 0 (+ ~a29~0 14))) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse18 (<= 0 (+ 97 ~a0~0))) (.cse16 (<= .cse26 0)) (.cse11 (or .cse17 (< 0 (+ ~a29~0 16)) (<= (+ ~a29~0 144) 0))) (.cse19 (= 3 ~a2~0)) (.cse12 (<= 0 (+ ~a29~0 192415))) (.cse3 (<= (+ 104 ~a0~0) 0)) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse8 (<= 5 ~a2~0)) (.cse6 (<= 0 (+ 600001 ~a29~0)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2) (and .cse1 .cse8 (<= (+ ~a29~0 173705) 0) .cse2) (and .cse4 .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse14 .cse15 .cse16 .cse10) (and .cse17 .cse14 .cse4 .cse8 .cse2) (and .cse18 .cse4 .cse5 .cse12) (and .cse18 .cse16 .cse6 .cse19 .cse2) (and .cse3 .cse20 .cse4 .cse8 .cse2 .cse12) (and .cse1 .cse15 .cse10 .cse12) (and .cse7 .cse16 .cse6 .cse11 .cse21) (and .cse3 .cse4 .cse22 .cse10) (and .cse20 .cse4 (<= (+ ~a0~0 99) 0) .cse6 .cse11 .cse19 .cse2) (and .cse17 .cse23 .cse4 .cse10 .cse6) (and .cse3 .cse4 .cse16 .cse6 .cse19 .cse2) (and .cse0 .cse1 .cse12) (and .cse13 .cse0 .cse16 .cse6 .cse11 .cse21) (and .cse13 .cse0 .cse22 .cse16) (and .cse17 .cse14 .cse4 .cse0 .cse24) (and .cse24 (or (and .cse4 .cse8 (< 195721 ~a29~0)) (and .cse20 .cse14 .cse4 .cse8 .cse2 .cse12))) (and .cse1 .cse7 .cse21) (and .cse1 .cse10 .cse2) (and .cse3 .cse25 .cse4 .cse19) (and .cse3 .cse4 .cse9 .cse6 .cse19 .cse2) (and .cse4 .cse5 .cse11 .cse12) (and .cse1 .cse10 .cse6 .cse21) (and .cse1 .cse6 .cse11 .cse19) (and .cse25 .cse4 .cse9 .cse8) (and .cse17 .cse23 .cse4 .cse0) (and .cse25 .cse0 .cse24) (and .cse1 .cse19 .cse2) (and .cse17 .cse4 .cse0 .cse9 .cse6) (and .cse1 (<= 0 (+ 146 ~a0~0)) .cse8 .cse2) (and .cse7 .cse16 (<= (+ ~a29~0 401505) 0) .cse2) (and .cse13 .cse8 .cse16 .cse11 .cse12) (and .cse14 .cse1 .cse8) (and .cse18 .cse16 .cse11 .cse19 .cse12) (and .cse17 .cse3 .cse4 .cse8 .cse6))))) [2021-10-28 09:42:31,198 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-28 09:42:31,198 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-28 09:42:31,198 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,199 INFO L857 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,199 INFO L857 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,199 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,199 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,199 INFO L857 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,199 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,199 INFO L857 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-10-28 09:42:31,200 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,200 INFO L857 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-10-28 09:42:31,200 INFO L860 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-10-28 09:42:31,200 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,200 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-10-28 09:42:31,200 INFO L857 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-10-28 09:42:31,200 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-28 09:42:31,201 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-28 09:42:31,201 INFO L857 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,201 INFO L857 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,201 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,201 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,201 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,201 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-28 09:42:31,201 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-28 09:42:31,202 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,202 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-10-28 09:42:31,202 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-10-28 09:42:31,202 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,202 INFO L857 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,202 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:42:31,202 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,203 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,203 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,203 INFO L857 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,203 INFO L853 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse26 (+ ~a4~0 86)) (.cse27 (+ ~a0~0 61))) (let ((.cse2 (<= .cse27 0)) (.cse17 (< 0 .cse26)) (.cse7 (= ~a2~0 1))) (let ((.cse15 (<= ~a29~0 42)) (.cse20 (<= 0 (+ 143 ~a0~0))) (.cse21 (<= 44 ~a29~0)) (.cse10 (= ~a2~0 4)) (.cse23 (<= (+ ~a29~0 127) 0)) (.cse22 (<= (+ 148 ~a0~0) 0)) (.cse25 (< 43 ~a29~0)) (.cse24 (<= (+ 98 ~a0~0) 0)) (.cse0 (= 2 ~a2~0)) (.cse9 (<= (+ ~a0~0 147) 0)) (.cse13 (< 0 .cse27)) (.cse14 (<= 0 (+ ~a29~0 14))) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse5 (or (and .cse7 .cse2) (and .cse17 .cse7))) (.cse18 (<= 0 (+ 97 ~a0~0))) (.cse16 (<= .cse26 0)) (.cse11 (or .cse17 (< 0 (+ ~a29~0 16)) (<= (+ ~a29~0 144) 0))) (.cse19 (= 3 ~a2~0)) (.cse12 (<= 0 (+ ~a29~0 192415))) (.cse3 (<= (+ 104 ~a0~0) 0)) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse8 (<= 5 ~a2~0)) (.cse6 (<= 0 (+ 600001 ~a29~0)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2) (and .cse1 .cse8 (<= (+ ~a29~0 173705) 0) .cse2) (and .cse4 .