./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label48.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_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label48.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD --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 3f14d4f9bc9aeaf37fb25f1f86f7bc3a3a5a6ca0e3e96922bca4446f4d37ab9f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:55:05,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:55:05,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:55:05,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:55:05,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:55:05,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:55:05,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:55:05,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:55:05,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:55:05,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:55:05,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:55:05,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:55:05,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:55:05,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:55:05,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:55:05,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:55:05,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:55:05,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:55:05,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:55:05,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:55:05,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:55:05,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:55:05,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:55:05,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:55:05,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:55:05,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:55:05,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:55:05,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:55:05,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:55:05,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:55:05,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:55:05,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:55:05,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:55:05,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:55:05,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:55:05,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:55:05,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:55:05,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:55:05,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:55:05,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:55:05,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:55:05,346 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:55:05,394 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:55:05,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:55:05,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:55:05,395 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:55:05,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:55:05,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:55:05,397 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:55:05,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:55:05,398 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:55:05,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:55:05,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:55:05,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:55:05,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:55:05,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:55:05,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:55:05,400 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:55:05,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:55:05,400 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:55:05,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:55:05,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:55:05,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:55:05,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:55:05,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:55:05,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:55:05,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:55:05,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:55:05,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:55:05,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:55:05,403 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:55:05,404 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:55:05,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:55:05,404 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:55:05,405 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_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f14d4f9bc9aeaf37fb25f1f86f7bc3a3a5a6ca0e3e96922bca4446f4d37ab9f [2021-10-28 23:55:05,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:55:05,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:55:05,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:55:05,787 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:55:05,788 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:55:05,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem03_label48.c [2021-10-28 23:55:05,867 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/data/1640bc0fa/50f45f5423bf4d8a85bf6d7796c2bf9c/FLAGc15389ac8 [2021-10-28 23:55:06,749 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:55:06,751 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/sv-benchmarks/c/eca-rers2012/Problem03_label48.c [2021-10-28 23:55:06,786 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/data/1640bc0fa/50f45f5423bf4d8a85bf6d7796c2bf9c/FLAGc15389ac8 [2021-10-28 23:55:06,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/data/1640bc0fa/50f45f5423bf4d8a85bf6d7796c2bf9c [2021-10-28 23:55:06,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:55:06,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:55:06,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:55:06,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:55:06,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:55:06,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:55:06" (1/1) ... [2021-10-28 23:55:06,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aaf9929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:06, skipping insertion in model container [2021-10-28 23:55:06,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:55:06" (1/1) ... [2021-10-28 23:55:06,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:55:06,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:55:07,914 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_181fef31-679d-4956-b267-35cd06f98bcf/sv-benchmarks/c/eca-rers2012/Problem03_label48.c[58935,58948] [2021-10-28 23:55:07,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:55:07,983 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:55:08,444 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_181fef31-679d-4956-b267-35cd06f98bcf/sv-benchmarks/c/eca-rers2012/Problem03_label48.c[58935,58948] [2021-10-28 23:55:08,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:55:08,482 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:55:08,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:08 WrapperNode [2021-10-28 23:55:08,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:55:08,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:55:08,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:55:08,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:55:08,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:08" (1/1) ... [2021-10-28 23:55:08,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:08" (1/1) ... [2021-10-28 23:55:08,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:55:08,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:55:08,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:55:08,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:55:08,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:08" (1/1) ... [2021-10-28 23:55:08,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:08" (1/1) ... [2021-10-28 23:55:08,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:08" (1/1) ... [2021-10-28 23:55:08,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:08" (1/1) ... [2021-10-28 23:55:08,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:08" (1/1) ... [2021-10-28 23:55:08,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:08" (1/1) ... [2021-10-28 23:55:08,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:08" (1/1) ... [2021-10-28 23:55:08,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:55:08,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:55:08,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:55:08,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:55:08,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:08" (1/1) ... [2021-10-28 23:55:08,900 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:55:08,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:08,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:08,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:55:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:55:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:55:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:55:09,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:55:11,586 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:55:11,586 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:55:11,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:55:11 BoogieIcfgContainer [2021-10-28 23:55:11,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:55:11,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:55:11,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:55:11,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:55:11,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:55:06" (1/3) ... [2021-10-28 23:55:11,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a37d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:55:11, skipping insertion in model container [2021-10-28 23:55:11,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:08" (2/3) ... [2021-10-28 23:55:11,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a37d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:55:11, skipping insertion in model container [2021-10-28 23:55:11,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:55:11" (3/3) ... [2021-10-28 23:55:11,601 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label48.c [2021-10-28 23:55:11,609 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:55:11,609 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:55:11,679 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:55:11,688 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 23:55:11,688 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:55:11,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 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 23:55:11,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-10-28 23:55:11,740 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:11,742 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:11,742 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:11,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:11,750 INFO L85 PathProgramCache]: Analyzing trace with hash -819677325, now seen corresponding path program 1 times [2021-10-28 23:55:11,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:11,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370923187] [2021-10-28 23:55:11,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:11,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:12,671 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 23:55:12,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:12,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370923187] [2021-10-28 23:55:12,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370923187] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:12,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:12,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:55:12,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863917702] [2021-10-28 23:55:12,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:12,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:12,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:12,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:12,726 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 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 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 0 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 23:55:14,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:14,416 INFO L93 Difference]: Finished difference Result 860 states and 1507 transitions. [2021-10-28 23:55:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:14,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 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 183 [2021-10-28 23:55:14,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:14,457 INFO L225 Difference]: With dead ends: 860 [2021-10-28 23:55:14,458 INFO L226 Difference]: Without dead ends: 465 [2021-10-28 23:55:14,470 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 23:55:14,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2021-10-28 23:55:14,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 459. [2021-10-28 23:55:14,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.556768558951965) internal successors, (713), 458 states have internal predecessors, (713), 0 states have call successors, (0), 0 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 23:55:14,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 713 transitions. [2021-10-28 23:55:14,581 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 713 transitions. Word has length 183 [2021-10-28 23:55:14,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:14,583 INFO L470 AbstractCegarLoop]: Abstraction has 459 states and 713 transitions. [2021-10-28 23:55:14,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 0 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 23:55:14,584 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 713 transitions. [2021-10-28 23:55:14,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-10-28 23:55:14,591 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:14,592 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 23:55:14,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:55:14,592 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:14,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:14,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1598798580, now seen corresponding path program 1 times [2021-10-28 23:55:14,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:14,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817376367] [2021-10-28 23:55:14,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:14,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:14,707 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:14,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:14,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817376367] [2021-10-28 23:55:14,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817376367] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:14,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:14,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:55:14,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516152436] [2021-10-28 23:55:14,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:14,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:14,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:14,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:14,714 INFO L87 Difference]: Start difference. First operand 459 states and 713 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 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 23:55:15,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:15,976 INFO L93 Difference]: Finished difference Result 1343 states and 2102 transitions. [2021-10-28 23:55:15,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:15,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2021-10-28 23:55:15,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:15,984 INFO L225 Difference]: With dead ends: 1343 [2021-10-28 23:55:15,985 INFO L226 Difference]: Without dead ends: 886 [2021-10-28 23:55:15,987 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 23:55:15,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2021-10-28 23:55:16,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 868. [2021-10-28 23:55:16,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 867 states have (on average 1.5340253748558246) internal successors, (1330), 867 states have internal predecessors, (1330), 0 states have call