./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label25.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label25.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y --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 af25e83b6858fff60f7d1f210bf28c8f4df9d888273dfb197f604bfc8ae9e1a1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:56:10,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:56:10,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:56:10,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:56:10,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:56:10,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:56:10,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:56:10,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:56:10,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:56:10,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:56:10,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:56:10,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:56:10,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:56:10,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:56:10,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:56:10,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:56:10,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:56:10,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:56:10,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:56:10,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:56:10,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:56:10,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:56:10,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:56:10,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:56:10,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:56:10,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:56:10,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:56:10,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:56:10,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:56:10,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:56:10,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:56:10,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:56:10,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:56:10,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:56:10,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:56:10,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:56:10,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:56:10,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:56:10,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:56:10,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:56:10,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:56:10,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 17:56:10,945 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:56:10,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:56:10,945 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:56:10,945 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:56:10,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:56:10,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:56:10,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:56:10,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:56:10,948 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:56:10,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:56:10,948 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:56:10,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:56:10,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:56:10,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:56:10,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:56:10,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:56:10,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:56:10,950 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:56:10,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:56:10,950 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:56:10,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:56:10,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:56:10,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:56:10,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:56:10,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:56:10,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:56:10,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:56:10,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:56:10,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:56:10,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:56:10,953 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:56:10,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:56:10,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:56:10,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:56:10,954 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_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af25e83b6858fff60f7d1f210bf28c8f4df9d888273dfb197f604bfc8ae9e1a1 [2021-11-13 17:56:11,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:56:11,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:56:11,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:56:11,246 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:56:11,247 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:56:11,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/eca-rers2012/Problem14_label25.c [2021-11-13 17:56:11,328 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/data/4b345d70f/1a829646430d42ed91d19a9951fa9c14/FLAGa25280857 [2021-11-13 17:56:11,926 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:56:11,926 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/sv-benchmarks/c/eca-rers2012/Problem14_label25.c [2021-11-13 17:56:11,952 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/data/4b345d70f/1a829646430d42ed91d19a9951fa9c14/FLAGa25280857 [2021-11-13 17:56:12,136 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/data/4b345d70f/1a829646430d42ed91d19a9951fa9c14 [2021-11-13 17:56:12,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:56:12,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:56:12,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:56:12,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:56:12,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:56:12,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:56:12" (1/1) ... [2021-11-13 17:56:12,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30699b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:12, skipping insertion in model container [2021-11-13 17:56:12,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:56:12" (1/1) ... [2021-11-13 17:56:12,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:56:12,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:56:12,411 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_1906aef7-0fcd-44d6-968d-49b8b6843e73/sv-benchmarks/c/eca-rers2012/Problem14_label25.c[6534,6547] [2021-11-13 17:56:12,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:56:12,604 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:56:12,636 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_1906aef7-0fcd-44d6-968d-49b8b6843e73/sv-benchmarks/c/eca-rers2012/Problem14_label25.c[6534,6547] [2021-11-13 17:56:12,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:56:12,895 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:56:12,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:12 WrapperNode [2021-11-13 17:56:12,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:56:12,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:56:12,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:56:12,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:56:12,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:12" (1/1) ... [2021-11-13 17:56:12,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:12" (1/1) ... [2021-11-13 17:56:13,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:56:13,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:56:13,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:56:13,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:56:13,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:12" (1/1) ... [2021-11-13 17:56:13,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:12" (1/1) ... [2021-11-13 17:56:13,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:12" (1/1) ... [2021-11-13 17:56:13,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:12" (1/1) ... [2021-11-13 17:56:13,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:12" (1/1) ... [2021-11-13 