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse14 .cse15 .cse16 .cse10) (and .cse17 .cse14 .cse4 .cse8 .cse2) (and .cse18 .cse16 .cse6 .cse19 .cse2) (and .cse3 .cse20 .cse4 .cse8 .cse2 .cse12) (and .cse1 .cse15 .cse10 .cse12) (and .cse3 .cse4 .cse21 .cse10) (and .cse20 .cse4 (<= (+ ~a0~0 99) 0) .cse6 .cse11 .cse19 .cse2) (and .cse17 .cse22 .cse4 .cse10 .cse6) (and .cse3 .cse4 .cse16 .cse6 .cse19 .cse2) (and .cse0 .cse1 .cse12) (and .cse13 .cse0 .cse16 .cse6 .cse11 .cse23) (and .cse13 .cse0 .cse21 .cse16) (and .cse17 .cse14 .cse4 .cse0 .cse24) (and .cse24 (or (and .cse4 .cse8 (< 195721 ~a29~0)) (and .cse20 .cse14 .cse4 .cse8 .cse2 .cse12))) (and .cse1 .cse7 .cse23) (and .cse1 .cse10 .cse2) (and .cse3 .cse4 .cse21 .cse19) (and .cse7 .cse16 .cse11 .cse23) (and .cse3 .cse4 .cse9 .cse6 .cse19 .cse2) (and .cse4 .cse5 .cse11 .cse12) (and .cse1 .cse10 .cse6 .cse23) (and .cse1 .cse6 .cse11 .cse19) (and .cse25 .cse4 .cse9 .cse8) (and .cse17 .cse22 .cse4 .cse0) (and .cse25 .cse0 .cse24) (and .cse1 .cse19 .cse2) (and .cse17 .cse4 .cse0 .cse9 .cse6) (and .cse1 (<= 0 (+ 146 ~a0~0)) .cse8 .cse2) (and .cse13 .cse8 .cse16 .cse11 .cse12) (and .cse14 .cse1 .cse8) (and .cse18 .cse16 .cse5 .cse12) (and .cse18 .cse16 .cse11 .cse19 .cse12) (and .cse17 .cse3 .cse4 .cse8 .cse6))))) [2021-10-28 09:42:31,203 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,204 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-28 09:42:31,204 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-28 09:42:31,204 INFO L857 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,204 INFO L857 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,204 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,204 INFO L857 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,204 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,204 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,205 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-28 09:42:31,205 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-28 09:42:31,205 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,205 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,205 INFO L857 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-10-28 09:42:31,205 INFO L857 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,205 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,205 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,206 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,206 INFO L857 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,206 INFO L857 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,206 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-28 09:42:31,206 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-28 09:42:31,206 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,206 INFO L857 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,207 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,207 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,207 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,207 INFO L857 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,207 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-28 09:42:31,207 INFO L857 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,207 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-28 09:42:31,207 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,208 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,208 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,208 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,208 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,208 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,208 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,208 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-28 09:42:31,209 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-28 09:42:31,209 INFO L857 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,209 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,209 INFO L857 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,209 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,209 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,209 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,209 INFO L857 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,210 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-28 09:42:31,210 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-28 09:42:31,210 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,210 INFO L857 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,210 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,210 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,210 INFO L857 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,210 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,211 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,211 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-10-28 