successors, (0), 0 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 23:55:16,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1330 transitions. [2021-10-28 23:55:16,054 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1330 transitions. Word has length 191 [2021-10-28 23:55:16,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:16,057 INFO L470 AbstractCegarLoop]: Abstraction has 868 states and 1330 transitions. [2021-10-28 23:55:16,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 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 23:55:16,057 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1330 transitions. [2021-10-28 23:55:16,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-10-28 23:55:16,073 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:16,075 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 23:55:16,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:55:16,076 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:16,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:16,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1173366829, now seen corresponding path program 1 times [2021-10-28 23:55:16,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:16,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901206022] [2021-10-28 23:55:16,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:16,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:16,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:16,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901206022] [2021-10-28 23:55:16,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901206022] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:16,272 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:16,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:55:16,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11761111] [2021-10-28 23:55:16,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:16,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:16,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:16,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:16,276 INFO L87 Difference]: Start difference. First operand 868 states and 1330 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 0 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 23:55:17,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:17,411 INFO L93 Difference]: Finished difference Result 2573 states and 3946 transitions. [2021-10-28 23:55:17,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:17,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2021-10-28 23:55:17,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:17,425 INFO L225 Difference]: With dead ends: 2573 [2021-10-28 23:55:17,425 INFO L226 Difference]: Without dead ends: 1707 [2021-10-28 23:55:17,427 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 23:55:17,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2021-10-28 23:55:17,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1704. [2021-10-28 23:55:17,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1704 states, 1703 states have (on average 1.4486200822078685) internal successors, (2467), 1703 states have internal predecessors, (2467), 0 states have call successors, (0), 0 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 23:55:17,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2467 transitions. [2021-10-28 23:55:17,493 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2467 transitions. Word has length 192 [2021-10-28 23:55:17,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:17,494 INFO L470 AbstractCegarLoop]: Abstraction has 1704 states and 2467 transitions. [2021-10-28 23:55:17,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 0 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 23:55:17,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2467 transitions. [2021-10-28 23:55:17,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-10-28 23:55:17,501 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:17,501 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 23:55:17,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:55:17,502 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:17,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:17,503 INFO L85 PathProgramCache]: Analyzing trace with hash -531252135, now seen corresponding path program 1 times [2021-10-28 23:55:17,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:17,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994118524] [2021-10-28 23:55:17,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:17,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:17,639 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:17,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:17,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994118524] [2021-10-28 23:55:17,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994118524] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:17,646 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:17,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:55:17,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366916600] [2021-10-28 23:55:17,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:17,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:17,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:17,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:17,649 INFO L87 Difference]: Start difference. First operand 1704 states and 2467 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:18,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:18,984 INFO L93 Difference]: Finished difference Result 4238 states and 6117 transitions. [2021-10-28 23:55:18,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:18,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2021-10-28 23:55:18,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:19,004 INFO L225 Difference]: With dead ends: 4238 [2021-10-28 23:55:19,004 INFO L226 Difference]: Without dead ends: 2536 [2021-10-28 23:55:19,014 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 23:55:19,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2536 states. [2021-10-28 23:55:19,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2536 to 2535. [2021-10-28 23:55:19,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2535 states, 2534 states have (on average 1.4183109707971586) internal successors, (3594), 2534 states have internal predecessors, (3594), 0 states have call successors, (0), 0 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 23:55:19,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2535 states and 3594 transitions. [2021-10-28 23:55:19,109 INFO L78 Accepts]: Start accepts. Automaton has 2535 states and 3594 transitions. Word has length 193 [2021-10-28 23:55:19,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:19,110 INFO L470 AbstractCegarLoop]: Abstraction has 2535 states and 3594 transitions. [2021-10-28 23:55:19,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:19,110 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 3594 transitions. [2021-10-28 23:55:19,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-10-28 23:55:19,119 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:19,120 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:19,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:55:19,121 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:19,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:19,123 INFO L85 PathProgramCache]: Analyzing trace with hash -73581847, now seen corresponding path program 1 times [2021-10-28 23:55:19,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:19,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737367250] [2021-10-28 23:55:19,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:19,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:19,579 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:55:19,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:19,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737367250] [2021-10-28 23:55:19,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737367250] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:19,580 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:19,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:19,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986629748] [2021-10-28 23:55:19,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:55:19,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:19,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:55:19,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:55:19,585 INFO L87 Difference]: Start difference. First operand 2535 states and 3594 transitions. Second operand has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:21,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:21,077 INFO L93 Difference]: Finished difference Result 5382 states and 7712 transitions. [2021-10-28 23:55:21,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:55:21,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 198 [2021-10-28 23:55:21,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:21,099 INFO L225 Difference]: With dead ends: 5382 [2021-10-28 23:55:21,100 INFO L226 Difference]: Without dead ends: 2501 [2021-10-28 23:55:21,105 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 23:55:21,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2021-10-28 23:55:21,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 2501. [2021-10-28 23:55:21,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2501 states, 2500 states have (on average 1.3132) internal successors, (3283), 2500 states have internal predecessors, (3283), 0 states have call successors, (0), 0 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 23:55:21,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2501 states and 3283 transitions. [2021-10-28 23:55:21,199 INFO L78 Accepts]: Start accepts. Automaton has 2501 states and 3283 transitions. Word has length 198 [2021-10-28 23:55:21,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:21,200 INFO L470 AbstractCegarLoop]: Abstraction has 2501 states and 3283 transitions. [2021-10-28 23:55:21,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 3283 transitions. [2021-10-28 23:55:21,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-10-28 23:55:21,211 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:21,211 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:21,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:55:21,212 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:21,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:21,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1371073778, now seen corresponding path program 1 times [2021-10-28 23:55:21,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:21,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970536118] [2021-10-28 23:55:21,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:21,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:21,329 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:55:21,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:21,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970536118] [2021-10-28 23:55:21,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970536118] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:21,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:21,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:55:21,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921623824] [2021-10-28 23:55:21,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:21,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:21,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:21,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:21,339 INFO L87 Difference]: Start difference. First operand 2501 states and 3283 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 0 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 23:55:22,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:22,480 INFO L93 Difference]: Finished difference Result 7437 states and 9760 transitions. [2021-10-28 23:55:22,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:22,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 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 200 [2021-10-28 23:55:22,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:22,529 INFO L225 Difference]: With dead ends: 7437 [2021-10-28 23:55:22,529 INFO L226 Difference]: Without dead ends: 4938 [2021-10-28 23:55:22,534 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 23:55:22,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4938 states. [2021-10-28 23:55:22,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4938 to 4125. [2021-10-28 23:55:22,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4125 states, 4124 states have (on average 1.2257516973811833) internal successors, (5055), 4124 states have internal predecessors, (5055), 0 states have call successors, (0), 0 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 23:55:22,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 4125 states and 5055 transitions. [2021-10-28 23:55:22,680 INFO L78 Accepts]: Start accepts. Automaton has 4125 states and 5055 transitions. Word has length 200 [2021-10-28 23:55:22,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:22,680 INFO L470 AbstractCegarLoop]: Abstraction has 4125 states and 5055 transitions. [2021-10-28 23:55:22,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 0 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 23:55:22,681 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 5055 transitions. [2021-10-28 23:55:22,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-10-28 23:55:22,691 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:22,692 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:22,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:55:22,692 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:22,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:22,693 INFO L85 PathProgramCache]: Analyzing trace with hash 673023940, now seen corresponding path program 1 times [2021-10-28 23:55:22,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:22,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039540208] [2021-10-28 23:55:22,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:22,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:23,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:23,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039540208] [2021-10-28 23:55:23,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039540208] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:23,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:23,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:23,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784652736] [2021-10-28 23:55:23,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:55:23,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:23,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:55:23,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:55:23,112 INFO L87 Difference]: Start difference. First operand 4125 states and 5055 transitions. Second operand has 4 states, 4 states have (on average 53.5) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 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 23:55:24,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:24,738 INFO L93 Difference]: Finished difference Result 10239 states and 12504 transitions. [2021-10-28 23:55:24,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:55:24,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 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 214 [2021-10-28 23:55:24,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:24,786 INFO L225 Difference]: With dead ends: 10239 [2021-10-28 23:55:24,787 INFO L226 Difference]: Without dead ends: 5768 [2021-10-28 23:55:24,794 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 23:55:24,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5768 states. [2021-10-28 23:55:24,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5768 to 5767. [2021-10-28 23:55:24,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5767 states, 5766 states have (on average 1.2131460284425946) internal successors, (6995), 5766 states have internal predecessors, (6995), 0 states have call successors, (0), 0 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 23:55:24,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5767 states to 5767 states and 6995 transitions. [2021-10-28 23:55:24,970 INFO L78 Accepts]: Start accepts. Automaton has 5767 states and 6995 transitions. Word has length 214 [2021-10-28 23:55:24,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:24,972 INFO L470 AbstractCegarLoop]: Abstraction has 5767 states and 6995 transitions. [2021-10-28 23:55:24,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 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 23:55:24,973 INFO L276 IsEmpty]: Start isEmpty. Operand 5767 states and 6995 transitions. [2021-10-28 23:55:24,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-10-28 23:55:24,986 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:24,986 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:24,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:55:24,987 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:24,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:24,988 INFO L85 PathProgramCache]: Analyzing trace with hash 873129007, now seen corresponding path program 1 times [2021-10-28 23:55:24,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:24,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440414262] [2021-10-28 23:55:24,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:24,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:25,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:25,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440414262] [2021-10-28 23:55:25,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440414262] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:25,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514125493] [2021-10-28 23:55:25,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:25,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:25,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:25,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:25,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:55:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:25,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:55:25,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:26,354 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-10-28 23:55:26,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514125493] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:26,355 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:55:26,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:55:26,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413342806] [2021-10-28 23:55:26,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:26,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:26,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:26,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:26,358 INFO L87 Difference]: Start difference. First operand 5767 states and 6995 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 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 23:55:27,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:27,466 INFO L93 Difference]: Finished difference Result 11545 states and 14012 transitions. [2021-10-28 23:55:27,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:27,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 221 [2021-10-28 23:55:27,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:27,508 INFO L225 Difference]: With dead ends: 11545 [2021-10-28 23:55:27,508 INFO L226 Difference]: Without dead ends: 5780 [2021-10-28 23:55:27,516 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:27,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5780 states. [2021-10-28 23:55:27,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5780 to 5767. [2021-10-28 23:55:27,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5767 states, 5766 states have (on average 1.2025667707249392) internal successors, (6934), 5766 states have internal predecessors, (6934), 0 states have call successors, (0), 0 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 23:55:27,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5767 states to 5767 states and 6934 transitions. [2021-10-28 23:55:27,680 INFO L78 Accepts]: Start accepts. Automaton has 5767 states and 6934 transitions. Word has length 221 [2021-10-28 23:55:27,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:27,681 INFO L470 AbstractCegarLoop]: Abstraction has 5767 states and 6934 transitions. [2021-10-28 23:55:27,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 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 23:55:27,681 INFO L276 IsEmpty]: Start isEmpty. Operand 5767 states and 6934 transitions. [2021-10-28 23:55:27,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-10-28 23:55:27,693 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:27,693 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:27,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:27,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:27,909 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:27,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:27,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1329101946, now seen corresponding path program 1 times [2021-10-28 23:55:27,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:27,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057586248] [2021-10-28 23:55:27,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:27,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:28,100 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-28 23:55:28,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:28,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057586248] [2021-10-28 23:55:28,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057586248] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:28,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324957679] [2021-10-28 23:55:28,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:28,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:28,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:28,104 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:28,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:55:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:28,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:55:28,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:29,325 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-28 23:55:29,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324957679] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:29,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:55:29,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:55:29,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418628508] [2021-10-28 23:55:29,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:29,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:29,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:29,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:29,329 INFO L87 Difference]: Start difference. First operand 5767 states and 6934 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 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 23:55:30,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:30,319 INFO L93 Difference]: Finished difference Result 17219 states and 20690 transitions. [2021-10-28 23:55:30,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:30,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 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 233 [2021-10-28 23:55:30,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:30,368 INFO L225 Difference]: With dead ends: 17219 [2021-10-28 23:55:30,369 INFO L226 Difference]: Without dead ends: 11454 [2021-10-28 23:55:30,378 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:30,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11454 states. [2021-10-28 23:55:30,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11454 to 11451. [2021-10-28 23:55:30,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11451 states, 11450 states have (on average 1.1317903930131004) internal successors, (12959), 11450 states have internal predecessors, (12959), 0 states have call successors, (0), 0 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 23:55:30,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11451 states to 11451 states and 12959 transitions. [2021-10-28 23:55:30,740 INFO L78 Accepts]: Start accepts. Automaton has 11451 states and 12959 transitions. Word has length 233 [2021-10-28 23:55:30,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:30,741 INFO L470 AbstractCegarLoop]: Abstraction has 11451 states and 12959 transitions. [2021-10-28 23:55:30,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 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 23:55:30,742 INFO L276 IsEmpty]: Start isEmpty. Operand 11451 states and 12959 transitions. [2021-10-28 23:55:30,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-10-28 23:55:30,766 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:30,766 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, 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] [2021-10-28 23:55:30,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:30,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:30,988 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:30,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:30,989 INFO L85 PathProgramCache]: Analyzing trace with hash 768090626, now seen corresponding path program 1 times [2021-10-28 23:55:30,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:30,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664072125] [2021-10-28 23:55:30,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:30,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:31,165 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:31,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:31,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664072125] [2021-10-28 23:55:31,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664072125] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:31,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:31,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:55:31,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200849140] [2021-10-28 23:55:31,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:31,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:31,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:31,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:31,171 INFO L87 Difference]: Start difference. First operand 11451 states and 12959 transitions. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 2 states have internal predecessors, (246), 0 states have call successors, (0), 0 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 23:55:32,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:32,148 INFO L93 Difference]: Finished difference Result 27399 states and 30903 transitions. [2021-10-28 23:55:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:32,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 2 states have internal predecessors, (246), 0 states have call successors, (0), 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 246 [2021-10-28 23:55:32,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:32,189 INFO L225 Difference]: With dead ends: 27399 [2021-10-28 23:55:32,190 INFO L226 Difference]: Without dead ends: 15950 [2021-10-28 23:55:32,208 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 23:55:32,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15950 states. [2021-10-28 23:55:32,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15950 to 15944. [2021-10-28 23:55:32,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15944 states, 15943 states have (on average 1.1214953271028036) internal successors, (17880), 15943 states have internal predecessors, (17880), 0 states have call successors, (0), 0 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 23:55:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15944 states to 15944 states and 17880 transitions. [2021-10-28 23:55:32,753 INFO L78 Accepts]: Start accepts. Automaton has 15944 states and 17880 transitions. Word has length 246 [2021-10-28 23:55:32,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:32,754 INFO L470 AbstractCegarLoop]: Abstraction has 15944 states and 17880 transitions. [2021-10-28 23:55:32,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 2 states have internal predecessors, (246), 0 states have call successors, (0), 0 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 23:55:32,754 INFO L276 IsEmpty]: Start isEmpty. Operand 15944 states and 17880 transitions. [2021-10-28 23:55:32,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-28 23:55:32,781 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:32,781 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:32,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:55:32,782 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:32,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:32,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1718686317, now seen corresponding path program 1 times [2021-10-28 23:55:32,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:32,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304825381] [2021-10-28 23:55:32,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:32,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:32,959 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:32,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:32,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304825381] [2021-10-28 23:55:32,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304825381] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:32,960 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:32,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:32,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294400872] [2021-10-28 23:55:32,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:55:32,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:32,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:55:32,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:55:32,963 INFO L87 Difference]: Start difference. First operand 15944 states and 17880 transitions. Second operand has 4 states, 4 states have (on average 63.25) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 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 23:55:34,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:34,736 INFO L93 Difference]: Finished difference Result 43517 states and 48797 transitions. [2021-10-28 23:55:34,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:55:34,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 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 253 [2021-10-28 23:55:34,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:34,818 INFO L225 Difference]: With dead ends: 43517 [2021-10-28 23:55:34,818 INFO L226 Difference]: Without dead ends: 27575 [2021-10-28 23:55:34,852 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 23:55:34,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27575 states. [2021-10-28 23:55:35,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27575 to 27567. [2021-10-28 23:55:35,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27567 states, 27566 states have (on average 1.1042588696219982) internal successors, (30440), 27566 states have internal predecessors, (30440), 0 states have call successors, (0), 0 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 23:55:35,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27567 states to 27567 states and 30440 transitions. [2021-10-28 23:55:35,805 INFO L78 Accepts]: Start accepts. Automaton has 27567 states and 30440 transitions. Word has length 253 [2021-10-28 23:55:35,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:35,806 INFO L470 AbstractCegarLoop]: Abstraction has 27567 states and 30440 transitions. [2021-10-28 23:55:35,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 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 23:55:35,806 INFO L276 IsEmpty]: Start isEmpty. Operand 27567 states and 30440 transitions. [2021-10-28 23:55:35,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-10-28 23:55:35,854 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:35,854 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:35,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 23:55:35,855 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:35,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:35,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1369923191, now seen corresponding path program 1 times [2021-10-28 23:55:35,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:35,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115040714] [2021-10-28 23:55:35,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:35,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:36,086 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 107 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:36,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:36,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115040714] [2021-10-28 23:55:36,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115040714] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:36,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491008440] [2021-10-28 23:55:36,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:36,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:36,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:36,090 