17:56:13,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:12" (1/1) ... [2021-11-13 17:56:13,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:12" (1/1) ... [2021-11-13 17:56:13,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:56:13,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:56:13,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:56:13,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:56:13,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:12" (1/1) ... [2021-11-13 17:56:13,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:56:13,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:56:13,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:56:13,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:56:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:56:13,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:56:13,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:56:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:56:14,637 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:56:14,637 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 17:56:14,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:56:14 BoogieIcfgContainer [2021-11-13 17:56:14,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:56:14,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:56:14,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:56:14,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:56:14,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:56:12" (1/3) ... [2021-11-13 17:56:14,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12fc1485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:56:14, skipping insertion in model container [2021-11-13 17:56:14,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:12" (2/3) ... [2021-11-13 17:56:14,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12fc1485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:56:14, skipping insertion in model container [2021-11-13 17:56:14,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:56:14" (3/3) ... [2021-11-13 17:56:14,650 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label25.c [2021-11-13 17:56:14,655 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:56:14,655 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 17:56:14,724 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:56:14,740 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 17:56:14,740 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 17:56:14,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:14,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 17:56:14,799 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:56:14,800 INFO L514 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] [2021-11-13 17:56:14,800 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:56:14,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:56:14,808 INFO L85 PathProgramCache]: Analyzing trace with hash -107486446, now seen corresponding path program 1 times [2021-11-13 17:56:14,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:56:14,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888092037] [2021-11-13 17:56:14,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:56:14,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:56:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:15,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:56:15,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:56:15,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888092037] [2021-11-13 17:56:15,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888092037] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:56:15,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:56:15,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:56:15,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274886622] [2021-11-13 17:56:15,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:56:15,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:56:15,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:56:15,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:56:15,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:56:15,146 INFO L87 Difference]: Start difference. First operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 0 states have call successors, (0), 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 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:16,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:56:16,692 INFO L93 Difference]: Finished difference Result 852 states and 1560 transitions. [2021-11-13 17:56:16,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:56:16,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2021-11-13 17:56:16,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:56:16,714 INFO L225 Difference]: With dead ends: 852 [2021-11-13 17:56:16,714 INFO L226 Difference]: Without dead ends: 538 [2021-11-13 17:56:16,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:56:16,723 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 545 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1168.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.61ms SdHoareTripleChecker+Time, 427 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1440.18ms IncrementalHoareTripleChecker+Time [2021-11-13 17:56:16,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [545 Valid, 44 Invalid, 1309 Unknown, 0 Unchecked, 13.61ms Time], IncrementalHoareTripleChecker [427 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 1440.18ms Time] [2021-11-13 17:56:16,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2021-11-13 17:56:16,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2021-11-13 17:56:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 537 states have (on average 1.4487895716945995) internal successors, (778), 537 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:16,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 778 transitions. [2021-11-13 17:56:16,825 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 778 transitions. Word has length 64 [2021-11-13 17:56:16,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:56:16,826 INFO L470 AbstractCegarLoop]: Abstraction has 538 states and 778 transitions. [2021-11-13 17:56:16,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:16,826 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 778 transitions. [2021-11-13 17:56:16,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-13 17:56:16,836 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:56:16,836 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:56:16,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:56:16,837 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:56:16,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:56:16,838 INFO L85 PathProgramCache]: Analyzing trace with hash 228116006, now seen corresponding path program 1 times [2021-11-13 17:56:16,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:56:16,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782535437] [2021-11-13 17:56:16,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:56:16,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:56:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-13 17:56:17,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:56:17,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782535437] [2021-11-13 17:56:17,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782535437] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:56:17,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:56:17,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 17:56:17,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243770878] [2021-11-13 17:56:17,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:56:17,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:56:17,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:56:17,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:56:17,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:56:17,116 INFO L87 Difference]: Start difference. First operand 538 states and 778 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:17,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:56:17,855 INFO L93 Difference]: Finished difference Result 1074 states and 1656 transitions. [2021-11-13 17:56:17,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:56:17,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 200 [2021-11-13 17:56:17,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:56:17,863 INFO L225 Difference]: With dead ends: 1074 [2021-11-13 17:56:17,863 INFO L226 Difference]: Without dead ends: 716 [2021-11-13 17:56:17,865 INFO L932 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 [2021-11-13 17:56:17,867 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 125 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 571.