09:42:31,211 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-10-28 09:42:31,211 INFO L857 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,211 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-28 09:42:31,211 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-28 09:42:31,211 INFO L857 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,211 INFO L857 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,212 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,212 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,212 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,212 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,212 INFO L853 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse26 (+ ~a4~0 86)) (.cse27 (+ ~a0~0 61))) (let ((.cse2 (<= .cse27 0)) (.cse17 (< 0 .cse26)) (.cse7 (= ~a2~0 1))) (let ((.cse15 (<= ~a29~0 42)) (.cse20 (<= 0 (+ 143 ~a0~0))) (.cse21 (<= 44 ~a29~0)) (.cse10 (= ~a2~0 4)) (.cse23 (<= (+ ~a29~0 127) 0)) (.cse22 (<= (+ 148 ~a0~0) 0)) (.cse25 (< 43 ~a29~0)) (.cse24 (<= (+ 98 ~a0~0) 0)) (.cse0 (= 2 ~a2~0)) (.cse9 (<= (+ ~a0~0 147) 0)) (.cse13 (< 0 .cse27)) (.cse14 (<= 0 (+ ~a29~0 14))) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse5 (or (and .cse7 .cse2) (and .cse17 .cse7))) (.cse18 (<= 0 (+ 97 ~a0~0))) (.cse16 (<= .cse26 0)) (.cse11 (or .cse17 (< 0 (+ ~a29~0 16)) (<= (+ ~a29~0 144) 0))) (.cse19 (= 3 ~a2~0)) (.cse12 (<= 0 (+ ~a29~0 192415))) (.cse3 (<= (+ 104 ~a0~0) 0)) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse8 (<= 5 ~a2~0)) (.cse6 (<= 0 (+ 600001 ~a29~0)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2) (and .cse1 .cse8 (<= (+ ~a29~0 173705) 0) .cse2) (and .cse4 .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse14 .cse15 .cse16 .cse10) (and .cse17 .cse14 .cse4 .cse8 .cse2) (and .cse18 .cse16 .cse6 .cse19 .cse2) (and .cse3 .cse20 .cse4 .cse8 .cse2 .cse12) (and .cse1 .cse15 .cse10 .cse12) (and .cse3 .cse4 .cse21 .cse10) (and .cse20 .cse4 (<= (+ ~a0~0 99) 0) .cse6 .cse11 .cse19 .cse2) (and .cse17 .cse22 .cse4 .cse10 .cse6) (and .cse3 .cse4 .cse16 .cse6 .cse19 .cse2) (and .cse0 .cse1 .cse12) (and .cse13 .cse0 .cse16 .cse6 .cse11 .cse23) (and .cse13 .cse0 .cse21 .cse16) (and .cse17 .cse14 .cse4 .cse0 .cse24) (and .cse24 (or (and .cse4 .cse8 (< 195721 ~a29~0)) (and .cse20 .cse14 .cse4 .cse8 .cse2 .cse12))) (and .cse1 .cse7 .cse23) (and .cse1 .cse10 .cse2) (and .cse3 .cse4 .cse21 .cse19) (and .cse7 .cse16 .cse11 .cse23) (and .cse3 .cse4 .cse9 .cse6 .cse19 .cse2) (and .cse4 .cse5 .cse11 .cse12) (and .cse1 .cse10 .cse6 .cse23) (and .cse1 .cse6 .cse11 .cse19) (and .cse25 .cse4 .cse9 .cse8) (and .cse17 .cse22 .cse4 .cse0) (and .cse25 .cse0 .cse24) (and .cse1 .cse19 .cse2) (and .cse17 .cse4 .cse0 .cse9 .cse6) (and .cse1 (<= 0 (+ 146 ~a0~0)) .cse8 .cse2) (and .cse13 .cse8 .cse16 .cse11 .cse12) (and .cse14 .cse1 .cse8) (and .cse18 .cse16 .cse5 .cse12) (and .cse18 .cse16 .cse11 .cse19 .cse12) (and .cse17 .cse3 .cse4 .cse8 .cse6))))) [2021-10-28 09:42:31,213 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-28 09:42:31,213 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-28 09:42:31,213 INFO L857 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,213 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,213 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,213 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,213 INFO L857 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,214 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,214 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,214 INFO L857 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,214 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-28 09:42:31,214 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-28 09:42:31,214 INFO L857 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,214 INFO L857 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-10-28 09:42:31,214 INFO L857 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-10-28 09:42:31,215 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,215 INFO L857 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,215 INFO L857 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,215 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,215 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,215 INFO L857 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-10-28 09:42:31,215 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:42:31,216 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-28 09:42:31,216 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,216 INFO L857 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,216 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,216 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,216 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-10-28 09:42:31,216 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-10-28 09:42:31,216 INFO L857 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-10-28 09:42:31,217 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,217 