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:36,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 23:55:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:36,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:55:36,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:37,620 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-28 23:55:37,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491008440] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:37,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:55:37,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:55:37,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305915627] [2021-10-28 23:55:37,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:37,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:37,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:37,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:37,623 INFO L87 Difference]: Start difference. First operand 27567 states and 30440 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 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 23:55:38,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:38,889 INFO L93 Difference]: Finished difference Result 57368 states and 63747 transitions. [2021-10-28 23:55:38,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:38,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 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 291 [2021-10-28 23:55:38,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:38,948 INFO L225 Difference]: With dead ends: 57368 [2021-10-28 23:55:38,948 INFO L226 Difference]: Without dead ends: 29803 [2021-10-28 23:55:38,973 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:39,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29803 states. [2021-10-28 23:55:39,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29803 to 29800. [2021-10-28 23:55:39,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29800 states, 29799 states have (on average 1.1100372495721333) internal successors, (33078), 29799 states have internal predecessors, (33078), 0 states have call successors, (0), 0 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 23:55:39,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29800 states to 29800 states and 33078 transitions. [2021-10-28 23:55:39,940 INFO L78 Accepts]: Start accepts. Automaton has 29800 states and 33078 transitions. Word has length 291 [2021-10-28 23:55:39,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:39,942 INFO L470 AbstractCegarLoop]: Abstraction has 29800 states and 33078 transitions. [2021-10-28 23:55:39,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 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 23:55:39,942 INFO L276 IsEmpty]: Start isEmpty. Operand 29800 states and 33078 transitions. [2021-10-28 23:55:39,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-10-28 23:55:39,988 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:39,988 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:40,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:40,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-28 23:55:40,204 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:40,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:40,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1931701254, now seen corresponding path program 1 times [2021-10-28 23:55:40,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:40,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590425795] [2021-10-28 23:55:40,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:40,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:40,394 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-28 23:55:40,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:40,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590425795] [2021-10-28 23:55:40,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590425795] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:40,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:40,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:40,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637038787] [2021-10-28 23:55:40,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:40,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:40,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:40,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:40,402 INFO L87 Difference]: Start difference. First operand 29800 states and 33078 transitions. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 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 23:55:41,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:41,573 INFO L93 Difference]: Finished difference Result 57733 states and 64107 transitions. [2021-10-28 23:55:41,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:41,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 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 310 [2021-10-28 23:55:41,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:41,798 INFO L225 Difference]: With dead ends: 57733 [2021-10-28 23:55:41,798 INFO L226 Difference]: Without dead ends: 27934 [2021-10-28 23:55:41,811 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 23:55:41,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27934 states. [2021-10-28 23:55:42,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27934 to 27527. [2021-10-28 23:55:42,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27527 states, 27526 states have (on average 1.0890067572476931) internal successors, (29976), 27526 states have internal predecessors, (29976), 0 states have call successors, (0), 0 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 23:55:42,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27527 states to 27527 states and 29976 transitions. [2021-10-28 23:55:42,656 INFO L78 Accepts]: Start accepts. Automaton has 27527 states and 29976 transitions. Word has length 310 [2021-10-28 23:55:42,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:42,657 INFO L470 AbstractCegarLoop]: Abstraction has 27527 states and 29976 transitions. [2021-10-28 23:55:42,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 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 23:55:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand 27527 states and 29976 transitions. [2021-10-28 23:55:42,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-10-28 23:55:42,686 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:42,686 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:42,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 23:55:42,687 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:42,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:42,688 INFO L85 PathProgramCache]: Analyzing trace with hash -17613274, now seen corresponding path program 1 times [2021-10-28 23:55:42,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:42,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931509427] [2021-10-28 23:55:42,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:42,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:43,087 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 160 proven. 11 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-28 23:55:43,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:43,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931509427] [2021-10-28 23:55:43,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931509427] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:43,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498806585] [2021-10-28 23:55:43,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:43,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:43,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:43,092 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:43,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 23:55:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:43,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:55:43,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-10-28 23:55:44,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498806585] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:44,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:55:44,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:55:44,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634104556] [2021-10-28 23:55:44,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:44,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:44,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:44,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:44,740 INFO L87 Difference]: Start difference. First operand 27527 states and 29976 transitions. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 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 23:55:45,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:45,955 INFO L93 Difference]: Finished difference Result 75568 states and 82198 transitions. [2021-10-28 23:55:45,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:45,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 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 333 [2021-10-28 23:55:45,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:46,043 INFO L225 Difference]: With dead ends: 75568 [2021-10-28 23:55:46,044 INFO L226 Difference]: Without dead ends: 48043 [2021-10-28 23:55:46,062 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:46,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48043 states. [2021-10-28 23:55:46,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48043 to 44792. [2021-10-28 23:55:46,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44792 states, 44791 states have (on average 1.0809984148601282) internal successors, (48419), 44791 states have internal predecessors, (48419), 0 states have call successors, (0), 0 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 23:55:47,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44792 states to 44792 states and 48419 transitions. [2021-10-28 23:55:47,078 INFO L78 Accepts]: Start accepts. Automaton has 44792 states and 48419 transitions. Word has length 333 [2021-10-28 23:55:47,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:47,079 INFO L470 AbstractCegarLoop]: Abstraction has 44792 states and 48419 transitions. [2021-10-28 23:55:47,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 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 23:55:47,079 INFO L276 IsEmpty]: Start isEmpty. Operand 44792 states and 48419 transitions. [2021-10-28 23:55:47,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-10-28 23:55:47,130 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:47,131 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:47,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-10-28 23:55:47,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-28 23:55:47,356 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:47,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:47,357 INFO L85 PathProgramCache]: Analyzing trace with hash 703275116, now seen corresponding path program 1 times [2021-10-28 23:55:47,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:47,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392963734] [2021-10-28 23:55:47,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:47,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:47,603 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-28 23:55:47,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:47,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392963734] [2021-10-28 23:55:47,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392963734] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:47,605 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:47,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:47,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890493693] [2021-10-28 23:55:47,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:47,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:47,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:47,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:47,608 INFO L87 Difference]: Start difference. First operand 44792 states and 48419 transitions. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 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 23:55:48,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:48,928 INFO L93 Difference]: Finished difference Result 88548 states and 95689 transitions. [2021-10-28 23:55:48,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:48,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 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 348 [2021-10-28 23:55:48,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:49,004 INFO L225 Difference]: With dead ends: 88548 [2021-10-28 23:55:49,004 INFO L226 Difference]: Without dead ends: 43758 [2021-10-28 23:55:49,032 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 23:55:49,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43758 states. [2021-10-28 23:55:49,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43758 to 42131. [2021-10-28 23:55:49,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42131 states, 42130 states have (on average 1.0627106574887253) internal successors, (44772), 42130 states have internal predecessors, (44772), 0 states have call successors, (0), 0 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 23:55:50,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42131 states to 42131 states and 44772 transitions. [2021-10-28 23:55:50,063 INFO L78 Accepts]: Start accepts. Automaton has 42131 states and 44772 transitions. Word has length 348 [2021-10-28 23:55:50,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:50,064 INFO L470 AbstractCegarLoop]: Abstraction has 42131 states and 44772 transitions. [2021-10-28 23:55:50,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 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 23:55:50,065 INFO L276 IsEmpty]: Start isEmpty. Operand 42131 states and 44772 transitions. [2021-10-28 23:55:50,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2021-10-28 23:55:50,355 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:50,356 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:50,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 23:55:50,356 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:50,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:50,359 INFO L85 PathProgramCache]: Analyzing trace with hash 212231778, now seen corresponding path program 1 times [2021-10-28 23:55:50,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:50,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329136192] [2021-10-28 23:55:50,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:50,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:50,592 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 194 proven. 11 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-10-28 23:55:50,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:50,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329136192] [2021-10-28 23:55:50,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329136192] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:50,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057378590] [2021-10-28 23:55:50,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:50,594 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:50,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,596 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 23:55:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:51,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:55:51,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:52,252 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 23:55:52,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057378590] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:52,252 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:55:52,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:55:52,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251286837] [2021-10-28 23:55:52,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:52,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:52,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:52,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:52,254 INFO L87 Difference]: Start difference. First operand 42131 states and 44772 transitions. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 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 23:55:53,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:53,398 INFO L93 Difference]: Finished difference Result 79375 states and 84179 transitions. [2021-10-28 23:55:53,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:53,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 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 367 [2021-10-28 23:55:53,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:53,449 INFO L225 Difference]: With dead ends: 79375 [2021-10-28 23:55:53,449 INFO L226 Difference]: Without dead ends: 37246 [2021-10-28 23:55:53,473 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:53,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37246 states. [2021-10-28 23:55:54,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37246 to 37242. [2021-10-28 23:55:54,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37242 states, 37241 states have (on average 1.0530866518084907) internal successors, (39218), 37241 states have internal predecessors, (39218), 0 states have call successors, (0), 0 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 23:55:54,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37242 states to 37242 states and 39218 transitions. [2021-10-28 23:55:54,167 INFO L78 Accepts]: Start accepts. Automaton has 37242 states and 39218 transitions. Word has length 367 [2021-10-28 23:55:54,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:54,167 INFO L470 AbstractCegarLoop]: Abstraction has 37242 states and 39218 transitions. [2021-10-28 23:55:54,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 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 23:55:54,167 INFO L276 IsEmpty]: Start isEmpty. Operand 37242 states and 39218 transitions. [2021-10-28 23:55:54,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-10-28 23:55:54,196 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:54,197 INFO L513 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:55:54,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:54,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-28 23:55:54,398 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:54,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:54,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1161269189, now seen corresponding path program 1 times [2021-10-28 23:55:54,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:54,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294261562] [2021-10-28 23:55:54,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:54,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:54,668 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 211 proven. 11 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-10-28 23:55:54,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:54,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294261562] [2021-10-28 23:55:54,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294261562] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:54,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906966135] [2021-10-28 23:55:54,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:54,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:54,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:54,672 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:54,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 23:55:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:55,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:55:55,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:57,055 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-28 23:55:57,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906966135] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:57,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:55:57,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:55:57,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989320272] [2021-10-28 23:55:57,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:57,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:57,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:57,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:57,059 INFO L87 Difference]: Start difference. First operand 37242 states and 39218 transitions. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 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 23:55:58,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:58,485 INFO L93 Difference]: Finished difference Result 78341 states and 82563 transitions. [2021-10-28 23:55:58,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:58,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 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 373 [2021-10-28 23:55:58,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:58,536 INFO L225 Difference]: With dead ends: 78341 [2021-10-28 23:55:58,536 INFO L226 Difference]: Without dead ends: 41101 [2021-10-28 23:55:58,559 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:58,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41101 states. [2021-10-28 23:55:59,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41101 to 39475. [2021-10-28 23:55:59,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39475 states, 39474 states have (on average 1.0530982418807315) internal successors, (41570), 39474 states have internal predecessors, (41570), 0 states have call successors, (0), 0 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 23:55:59,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39475 states to 39475 states and 41570 transitions. [2021-10-28 23:55:59,532 INFO L78 Accepts]: Start accepts. Automaton has 39475 states and 41570 transitions. Word has length 373 [2021-10-28 23:55:59,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:59,533 INFO L470 AbstractCegarLoop]: Abstraction has 39475 states and 41570 transitions. [2021-10-28 23:55:59,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 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 23:55:59,534 INFO L276 IsEmpty]: Start isEmpty. Operand 39475 states and 41570 transitions. [2021-10-28 23:55:59,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-10-28 23:55:59,568 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:59,569 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:55:59,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-10-28 23:55:59,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-28 23:55:59,777 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:59,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:59,778 INFO L85 PathProgramCache]: Analyzing trace with hash -957708721, now seen corresponding path program 1 times [2021-10-28 23:55:59,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:59,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654934588] [2021-10-28 23:55:59,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:59,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:59,980 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-10-28 23:55:59,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:59,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654934588] [2021-10-28 23:55:59,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654934588] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:59,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:59,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:59,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748963354] [2021-10-28 23:55:59,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:55:59,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:59,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:55:59,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:55:59,984 INFO L87 Difference]: Start difference. First operand 39475 states and 41570 transitions. Second operand has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 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 23:56:01,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:01,556 INFO L93 Difference]: Finished difference Result 82413 states and 86828 transitions. [2021-10-28 23:56:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:56:01,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 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 386 [2021-10-28 23:56:01,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:01,603 INFO L225 Difference]: With dead ends: 82413 [2021-10-28 23:56:01,604 INFO L226 Difference]: Without dead ends: 42940 [2021-10-28 23:56:01,626 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 23:56:01,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42940 states. [2021-10-28 23:56:02,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42940 to 41102. [2021-10-28 23:56:02,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41102 states, 41101 states have (on average 1.0512882898226321) internal successors, (43209), 41101 states have internal predecessors, (43209), 0 states have call successors, (0), 0 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 23:56:02,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41102 states to 41102 states and 43209 transitions. [2021-10-28 23:56:02,537 INFO L78 Accepts]: Start accepts. Automaton has 41102 states and 43209 transitions. Word has length 386 [2021-10-28 23:56:02,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:02,538 INFO L470 AbstractCegarLoop]: Abstraction has 41102 states and 43209 transitions. [2021-10-28 23:56:02,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 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 23:56:02,538 INFO L276 IsEmpty]: Start isEmpty. Operand 41102 states and 43209 transitions. [2021-10-28 23:56:02,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2021-10-28 23:56:02,571 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:02,572 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:56:02,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 23:56:02,572 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:56:02,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:02,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1130963932, now seen corresponding path program 1 times [2021-10-28 23:56:02,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:02,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911328666] [2021-10-28 23:56:02,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:02,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:03,031 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 246 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-10-28 23:56:03,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:03,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911328666] [2021-10-28 23:56:03,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911328666] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:56:03,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304124413] [2021-10-28 23:56:03,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:03,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:56:03,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:56:03,034 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:56:03,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 23:56:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:04,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:56:04,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:56:05,242 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-10-28 23:56:05,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304124413] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:05,243 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:56:05,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-28 23:56:05,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487554840] [2021-10-28 23:56:05,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:56:05,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:05,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:56:05,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:56:05,245 INFO L87 Difference]: Start difference. First operand 41102 states and 43209 transitions. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 2 states have internal predecessors, (311), 0 states have call successors, (0), 0 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 23:56:05,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:05,831 INFO L93 Difference]: Finished difference Result 120864 states and 127120 transitions. [2021-10-28 23:56:05,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:56:05,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 2 states have internal predecessors, (311), 0 states have call successors, (0), 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 414 [2021-10-28 23:56:05,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:05,925 INFO L225 Difference]: With dead ends: 120864 [2021-10-28 23:56:05,925 INFO L226 Difference]: Without dead ends: 79764 [2021-10-28 23:56:05,952 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 413 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 23:56:06,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79764 states. [2021-10-28 23:56:07,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79764 to 79761. [2021-10-28 23:56:07,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79761 states, 79760 states have (on average 1.0519558676028085) internal successors, (83904), 79760 states have internal predecessors, (83904), 0 states have call successors, (0), 0 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 23:56:07,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79761 states to 79761 states and 83904 transitions. [2021-10-28 23:56:07,767 INFO L78 Accepts]: Start accepts. Automaton has 79761 states and 83904 transitions. Word has length 414 [2021-10-28 23:56:07,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:07,767 INFO L470 AbstractCegarLoop]: Abstraction has 79761 states and 83904 transitions. [2021-10-28 23:56:07,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 2 states have internal predecessors, (311), 0 states have call successors, (0), 0 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 23:56:07,768 INFO L276 IsEmpty]: Start isEmpty. Operand 79761 states and 83904 transitions. [2021-10-28 23:56:07,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-10-28 23:56:07,803 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:07,803 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 23:56:07,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-10-28 23:56:08,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:56:08,020 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:56:08,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:08,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1845760560, now seen corresponding path program 1 times [2021-10-28 23:56:08,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:08,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043459136] [2021-10-28 23:56:08,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:08,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:08,293 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 285 proven. 