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.23ms SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 708.32ms IncrementalHoareTripleChecker+Time [2021-11-13 17:56:17,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 57 Invalid, 632 Unknown, 0 Unchecked, 4.23ms Time], IncrementalHoareTripleChecker [201 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 708.32ms Time] [2021-11-13 17:56:17,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2021-11-13 17:56:17,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2021-11-13 17:56:17,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 715 states have (on average 1.353846153846154) internal successors, (968), 715 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:17,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 968 transitions. [2021-11-13 17:56:17,901 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 968 transitions. Word has length 200 [2021-11-13 17:56:17,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:56:17,901 INFO L470 AbstractCegarLoop]: Abstraction has 716 states and 968 transitions. [2021-11-13 17:56:17,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:17,902 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 968 transitions. [2021-11-13 17:56:17,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-13 17:56:17,908 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:56:17,909 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:56:17,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 17:56:17,909 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:56:17,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:56:17,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1127504167, now seen corresponding path program 1 times [2021-11-13 17:56:17,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:56:17,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998710621] [2021-11-13 17:56:17,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:56:17,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:56:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:18,096 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 17:56:18,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:56:18,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998710621] [2021-11-13 17:56:18,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998710621] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:56:18,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:56:18,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:56:18,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098536997] [2021-11-13 17:56:18,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:56:18,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:56:18,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:56:18,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:56:18,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:56:18,105 INFO L87 Difference]: Start difference. First operand 716 states and 968 transitions. Second operand has 4 states, 4 states have (on average 47.75) 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) [2021-11-13 17:56:18,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:56:18,922 INFO L93 Difference]: Finished difference Result 1459 states and 2023 transitions. [2021-11-13 17:56:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:56:18,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.75) 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 223 [2021-11-13 17:56:18,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:56:18,929 INFO L225 Difference]: With dead ends: 1459 [2021-11-13 17:56:18,929 INFO L226 Difference]: Without dead ends: 894 [2021-11-13 17:56:18,931 INFO L932 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 [2021-11-13 17:56:18,932 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 112 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 626.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.49ms SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 779.19ms IncrementalHoareTripleChecker+Time [2021-11-13 17:56:18,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 113 Invalid, 793 Unknown, 0 Unchecked, 4.49ms Time], IncrementalHoareTripleChecker [147 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 779.19ms Time] [2021-11-13 17:56:18,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2021-11-13 17:56:18,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2021-11-13 17:56:18,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 893 states have (on average 1.1724524076147815) internal successors, (1047), 893 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:18,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1047 transitions. [2021-11-13 17:56:18,961 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1047 transitions. Word has length 223 [2021-11-13 17:56:18,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:56:18,962 INFO L470 AbstractCegarLoop]: Abstraction has 894 states and 1047 transitions. [2021-11-13 17:56:18,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.75) 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) [2021-11-13 17:56:18,963 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1047 transitions. [2021-11-13 17:56:18,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-11-13 17:56:18,971 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:56:18,971 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:56:18,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 17:56:18,972 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:56:18,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:56:18,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1919360194, now seen corresponding path program 1 times [2021-11-13 17:56:18,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:56:18,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150398694] [2021-11-13 17:56:18,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:56:18,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:56:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:19,172 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 342 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-11-13 17:56:19,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:56:19,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150398694] [2021-11-13 17:56:19,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150398694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:56:19,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:56:19,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:56:19,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112038637] [2021-11-13 17:56:19,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:56:19,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:56:19,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:56:19,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:56:19,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:56:19,176 INFO L87 Difference]: Start difference. First operand 894 states and 1047 transitions. Second operand has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:19,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:56:19,820 INFO L93 Difference]: Finished difference Result 1964 states and 2381 transitions. [2021-11-13 17:56:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:56:19,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 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 354 [2021-11-13 17:56:19,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:56:19,829 INFO L225 Difference]: With dead ends: 1964 [2021-11-13 17:56:19,829 INFO L226 Difference]: Without dead ends: 1250 [2021-11-13 17:56:19,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:56:19,840 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 102 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 498.