INFO L857 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-10-28 09:42:31,217 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-28 09:42:31,217 INFO L857 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,217 INFO L857 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,217 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,217 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,218 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,218 INFO L857 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,218 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,218 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-28 09:42:31,218 INFO L857 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-10-28 09:42:31,218 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,218 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,218 INFO L857 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,219 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-28 09:42:31,219 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,219 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,219 INFO L857 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-10-28 09:42:31,219 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,219 INFO L857 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,219 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,219 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,220 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,220 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,220 INFO L857 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,220 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-10-28 09:42:31,220 INFO L857 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-10-28 09:42:31,220 INFO L857 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,220 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-28 09:42:31,221 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,221 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:42:31,221 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,221 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-28 09:42:31,221 INFO L857 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-10-28 09:42:31,224 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] [2021-10-28 09:42:31,226 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:42:31,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:42:31 BoogieIcfgContainer [2021-10-28 09:42:31,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:42:31,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:42:31,275 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:42:31,275 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:42:31,275 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:40:39" (3/4) ... [2021-10-28 09:42:31,278 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:42:31,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 09:42:31,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:42:31,319 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:42:31,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:42:31,530 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:42:31,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:42:31,532 INFO L168 Benchmark]: Toolchain (without parser) took 116902.11 ms. Allocated memory was 98.6 MB in the beginning and 3.7 GB in the end (delta: 3.6 GB). Free memory was 71.9 MB in the beginning and 2.8 GB in the end (delta: -2.7 GB). Peak memory consumption was 904.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:31,532 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 98.6 MB. Free memory is still 73.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:42:31,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1288.10 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 71.7 MB in the beginning and 63.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 41.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:31,533 INFO L168 Benchmark]: Boogie Procedure Inliner took 223.01 ms. Allocated memory is still 123.7 MB. Free memory was 63.6 MB in the beginning and 56.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:31,533 INFO L168 Benchmark]: Boogie Preprocessor took 227.22 ms. Allocated memory is still 123.7 MB. Free memory was 56.2 MB in the beginning and 57.9 MB in the end (delta: -1.7 MB). Peak memory consumption was 32.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:31,534 INFO L168 Benchmark]: RCFGBuilder took 3335.24 ms. Allocated memory was 123.7 MB in the beginning and 339.7 MB in the end (delta: 216.0 MB). Free memory was 57.9 MB in the beginning and 270.9 MB in the end (delta: -213.0 MB). Peak memory consumption was 81.