9 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-10-28 23:56:08,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:08,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043459136] [2021-10-28 23:56:08,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043459136] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:56:08,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702848830] [2021-10-28 23:56:08,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:08,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:56:08,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:56:08,300 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:56:08,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 23:56:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:09,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:56:09,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:56:10,325 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-10-28 23:56:10,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702848830] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:10,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:56:10,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 23:56:10,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574515670] [2021-10-28 23:56:10,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:56:10,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:10,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:56:10,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:56:10,333 INFO L87 Difference]: Start difference. First operand 79761 states and 83904 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 23:56:11,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:11,816 INFO L93 Difference]: Finished difference Result 158507 states and 166729 transitions. [2021-10-28 23:56:11,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:56:11,817 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 437 [2021-10-28 23:56:11,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:11,910 INFO L225 Difference]: With dead ends: 158507 [2021-10-28 23:56:11,910 INFO L226 Difference]: Without dead ends: 78748 [2021-10-28 23:56:11,949 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 436 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:56:12,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78748 states. [2021-10-28 23:56:13,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78748 to 78324. [2021-10-28 23:56:13,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78324 states, 78323 states have (on average 1.0505343258046806) internal successors, (82281), 78323 states have internal predecessors, (82281), 0 states have call successors, (0), 0 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 23:56:13,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78324 states to 78324 states and 82281 transitions. [2021-10-28 23:56:13,432 INFO L78 Accepts]: Start accepts. Automaton has 78324 states and 82281 transitions. Word has length 437 [2021-10-28 23:56:13,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:13,433 INFO L470 AbstractCegarLoop]: Abstraction has 78324 states and 82281 transitions. [2021-10-28 23:56:13,433 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 23:56:13,433 INFO L276 IsEmpty]: Start isEmpty. Operand 78324 states and 82281 transitions. [2021-10-28 23:56:13,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2021-10-28 23:56:13,467 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:13,468 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:56:13,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:56:13,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:56:13,671 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:56:13,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:13,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1981683012, now seen corresponding path program 1 times [2021-10-28 23:56:13,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:13,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598500840] [2021-10-28 23:56:13,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:13,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:14,513 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 401 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-10-28 23:56:14,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:14,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598500840] [2021-10-28 23:56:14,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598500840] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:14,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:14,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:56:14,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231190020] [2021-10-28 23:56:14,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:56:14,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:14,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:56:14,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:56:14,518 INFO L87 Difference]: Start difference. First operand 78324 states and 82281 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 2 states have internal predecessors, (312), 0 states have call successors, (0), 0 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 23:56:15,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:15,637 INFO L93 Difference]: Finished difference Result 210896 states and 221734 transitions. [2021-10-28 23:56:15,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:56:15,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 2 states have internal predecessors, (312), 0 states have call successors, (0), 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 446 [2021-10-28 23:56:15,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:15,837 INFO L225 Difference]: With dead ends: 210896 [2021-10-28 23:56:15,837 INFO L226 Difference]: Without dead ends: 132574 [2021-10-28 23:56:15,894 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 23:56:16,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132574 states. [2021-10-28 23:56:18,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132574 to 124454. [2021-10-28 23:56:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124454 states, 124453 states have (on average 1.0541569909925836) internal successors, (131193), 124453 states have internal predecessors, (131193), 0 states have call successors, (0), 0 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 23:56:18,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124454 states to 124454 states and 131193 transitions. [2021-10-28 23:56:18,669 INFO L78 Accepts]: Start accepts. Automaton has 124454 states and 131193 transitions. Word has length 446 [2021-10-28 23:56:18,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:18,670 INFO L470 AbstractCegarLoop]: Abstraction has 124454 states and 131193 transitions. [2021-10-28 23:56:18,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 2 states have internal predecessors, (312), 0 states have call successors, (0), 0 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 23:56:18,670 INFO L276 IsEmpty]: Start isEmpty. Operand 124454 states and 131193 transitions. [2021-10-28 23:56:18,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2021-10-28 23:56:18,713 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:18,713 INFO L513 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:56:18,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-28 23:56:18,714 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:56:18,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:18,714 INFO L85 PathProgramCache]: Analyzing trace with hash -676210099, now seen corresponding path program 1 times [2021-10-28 23:56:18,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:18,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720861614] [2021-10-28 23:56:18,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:18,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:19,574 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 147 proven. 6 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-10-28 23:56:19,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:19,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720861614] [2021-10-28 23:56:19,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720861614] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:56:19,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525170746] [2021-10-28 23:56:19,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:19,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:56:19,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:56:19,577 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:56:19,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-28 23:56:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:20,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:56:20,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:56:22,069 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-10-28 23:56:22,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525170746] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:22,070 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:56:22,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-28 23:56:22,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591845283] [2021-10-28 23:56:22,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:56:22,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:22,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:56:22,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:56:22,075 INFO L87 Difference]: Start difference. First operand 124454 states and 131193 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 2 states have internal predecessors, (324), 0 states have call successors, (0), 0 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 23:56:23,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:23,827 INFO L93 Difference]: Finished difference Result 293837 states and 309659 transitions. [2021-10-28 23:56:23,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:56:23,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 2 states have internal predecessors, (324), 0 states have call successors, (0), 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 450 [2021-10-28 23:56:23,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:24,081 INFO L225 Difference]: With dead ends: 293837 [2021-10-28 23:56:24,081 INFO L226 Difference]: Without dead ends: 169385 [2021-10-28 23:56:24,131 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:56:24,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169385 states. [2021-10-28 23:56:27,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169385 to 169383. [2021-10-28 23:56:27,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169383 states, 169382 states have (on average 1.0534944681253027) internal successors, (178443), 169382 states have internal predecessors, (178443), 0 states have call successors, (0), 0 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 23:56:27,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169383 states to 169383 states and 178443 transitions. [2021-10-28 23:56:27,583 INFO L78 Accepts]: Start accepts. Automaton has 169383 states and 178443 transitions. Word has length 450 [2021-10-28 23:56:27,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:27,583 INFO L470 AbstractCegarLoop]: Abstraction has 169383 states and 178443 transitions. [2021-10-28 23:56:27,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 2 states have internal predecessors, (324), 0 states have call successors, (0), 0 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 23:56:27,584 INFO L276 IsEmpty]: Start isEmpty. Operand 169383 states and 178443 transitions. [2021-10-28 23:56:27,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2021-10-28 23:56:27,642 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:27,642 INFO L513 BasicCegarLoop]: trace histogram [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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:56:27,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:56:27,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-10-28 23:56:27,844 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:56:27,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:27,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1531649112, now seen corresponding path program 1 times [2021-10-28 23:56:27,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:27,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368503040] [2021-10-28 23:56:27,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:27,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:28,179 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 386 proven. 24 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-10-28 23:56:28,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:28,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368503040] [2021-10-28 23:56:28,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368503040] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:56:28,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978289820] [2021-10-28 23:56:28,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:28,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:56:28,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:56:28,182 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:56:28,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-28 23:56:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:30,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:56:30,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:56:31,540 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2021-10-28 23:56:31,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978289820] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:31,541 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:56:31,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 23:56:31,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475397511] [2021-10-28 23:56:31,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:56:31,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:31,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:56:31,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:56:31,544 INFO L87 Difference]: Start difference. First operand 169383 states and 178443 transitions. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 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 23:56:34,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:34,122 INFO L93 Difference]: Finished difference Result 360764 states and 380396 transitions. [2021-10-28 23:56:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:56:34,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 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 450 [2021-10-28 23:56:34,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:34,124 INFO L225 Difference]: With dead ends: 360764 [2021-10-28 23:56:34,124 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:56:34,215 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:56:34,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:56:34,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:56:34,216 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 23:56:34,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:56:34,216 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 450 [2021-10-28 23:56:34,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:34,216 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:56:34,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 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 23:56:34,217 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:56:34,217 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:56:34,219 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:56:34,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:56:34,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:56:34,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:56:34,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:34,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:38,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:56:47,777 INFO L857 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-10-28 23:56:47,778 INFO L857 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-10-28 23:56:47,778 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,778 INFO L857 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-10-28 23:56:47,778 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,778 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,778 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,778 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,778 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,779 INFO L857 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,779 INFO L857 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,779 INFO L857 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,779 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,779 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,779 INFO L857 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-10-28 23:56:47,779 INFO L857 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-10-28 23:56:47,780 INFO L857 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-10-28 23:56:47,780 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,780 INFO L857 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-10-28 23:56:47,780 INFO L857 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-10-28 23:56:47,780 INFO L857 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,781 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,781 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,781 INFO L857 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,781 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,781 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,782 INFO L857 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,782 INFO L857 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,782 INFO L857 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,782 INFO L857 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-10-28 23:56:47,782 INFO L857 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-10-28 23:56:47,783 INFO L857 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-10-28 23:56:47,783 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,783 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,783 INFO L857 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,783 INFO L857 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,784 INFO L857 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,784 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,784 INFO L857 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-10-28 23:56:47,784 INFO L857 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-10-28 23:56:47,785 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,785 INFO L857 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-10-28 23:56:47,785 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,785 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-10-28 23:56:47,785 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-10-28 23:56:47,785 INFO L857 