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.09ms SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 608.42ms IncrementalHoareTripleChecker+Time [2021-11-13 17:56:19,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 76 Invalid, 519 Unknown, 0 Unchecked, 4.09ms Time], IncrementalHoareTripleChecker [51 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 608.42ms Time] [2021-11-13 17:56:19,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2021-11-13 17:56:19,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250. [2021-11-13 17:56:19,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 1249 states have (on average 1.154523618895116) internal successors, (1442), 1249 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:19,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1442 transitions. [2021-11-13 17:56:19,874 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1442 transitions. Word has length 354 [2021-11-13 17:56:19,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:56:19,876 INFO L470 AbstractCegarLoop]: Abstraction has 1250 states and 1442 transitions. [2021-11-13 17:56:19,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:19,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1442 transitions. [2021-11-13 17:56:19,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-11-13 17:56:19,884 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:56:19,885 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:56:19,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 17:56:19,885 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:56:19,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:56:19,887 INFO L85 PathProgramCache]: Analyzing trace with hash -57836550, now seen corresponding path program 1 times [2021-11-13 17:56:19,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:56:19,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903362886] [2021-11-13 17:56:19,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:56:19,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:56:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:20,109 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 385 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-13 17:56:20,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:56:20,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903362886] [2021-11-13 17:56:20,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903362886] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:56:20,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:56:20,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:56:20,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967523595] [2021-11-13 17:56:20,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:56:20,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:56:20,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:56:20,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:56:20,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:56:20,113 INFO L87 Difference]: Start difference. First operand 1250 states and 1442 transitions. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:21,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:56:21,043 INFO L93 Difference]: Finished difference Result 2854 states and 3314 transitions. [2021-11-13 17:56:21,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:56:21,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 378 [2021-11-13 17:56:21,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:56:21,054 INFO L225 Difference]: With dead ends: 2854 [2021-11-13 17:56:21,055 INFO L226 Difference]: Without dead ends: 1784 [2021-11-13 17:56:21,056 INFO L932 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 [2021-11-13 17:56:21,058 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 136 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 718.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.01ms SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 872.62ms IncrementalHoareTripleChecker+Time [2021-11-13 17:56:21,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 90 Invalid, 871 Unknown, 0 Unchecked, 7.01ms Time], IncrementalHoareTripleChecker [38 Valid, 833 Invalid, 0 Unknown, 0 Unchecked, 872.62ms Time] [2021-11-13 17:56:21,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2021-11-13 17:56:21,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1784. [2021-11-13 17:56:21,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1783 states have (on average 1.1256309590577678) internal successors, (2007), 1783 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:21,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2007 transitions. [2021-11-13 17:56:21,110 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2007 transitions. Word has length 378 [2021-11-13 17:56:21,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:56:21,111 INFO L470 AbstractCegarLoop]: Abstraction has 1784 states and 2007 transitions. [2021-11-13 17:56:21,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:21,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2007 transitions. [2021-11-13 17:56:21,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-11-13 17:56:21,122 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:56:21,122 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-13 17:56:21,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 17:56:21,123 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:56:21,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:56:21,124 INFO L85 PathProgramCache]: Analyzing trace with hash -538318094, now seen corresponding path program 1 times [2021-11-13 17:56:21,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:56:21,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208806864] [2021-11-13 17:56:21,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:56:21,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:56:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:21,349 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-13 17:56:21,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:56:21,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208806864] [2021-11-13 17:56:21,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208806864] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:56:21,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:56:21,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:56:21,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447565573] [2021-11-13 17:56:21,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:56:21,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:56:21,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:56:21,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:56:21,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:56:21,353 INFO L87 Difference]: Start difference. First operand 1784 states and 2007 transitions. Second operand has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:22,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:56:22,030 INFO L93 Difference]: Finished difference Result 3624 states and 4093 transitions. [2021-11-13 17:56:22,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:56:22,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 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 434 [2021-11-13 17:56:22,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:56:22,043 INFO L225 Difference]: With dead ends: 3624 [2021-11-13 17:56:22,043 INFO L226 Difference]: Without dead ends: 1962 [2021-11-13 17:56:22,046 INFO L932 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 [2021-11-13 17:56:22,048 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 125 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 516.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.60ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 631.05ms IncrementalHoareTripleChecker+Time [2021-11-13 17:56:22,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 17 Invalid, 731 Unknown, 0 Unchecked, 4.60ms Time], IncrementalHoareTripleChecker [45 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 631.05ms Time] [2021-11-13 17:56:22,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2021-11-13 17:56:22,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1606. [2021-11-13 17:56:22,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1605 states have (on average 1.0903426791277258) internal successors, (1750), 1605 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1750 transitions. [2021-11-13 17:56:22,089 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1750 transitions. Word has length 434 [2021-11-13 17:56:22,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:56:22,092 INFO L470 AbstractCegarLoop]: Abstraction has 1606 states and 1750 transitions. [2021-11-13 17:56:22,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:22,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1750 transitions. [2021-11-13 17:56:22,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2021-11-13 17:56:22,103 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:56:22,103 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2021-11-13 17:56:22,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 17:56:22,104 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:56:22,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:56:22,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1120801549, now seen corresponding path program 2 times [2021-11-13 17:56:22,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:56:22,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697336307] [2021-11-13 17:56:22,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:56:22,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:56:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:22,418 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 497 proven. 