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:31,534 INFO L168 Benchmark]: TraceAbstraction took 111564.37 ms. Allocated memory was 339.7 MB in the beginning and 3.7 GB in the end (delta: 3.3 GB). Free memory was 270.9 MB in the beginning and 2.8 GB in the end (delta: -2.5 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. [2021-10-28 09:42:31,534 INFO L168 Benchmark]: Witness Printer took 255.94 ms. Allocated memory is still 3.7 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 42.4 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:31,536 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 98.6 MB. Free memory is still 73.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1288.10 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 71.7 MB in the beginning and 63.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 41.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 223.01 ms. Allocated memory is still 123.7 MB. Free memory was 63.6 MB in the beginning and 56.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 227.22 ms. Allocated memory is still 123.7 MB. Free memory was 56.2 MB in the beginning and 57.9 MB in the end (delta: -1.7 MB). Peak memory consumption was 32.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3335.24 ms. Allocated memory was 123.7 MB in the beginning and 339.7 MB in the end (delta: 216.0 MB). Free memory was 57.9 MB in the beginning and 270.9 MB in the end (delta: -213.0 MB). Peak memory consumption was 81.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 111564.37 ms. Allocated memory was 339.7 MB in the beginning and 3.7 GB in the end (delta: 3.3 GB). Free memory was 270.9 MB in the beginning and 2.8 GB in the end (delta: -2.5 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. * Witness Printer took 255.94 ms. Allocated memory is still 3.7 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 42.4 MB). Peak memory consumption was 44.0 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: 203]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 111.3s, OverallIterations: 28, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 63.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 9456 SDtfs, 14069 SDslu, 1596 SDs, 0 SdLazy, 47089 SolverSat, 5443 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4844 GetRequests, 4755 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28503occurred in iteration=20, InterpolantAutomatonStates: 131, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.2s AutomataMinimizationTime, 28 MinimizatonAttempts, 59639 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 246 NumberOfFragments, 2842 HoareAnnotationTreeSize, 4 FomulaSimplifications, 243239 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 87549 FormulaSimplificationTreeSizeReductionInter, 8.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 18.7s InterpolantComputationTime, 24685 NumberOfCodeBlocks, 24685 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 24650 ConstructedInterpolants, 0 QuantifiedInterpolants, 58715 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5781 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 35 InterpolantComputations, 25 PerfectInterpolantSequences, 39016/40046 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= 600001 + a29)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 5 <= a2) && a29 + 173705 <= 0) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || ((((0 < a0 + 61 && 0 <= a29 + 14) && a29 <= 42) && a4 + 86 <= 0) && a2 == 4)) || ((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0)) || (((0 <= 97 + a0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 192415)) || ((((0 <= 97 + a0 && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || (((((104 + a0 <= 0 && 0 <= 143 + a0) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || (((89 + a4 <= 0 && a29 <= 42) && a2 == 4) && 0 <= a29 + 192415)) || ((((a2 == 1 && a4 + 86 <= 0) && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && a29 + 127 <= 0)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 44 <= a29) && a2 == 4)) || ((((((0 <= 143 + a0 && 42 + a4 <= 0) && a0 + 99 <= 0) && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((2 == a2 && 89 + a4 <= 0) && 0 <= a29 + 192415)) || (((((0 < a0 + 61 && 2 == a2) && a4 + 86 <= 0) && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && a29 + 127 <= 0)) || (((0 < a0 + 61 && 2 == a2) && 44 <= a29) && a4 + 86 <= 0)) || ((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || (98 + a0 <= 0 && (((42 + a4 <= 0 && 5 <= a2) && 195721 < a29) || (((((0 <= 143 + a0 && 0 <= a29 + 14) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0) && 0 <= a29 + 192415)))) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((104 + a0 <= 0 && 43 < a29) && 42 + a4 <= 0) && 3 == a2)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && a0 + 147 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || (((89 + a4 <= 0 && a2 == 4) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || (((89 + a4 <= 0 && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2)) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2)) || (((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && 0 <= 600001 + a29)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && a0 + 61 <= 0)) || (((a2 == 1 && a4 + 86 <= 0) && a29 + 401505 <= 0) && a0 + 61 <= 0)) || ((((0 < a0 + 61 && 5 <= a2) && a4 + 86 <= 0) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || ((0 <= a29 + 14 && 89 + a4 <= 0) && 5 <= a2)) || ((((0 <= 97 + a0 && a4 + 86 <= 0) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= 600001 + a29) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= 600001 + a29)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 5 <= a2) && a29 + 173705 <= 0) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || ((((0 < a0 + 61 && 0 <= a29 + 14) && a29 <= 42) && a4 + 86 <= 0) && a2 == 4)) || ((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 <= 97 + a0 && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || (((((104 + a0 <= 0 && 0 <= 143 + a0) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || (((89 + a4 <= 0 && a29 <= 42) && a2 == 4) && 0 <= a29 + 192415)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 44 <= a29) && a2 == 4)) || ((((((0 <= 143 + a0 && 42 + a4 <= 0) && a0 + 99 <= 0) && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((2 == a2 && 89 + a4 <= 0) && 0 <= a29 + 192415)) || (((((0 < a0 + 61 && 2 == a2) && a4 + 86 <= 0) && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && a29 + 127 <= 0)) || (((0 < a0 + 61 && 2 == a2) && 44 <= a29) && a4 + 86 <= 0)) || ((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || (98 + a0 <= 0 && (((42 + a4 <= 0 && 5 <= a2) && 195721 < a29) || (((((0 <= 143 + a0 && 0 <= a29 + 14) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0) && 0 <= a29 + 192415)))) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 44 <= a29) && 3 == a2)) || (((a2 == 1 && a4 + 86 <= 0) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && a29 + 127 <= 0)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && a0 + 147 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || (((89 + a4 <= 0 && a2 == 4) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || (((89 + a4 <= 0 && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2)) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2)) || (((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && 0 <= 600001 + a29)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 < a0 + 61 && 5 <= a2) && a4 + 86 <= 0) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || ((0 <= a29 + 14 && 89 + a4 <= 0) && 5 <= a2)) || (((0 <= 97 + a0 && a4 + 86 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 192415)) || ((((0 <= 97 + a0 && a4 + 86 <= 0) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= 600001 + a29) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= 600001 + a29)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 5 <= a2) && a29 + 173705 <= 0) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || ((((0 < a0 + 61 && 0 <= a29 + 14) && a29 <= 42) && a4 + 86 <= 0) && a2 == 4)) || ((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 <= 97 + a0 && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || (((((104 + a0 <= 0 && 0 <= 143 + a0) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || (((89 + a4 <= 0 && a29 <= 42) && a2 == 4) && 0 <= a29 + 192415)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 44 <= a29) && a2 == 4)) || ((((((0 <= 143 + a0 && 42 + a4 <= 0) && a0 + 99 <= 0) && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((2 == a2 && 89 + a4 <= 0) && 0 <= a29 + 192415)) || (((((0 < a0 + 61 && 2 == a2) && a4 + 86 <= 0) && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && a29 + 127 <= 0)) || (((0 < a0 + 61 && 2 == a2) && 44 <= a29) && a4 + 86 <= 0)) || ((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || (98 + a0 <= 0 && (((42 + a4 <= 0 && 5 <= a2) && 195721 < a29) || (((((0 <= 143 + a0 && 0 <= a29 + 14) && 42 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0) && 0 <= a29 + 192415)))) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 44 <= a29) && 3 == a2)) || (((a2 == 1 && a4 + 86 <= 0) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && a29 + 127 <= 0)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && a0 + 147 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || (((89 + a4 <= 0 && a2 == 4) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || (((89 + a4 <= 0 && 0 <= 600001 + a29) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2)) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2)) || (((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && 0 <= 600001 + a29)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 < a0 + 61 && 5 <= a2) && a4 + 86 <= 0) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 0 <= a29 + 192415)) || ((0 <= a29 + 14 && 89 + a4 <= 0) && 5 <= a2)) || (((0 <= 97 + a0 && a4 + 86 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 192415)) || ((((0 <= 97 + a0 && a4 + 86 <= 0) && ((0 < a4 + 86 || 0 < a29 + 16) || a29 + 144 <= 0)) && 3 == a2) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= 600001 + a29) RESULT: Ultimate proved your program to be correct! [2021-10-28 09:42:31,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff961f1b-36f1-4c8b-8ba8-9fc994aa9158/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...