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,785 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,786 INFO L857 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,786 INFO L857 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,786 INFO L857 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,786 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,786 INFO L857 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,786 INFO L857 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-10-28 23:56:47,786 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,787 INFO L857 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-10-28 23:56:47,787 INFO L857 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-10-28 23:56:47,787 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,787 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,787 INFO L857 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,787 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,788 INFO L857 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-10-28 23:56:47,788 INFO L857 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-10-28 23:56:47,788 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,788 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,788 INFO L857 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,789 INFO L857 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,789 INFO L857 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,789 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,789 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,789 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,790 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,790 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,790 INFO L857 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-10-28 23:56:47,790 INFO L857 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-10-28 23:56:47,790 INFO L857 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-10-28 23:56:47,790 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,791 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,791 INFO L857 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,791 INFO L857 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,791 INFO L857 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,791 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,792 INFO L857 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-10-28 23:56:47,792 INFO L857 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-10-28 23:56:47,792 INFO L857 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-10-28 23:56:47,792 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,792 INFO L857 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,793 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,793 INFO L857 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,793 INFO L857 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,793 INFO L857 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,793 INFO L857 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-10-28 23:56:47,794 INFO L857 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-10-28 23:56:47,794 INFO L857 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-10-28 23:56:47,794 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,794 INFO L857 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,794 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,794 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-10-28 23:56:47,795 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,795 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-10-28 23:56:47,795 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:56:47,795 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,795 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,795 INFO L857 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-10-28 23:56:47,795 INFO L857 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-10-28 23:56:47,795 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,795 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,795 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,796 INFO L857 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,796 INFO L857 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,796 INFO L857 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,796 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,796 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-10-28 23:56:47,797 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-10-28 23:56:47,797 INFO L857 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-10-28 23:56:47,797 INFO L857 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-10-28 23:56:47,797 INFO L857 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-10-28 23:56:47,797 INFO L857 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,797 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,797 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,797 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,797 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,797 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,797 INFO L857 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,798 INFO L857 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,798 INFO L857 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,798 INFO L857 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,798 INFO L857 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-10-28 23:56:47,798 INFO L857 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-10-28 23:56:47,798 INFO L857 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-10-28 23:56:47,798 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,798 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,799 INFO L857 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,799 INFO L857 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,799 INFO L857 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,799 INFO L857 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,799 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,799 INFO L857 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,800 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,800 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:56:47,800 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1594) no Hoare annotation was computed. [2021-10-28 23:56:47,800 INFO L857 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-10-28 23:56:47,801 INFO L857 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-10-28 23:56:47,801 INFO L857 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-10-28 23:56:47,801 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-10-28 23:56:47,801 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-10-28 23:56:47,801 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,802 INFO L857 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,802 INFO L857 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,802 INFO L857 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,802 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,802 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,803 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,803 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,803 INFO L857 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-10-28 23:56:47,803 INFO L857 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-10-28 23:56:47,803 INFO L857 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-10-28 23:56:47,804 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,804 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,804 INFO L857 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,804 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-10-28 23:56:47,804 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-10-28 23:56:47,804 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,805 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,805 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,805 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-10-28 23:56:47,805 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,805 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-10-28 23:56:47,806 INFO L857 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,806 INFO L857 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-10-28 23:56:47,806 INFO L857 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,806 INFO L857 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,806 INFO L857 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-10-28 23:56:47,807 INFO L857 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-10-28 23:56:47,807 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-10-28 23:56:47,807 INFO L857 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-10-28 23:56:47,807 INFO L857 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-10-28 23:56:47,807 INFO L857 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-10-28 23:56:47,808 INFO L857 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-10-28 23:56:47,808 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,808 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,808 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,809 INFO L853 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse15 (<= ~a7~0 0)) (.cse10 (= ~a4~0 1)) (.cse6 (= ~a0~0 1)) (.cse14 (<= ~a3~0 1)) (.cse16 (= ~a12~0 ~a11~0)) (.cse5 (= ~a27~0 1)) (.cse8 (= ~a12~0 1)) (.cse12 (<= ~a3~0 0)) (.cse9 (= ~a11~0 0)) (.cse13 (<= ~a6~0 0)) (.cse0 (= ~a26~0 1)) (.cse1 (= ~a5~0 1)) (.cse17 (<= 2 ~a3~0)) (.cse2 (= ~a11~0 1)) (.cse3 (= ~a6~0 1)) (.cse4 (= ~a12~0 0)) (.cse7 (= ~a18~0 1)) (.cse11 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse9 .cse3 .cse10 .cse6 .cse7 .cse11) (and .cse1 .cse12 .cse9 .cse3 .cse4 .cse6 .cse7 .cse11) (and .cse0 .cse1 .cse8 .cse9 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse14 .cse9 .cse10 .cse4 .cse7 .cse11 .cse13) (and .cse15 .cse1 .cse8 .cse12 .cse9 .cse3 .cse6 .cse7 .cse11) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse9 .cse3 .cse10 .cse5 .cse7) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse7 .cse11) (and .cse1 .cse14 .cse16 .cse2 .cse3 .cse7 .cse11) (and .cse1 .cse8 .cse17 .cse9 .cse3 .cse10 .cse5 .cse7) (and .cse1 .cse8 .cse17 .cse9 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse16 .cse2 .cse10 .cse5 .cse6 .cse7 .cse13) (and .cse15 .cse1 .cse17 .cse16 .cse2 .cse3 .cse10 .cse5 .cse7) (and .cse0 .cse1 .cse12 .cse2 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse1 .cse17 .cse2 .cse4 .cse7 .cse11 .cse13) (and .cse1 .cse14 .cse16 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse17 .cse9 .cse4 .cse5 .cse7 .cse13) (and .cse1 .cse9 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse3 .cse7 .cse11) (and .cse1 .cse12 .cse9 .cse10 .cse4 .cse5 .cse7 .cse13) (and .cse1 (not .cse0) .cse12 .cse9 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse12 .cse16 .cse2 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse9 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse9 .cse3 .cse6 .cse7 .cse11) (and .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse13) (and .cse1 .cse9 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse7 .cse13) (and .cse1 .cse17 .cse9 .cse3 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse17 .cse16 .cse2 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse9 .cse3 .cse10 .cse7 .cse11) (and .cse1 .cse12 .cse2 .cse10 .cse4 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse2 .cse6 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse14 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse8 .cse17 .cse9 .cse5 .cse6 .cse7 .cse13) (and .cse1 .cse12 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse1 .cse12 .cse9 .cse3 .cse10 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse14 .cse16 .cse2 .cse3 .cse5 .cse7) (and .cse1 .cse9 .cse4 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse2 .cse10 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 .cse11) (and .cse1 .cse12 .cse2 .cse3 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse16 .cse2 .cse10 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse2 .cse10 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse1 .cse14 .cse2 .cse4 .cse5 (= ~a12~0 ~a19~0) .cse7 .cse13) (and .cse0 .cse1 .cse12 .cse16 .cse2 .cse5 .cse7 .cse13) (and .cse1 .cse8 .cse12 .cse9 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse4 .cse7 .cse11))) [2021-10-28 23:56:47,810 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,810 INFO L857 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,810 INFO L857 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,811 INFO L857 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-10-28 23:56:47,811 INFO L857 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-10-28 23:56:47,811 INFO L857 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,811 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,811 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,812 INFO L860 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-10-28 23:56:47,812 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,812 INFO L857 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,812 INFO L857 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,812 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,813 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,813 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,813 INFO L857 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-10-28 23:56:47,813 INFO L857 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-10-28 23:56:47,813 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,813 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,814 INFO L857 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,814 INFO L857 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,814 INFO L857 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,814 INFO L857 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,814 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,815 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,815 INFO L857 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,815 INFO L857 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-10-28 23:56:47,815 INFO L857 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-10-28 23:56:47,815 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,816 INFO L857 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,816 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-10-28 23:56:47,816 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-10-28 23:56:47,816 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,817 INFO L853 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse15 (<= ~a7~0 0)) (.cse10 (= ~a4~0 1)) (.cse6 (= ~a0~0 1)) (.cse14 (<= ~a3~0 1)) (.cse16 (= ~a12~0 ~a11~0)) (.cse5 (= ~a27~0 1)) (.cse8 (= ~a12~0 1)) (.cse12 (<= ~a3~0 0)) (.cse9 (= ~a11~0 0)) (.cse13 (<= ~a6~0 0)) (.cse0 (= ~a26~0 1)) (.cse1 (= ~a5~0 1)) (.cse17 (<= 2 ~a3~0)) (.cse2 (= ~a11~0 1)) (.cse3 (= ~a6~0 1)) (.cse4 (= ~a12~0 0)) (.cse7 (= ~a18~0 1)) (.cse11 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse9 .cse3 .cse10 .cse6 .cse7 .cse11) (and .cse1 .cse12 .cse9 .cse3 .cse4 .cse6 .cse7 .cse11) (and .cse0 .cse1 .cse8 .cse9 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse14 .cse9 .cse10 .cse4 .cse7 .cse11 .cse13) (and .cse15 .cse1 .cse8 .cse12 .cse9 .cse3 .cse6 .cse7 .cse11) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse9 .cse3 .cse10 .cse5 .cse7) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse7 .cse11) (and .cse1 .cse14 .cse16 .cse2 .cse3 .cse7 .cse11) (and .cse1 .cse8 .cse17 .cse9 .cse3 .cse10 .cse5 .cse7) (and .cse1 .cse8 .cse17 .cse9 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse16 .cse2 .cse10 .cse5 .cse6 .cse7 .cse13) (and .cse15 .cse1 .cse17 .cse16 .cse2 .cse3 .cse10 .cse5 .cse7) (and .cse0 .cse1 .cse12 .cse2 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse1 .cse17 .cse2 .cse4 .cse7 .cse11 .cse13) (and .cse1 .cse14 .cse16 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse17 .cse9 .cse4 .cse5 .cse7 .cse13) (and .cse1 .cse9 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse3 .cse7 .cse11) (and .cse1 .cse12 .cse9 .cse10 .cse4 .cse5 .cse7 .cse13) (and .cse1 (not .cse0) .cse12 .cse9 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse12 .cse16 .cse2 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse9 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse9 .cse3 .cse6 .cse7 .cse11) (and .