195 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-13 17:56:22,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:56:22,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697336307] [2021-11-13 17:56:22,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697336307] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:56:22,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144745754] [2021-11-13 17:56:22,419 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 17:56:22,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:56:22,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:56:22,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:56:22,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 17:56:22,599 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 17:56:22,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 17:56:22,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 17:56:22,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:56:24,365 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 483 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-11-13 17:56:24,366 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:56:24,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144745754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:56:24,366 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:56:24,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2021-11-13 17:56:24,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114665165] [2021-11-13 17:56:24,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:56:24,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:56:24,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:56:24,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:56:24,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:56:24,369 INFO L87 Difference]: Start difference. First operand 1606 states and 1750 transitions. Second operand has 5 states, 5 states have (on average 50.4) internal successors, (252), 4 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:25,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:56:25,259 INFO L93 Difference]: Finished difference Result 3773 states and 4178 transitions. [2021-11-13 17:56:25,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:56:25,260 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 50.4) internal successors, (252), 4 states have internal predecessors, (252), 0 states have call successors, (0), 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 460 [2021-11-13 17:56:25,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:56:25,272 INFO L225 Difference]: With dead ends: 3773 [2021-11-13 17:56:25,272 INFO L226 Difference]: Without dead ends: 2347 [2021-11-13 17:56:25,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 457 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:56:25,275 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 402 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 678.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.21ms SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 843.04ms IncrementalHoareTripleChecker+Time [2021-11-13 17:56:25,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [402 Valid, 16 Invalid, 750 Unknown, 0 Unchecked, 4.21ms Time], IncrementalHoareTripleChecker [82 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 843.04ms Time] [2021-11-13 17:56:25,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2347 states. [2021-11-13 17:56:25,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2347 to 1962. [2021-11-13 17:56:25,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1962 states, 1961 states have (on average 1.0810810810810811) internal successors, (2120), 1961 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:25,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2120 transitions. [2021-11-13 17:56:25,358 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2120 transitions. Word has length 460 [2021-11-13 17:56:25,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:56:25,359 INFO L470 AbstractCegarLoop]: Abstraction has 1962 states and 2120 transitions. [2021-11-13 17:56:25,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 50.4) internal successors, (252), 4 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:25,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2120 transitions. [2021-11-13 17:56:25,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-11-13 17:56:25,370 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:56:25,371 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:56:25,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 17:56:25,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:56:25,591 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:56:25,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:56:25,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1091026898, now seen corresponding path program 1 times [2021-11-13 17:56:25,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:56:25,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981188704] [2021-11-13 17:56:25,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:56:25,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:56:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:25,778 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 483 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-11-13 17:56:25,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:56:25,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981188704] [2021-11-13 17:56:25,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981188704] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:56:25,779 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:56:25,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:56:25,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63248795] [2021-11-13 17:56:25,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:56:25,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:56:25,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:56:25,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:56:25,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:56:25,781 INFO L87 Difference]: Start difference. First operand 1962 states and 2120 transitions. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:26,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:56:26,334 INFO L93 Difference]: Finished difference Result 4634 states and 5064 transitions. [2021-11-13 17:56:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:56:26,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 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 467 [2021-11-13 17:56:26,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:56:26,350 INFO L225 Difference]: With dead ends: 4634 [2021-11-13 17:56:26,350 INFO L226 Difference]: Without dead ends: 2852 [2021-11-13 17:56:26,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:56:26,353 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 103 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 422.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.14ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 512.68ms IncrementalHoareTripleChecker+Time [2021-11-13 17:56:26,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 220 Invalid, 469 Unknown, 0 Unchecked, 4.14ms Time], IncrementalHoareTripleChecker [44 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 512.68ms Time] [2021-11-13 17:56:26,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2021-11-13 17:56:26,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2318. [2021-11-13 17:56:26,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 2317 states have (on average 1.0845921450151057) internal successors, (2513), 2317 states have internal predecessors, (2513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:26,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2513 transitions. [2021-11-13 17:56:26,419 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2513 transitions. Word has length 467 [2021-11-13 17:56:26,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:56:26,420 INFO L470 AbstractCegarLoop]: Abstraction has 2318 states and 2513 transitions. [2021-11-13 17:56:26,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:26,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2513 transitions. [2021-11-13 17:56:26,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2021-11-13 17:56:26,425 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:56:26,425 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-13 17:56:26,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 17:56:26,426 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:56:26,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:56:26,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1499098357, now seen corresponding path program 1 times [2021-11-13 17:56:26,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:56:26,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919118313] [2021-11-13 17:56:26,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:56:26,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:56:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 497 proven. 195 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-13 17:56:26,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:56:26,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919118313] [2021-11-13 17:56:26,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919118313] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:56:26,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533216252] [2021-11-13 17:56:26,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:56:26,722 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:56:26,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:56:26,727 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:56:26,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 17:56:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:26,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:56:26,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:56:27,912 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2021-11-13 17:56:27,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:56:27,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533216252] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:56:27,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:56:27,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-11-13 17:56:27,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165533282] [2021-11-13 17:56:27,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:56:27,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:56:27,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:56:27,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:56:27,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:56:27,920 INFO L87 Difference]: Start difference. First operand 2318 states and 2513 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:28,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:56:28,494 INFO L93 Difference]: Finished difference Result 5346 states and 5848 transitions. [2021-11-13 17:56:28,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:56:28,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 512 [2021-11-13 17:56:28,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:56:28,512 INFO L225 Difference]: With dead ends: 5346 [2021-11-13 17:56:28,512 INFO L226 Difference]: Without dead ends: 3208 [2021-11-13 17:56:28,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:56:28,518 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 117 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 437.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.55ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 531.51ms IncrementalHoareTripleChecker+Time [2021-11-13 17:56:28,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 234 Invalid, 478 Unknown, 0 Unchecked, 4.55ms Time], IncrementalHoareTripleChecker [44 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 531.51ms Time] [2021-11-13 17:56:28,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2021-11-13 17:56:28,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2852. [2021-11-13 17:56:28,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2851 states have (on average 1.0834794808839003) internal successors, (3089), 2851 states have internal predecessors, (3089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:28,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3089 transitions. [2021-11-13 17:56:28,609 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3089 transitions. Word has length 512 [2021-11-13 17:56:28,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:56:28,610 INFO L470 AbstractCegarLoop]: Abstraction has 2852 states and 3089 transitions. [2021-11-13 17:56:28,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:28,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3089 transitions. [2021-11-13 17:56:28,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2021-11-13 17:56:28,618 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:56:28,619 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-13 17:56:28,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 17:56:28,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-13 17:56:28,834 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:56:28,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:56:28,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1008613683, now seen corresponding path program 1 times [2021-11-13 17:56:28,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:56:28,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031272908] [2021-11-13 17:56:28,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:56:28,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:56:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:29,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 858 proven. 195 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-13 17:56:29,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:56:29,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031272908] [2021-11-13 17:56:29,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031272908] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:56:29,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701267345] [2021-11-13 17:56:29,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:56:29,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:56:29,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:56:29,126 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:56:29,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 17:56:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:29,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:56:29,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:56:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 309 proven. 0 refuted. 0 times theorem prover too weak. 911 trivial. 0 not checked. [2021-11-13 17:56:30,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:56:30,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701267345] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:56:30,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:56:30,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-11-13 17:56:30,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989412490] [2021-11-13 17:56:30,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:56:30,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:56:30,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:56:30,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:56:30,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:56:30,269 INFO L87 Difference]: Start difference. First operand 2852 states and 3089 transitions. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:30,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:56:30,969 INFO L93 Difference]: Finished difference Result 6058 states and 6637 transitions. [2021-11-13 17:56:30,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:56:30,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 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 611 [2021-11-13 17:56:30,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:56:30,986 INFO L225 Difference]: With dead ends: 6058 [2021-11-13 17:56:30,986 INFO L226 Difference]: Without dead ends: 3386 [2021-11-13 17:56:30,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 615 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:56:30,991 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 117 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 526.