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse13) (and .cse1 .cse9 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse7 .cse13) (and .cse1 .cse17 .cse9 .cse3 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse17 .cse16 .cse2 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse9 .cse3 .cse10 .cse7 .cse11) (and .cse1 .cse12 .cse2 .cse10 .cse4 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse2 .cse6 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse14 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse8 .cse17 .cse9 .cse5 .cse6 .cse7 .cse13) (and .cse1 .cse12 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse1 .cse12 .cse9 .cse3 .cse10 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse14 .cse16 .cse2 .cse3 .cse5 .cse7) (and .cse1 .cse9 .cse4 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse2 .cse10 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 .cse11) (and .cse1 .cse12 .cse2 .cse3 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse16 .cse2 .cse10 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse2 .cse10 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse1 .cse14 .cse2 .cse4 .cse5 (= ~a12~0 ~a19~0) .cse7 .cse13) (and .cse0 .cse1 .cse12 .cse16 .cse2 .cse5 .cse7 .cse13) (and .cse1 .cse8 .cse12 .cse9 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse4 .cse7 .cse11))) [2021-10-28 23:56:47,817 INFO L857 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,818 INFO L857 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,818 INFO L857 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,818 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,818 INFO L857 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-10-28 23:56:47,818 INFO L857 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-10-28 23:56:47,818 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,819 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,819 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,819 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,819 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,819 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,820 INFO L857 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,820 INFO L857 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,820 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:56:47,820 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-10-28 23:56:47,820 INFO L857 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-10-28 23:56:47,821 INFO L857 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-10-28 23:56:47,821 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,821 INFO L857 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-10-28 23:56:47,821 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,821 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,822 INFO L857 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-10-28 23:56:47,822 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,822 INFO L857 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,822 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,822 INFO L857 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,823 INFO L857 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,823 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-10-28 23:56:47,823 INFO L857 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,823 INFO L857 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-10-28 23:56:47,823 INFO L857 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-10-28 23:56:47,824 INFO L857 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-10-28 23:56:47,824 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,824 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,824 INFO L857 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,824 INFO L857 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,825 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,825 INFO L857 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,825 INFO L857 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,825 INFO L857 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,825 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-10-28 23:56:47,826 INFO L857 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-10-28 23:56:47,826 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,826 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,826 INFO L857 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-10-28 23:56:47,826 INFO L857 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-10-28 23:56:47,827 INFO L857 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-10-28 23:56:47,827 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,827 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,827 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,827 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,828 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,828 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:56:47,828 INFO L857 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,828 INFO L857 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,828 INFO L857 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,829 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,829 INFO L857 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,829 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,829 INFO L857 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-10-28 23:56:47,829 INFO L857 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-10-28 23:56:47,830 INFO L857 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-10-28 23:56:47,830 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,830 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,830 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,830 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,830 INFO L857 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,831 INFO L857 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,831 INFO L857 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,831 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-10-28 23:56:47,831 INFO L857 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-10-28 23:56:47,831 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,832 INFO L857 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-10-28 23:56:47,832 INFO L857 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-10-28 23:56:47,832 INFO L857 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-10-28 23:56:47,832 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,832 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,833 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,833 INFO L857 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,833 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-10-28 23:56:47,833 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-10-28 23:56:47,833 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-10-28 23:56:47,834 INFO L857 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,834 INFO L857 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,834 INFO L857 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:56:47,839 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] [2021-10-28 23:56:47,841 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:56:47,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:56:47 BoogieIcfgContainer [2021-10-28 23:56:47,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:56:47,910 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:56:47,910 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:56:47,911 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:56:47,911 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:55:11" (3/4) ... [2021-10-28 23:56:47,915 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:56:47,964 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 23:56:47,969 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:56:47,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:56:47,979 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:56:48,235 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:56:48,235 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:56:48,237 INFO L168 Benchmark]: Toolchain (without parser) took 101393.03 ms. Allocated memory was 134.2 MB in the beginning and 13.1 GB in the end (delta: 12.9 GB). Free memory was 87.3 MB in the beginning and 10.2 GB in the end (delta: -10.1 GB). Peak memory consumption was 2.8 GB. Max. memory is 16.1 GB. [2021-10-28 23:56:48,237 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 134.2 MB. Free memory is still 109.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:56:48,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1637.80 ms. Allocated memory was 134.2 MB in the beginning and 167.8 MB in the end (delta: 33.6 MB). Free memory was 87.1 MB in the beginning and 122.8 MB in the end (delta: -35.7 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:48,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 226.70 ms. Allocated memory is still 167.8 MB. Free memory was 122.8 MB in the beginning and 108.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:48,239 INFO L168 Benchmark]: Boogie Preprocessor took 170.80 ms. Allocated memory is still 167.8 MB. Free memory was 108.1 MB in the beginning and 98.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:48,240 INFO L168 Benchmark]: RCFGBuilder took 2703.62 ms. Allocated memory was 167.8 MB in the beginning and 257.9 MB in the end (delta: 90.2 MB). Free memory was 98.4 MB in the beginning and 182.7 MB in the end (delta: -84.3 MB). Peak memory consumption was 36.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:48,240 INFO L168 Benchmark]: TraceAbstraction took 96317.27 ms. Allocated memory was 257.9 MB in the beginning and 13.1 GB in the end (delta: 12.8 GB). Free memory was 181.6 MB in the beginning and 10.2 GB in the end (delta: -10.1 GB). Peak memory consumption was 3.1 GB. Max. memory is 16.1 GB. [2021-10-28 23:56:48,241 INFO L168 Benchmark]: Witness Printer took 324.89 ms. Allocated memory is still 13.1 GB. Free memory was 10.2 GB in the beginning and 10.2 GB in the end (delta: 38.2 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:48,243 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 134.2 MB. Free memory is still 109.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1637.80 ms. Allocated memory was 134.2 MB in the beginning and 167.8 MB in the end (delta: 33.6 MB). Free memory was 87.1 MB in the beginning and 122.8 MB in the end (delta: -35.7 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 226.70 ms. Allocated memory is still 167.8 MB. Free memory was 122.8 MB in the beginning and 108.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 170.80 ms. Allocated memory is still 167.8 MB. Free memory was 108.1 MB in the beginning and 98.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2703.62 ms. Allocated memory was 167.8 MB in the beginning and 257.9 MB in the end (delta: 90.2 MB). Free memory was 98.4 MB in the beginning and 182.7 MB in the end (delta: -84.3 MB). Peak memory consumption was 36.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 96317.27 ms. Allocated memory was 257.9 MB in the beginning and 13.1 GB in the end (delta: 12.8 GB). Free memory was 181.6 MB in the beginning and 10.2 GB in the end (delta: -10.1 GB). Peak memory consumption was 3.1 GB. Max. memory is 16.1 GB. * Witness Printer took 324.89 ms. Allocated memory is still 13.1 GB. Free memory was 10.2 GB in the beginning and 10.2 GB in the end (delta: 38.2 MB). Peak memory consumption was 39.8 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: 1594]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 96.1s, OverallIterations: 23, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, AutomataDifference: 33.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4104 SDtfs, 4410 SDslu, 1022 SDs, 0 SdLazy, 13013 SolverSat, 1963 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3623 GetRequests, 3574 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=169383occurred in iteration=22, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 18.7s AutomataMinimizationTime, 23 MinimizatonAttempts, 18177 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 1481 NumberOfFragments, 2487 HoareAnnotationTreeSize, 3 FomulaSimplifications, 61856 FormulaSimplificationTreeSizeReduction, 6.8s HoareSimplificationTime, 3 FomulaSimplificationsInter, 8212 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 15.5s InterpolantComputationTime, 10498 NumberOfCodeBlocks, 10498 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 10465 ConstructedInterpolants, 0 QuantifiedInterpolants, 31565 SizeOfPredicates, 0 NumberOfNonLiveVariables, 6459 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 33 InterpolantComputations, 23 PerfectInterpolantSequences, 7375/7476 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) || (((((((a5 == 1 && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a6 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a4 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a7 <= 0 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || ((((((a26 == 1 && a5 == 1) && a11 == 0) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a4 == 1) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a12 == a11) && a11 == 1) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a3 <= 0) && a11 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && a11 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && 2 <= a3) && a11 == 0) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((a5 == 1 && a11 == 0) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a4 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a5 == 1 && !(a26 == 1)) && a3 <= 0) && a11 == 0) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a3 <= 0) && a12 == a11) && a11 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a11 == 1) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a11 == 0) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a11 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && a11 == 0) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || ((((((((a26 == 1 && a5 == 1) && 2 <= a3) && a12 == a11) && a11 == 1) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 1) && a4 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 1) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a6 == 1) && a4 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a11 == 0) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 1) && a4 == 1) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a4 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a11 == 1) && a4 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a11 == 1) && a12 == 0) && a27 == 1) && a12 == a19) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 0) && a12 == a11) && a11 == 1) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a3 <= 0) && a11 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && 2 <= a3) && a11 == 1) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) || (((((((a5 == 1 && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a6 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a4 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a7 <= 0 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || ((((((a26 == 1 && a5 == 1) && a11 == 0) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a4 == 1) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a12 == a11) && a11 == 1) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a3 <= 0) && a11 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && a11 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && 2 <= a3) && a11 == 0) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((a5 == 1 && a11 == 0) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a4 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a5 == 1 && !(a26 == 1)) && a3 <= 0) && a11 == 0) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a3 <= 0) && a12 == a11) && a11 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a11 == 1) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a11 == 0) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a11 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && a11 == 0) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || ((((((((a26 == 1 && a5 == 1) && 2 <= a3) && a12 == a11) && a11 == 1) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 1) && a4 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 1) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a6 == 1) && a4 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a11 == 0) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 1) && a4 == 1) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a4 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a11 == 1) && a4 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a11 == 1) && a12 == 0) && a27 == 1) && a12 == a19) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 0) && a12 == a11) && a11 == 1) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a3 <= 0) && a11 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && 2 <= a3) && a11 == 1) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) RESULT: Ultimate proved your program to be correct! [2021-10-28 23:56:48,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_181fef31-679d-4956-b267-35cd06f98bcf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...