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.56ms SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 640.93ms IncrementalHoareTripleChecker+Time [2021-11-13 17:56:30,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 247 Invalid, 483 Unknown, 0 Unchecked, 7.56ms Time], IncrementalHoareTripleChecker [46 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 640.93ms Time] [2021-11-13 17:56:30,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2021-11-13 17:56:31,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3208. [2021-11-13 17:56:31,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3208 states, 3207 states have (on average 1.084502650452136) internal successors, (3478), 3207 states have internal predecessors, (3478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:31,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3478 transitions. [2021-11-13 17:56:31,072 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3478 transitions. Word has length 611 [2021-11-13 17:56:31,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:56:31,073 INFO L470 AbstractCegarLoop]: Abstraction has 3208 states and 3478 transitions. [2021-11-13 17:56:31,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:31,074 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3478 transitions. [2021-11-13 17:56:31,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2021-11-13 17:56:31,082 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:56:31,082 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-13 17:56:31,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 17:56:31,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-13 17:56:31,299 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:56:31,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:56:31,299 INFO L85 PathProgramCache]: Analyzing trace with hash -2022557042, now seen corresponding path program 1 times [2021-11-13 17:56:31,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:56:31,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470740991] [2021-11-13 17:56:31,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:56:31,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:56:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:31,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 956 proven. 195 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-13 17:56:31,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:56:31,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470740991] [2021-11-13 17:56:31,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470740991] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:56:31,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321340942] [2021-11-13 17:56:31,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:56:31,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:56:31,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:56:31,611 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:56:31,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 17:56:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:31,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:56:31,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:56:32,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 309 proven. 0 refuted. 0 times theorem prover too weak. 1009 trivial. 0 not checked. [2021-11-13 17:56:32,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:56:32,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321340942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:56:32,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:56:32,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-11-13 17:56:32,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481602528] [2021-11-13 17:56:32,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:56:32,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:56:32,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:56:32,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:56:32,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:56:32,902 INFO L87 Difference]: Start difference. First operand 3208 states and 3478 transitions. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:33,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:56:33,507 INFO L93 Difference]: Finished difference Result 7480 states and 8166 transitions. [2021-11-13 17:56:33,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:56:33,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 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 649 [2021-11-13 17:56:33,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:56:33,510 INFO L225 Difference]: With dead ends: 7480 [2021-11-13 17:56:33,510 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 17:56:33,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 653 GetRequests, 648 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:56:33,518 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 127 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 449.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.61ms SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 552.56ms IncrementalHoareTripleChecker+Time [2021-11-13 17:56:33,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 213 Invalid, 482 Unknown, 0 Unchecked, 7.61ms Time], IncrementalHoareTripleChecker [54 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 552.56ms Time] [2021-11-13 17:56:33,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 17:56:33,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 17:56:33,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:33,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 17:56:33,520 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 649 [2021-11-13 17:56:33,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:56:33,520 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 17:56:33,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 17:56:33,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 17:56:33,524 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 17:56:33,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-13 17:56:33,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-13 17:56:33,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 17:56:34,476 INFO L858 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed. [2021-11-13 17:56:34,476 INFO L858 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2021-11-13 17:56:34,476 INFO L858 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed. [2021-11-13 17:56:34,476 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed. [2021-11-13 17:56:34,476 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed. [2021-11-13 17:56:34,476 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,476 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,476 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,476 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed. [2021-11-13 17:56:34,476 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed. [2021-11-13 17:56:34,477 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-11-13 17:56:34,477 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-13 17:56:34,477 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-11-13 17:56:34,477 INFO L858 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed. [2021-11-13 17:56:34,477 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed. [2021-11-13 17:56:34,477 INFO L858 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed. [2021-11-13 17:56:34,477 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,477 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,477 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,477 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed. [2021-11-13 17:56:34,477 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-13 17:56:34,477 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-11-13 17:56:34,478 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-11-13 17:56:34,478 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed. [2021-11-13 17:56:34,478 INFO L858 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed. [2021-11-13 17:56:34,478 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed. [2021-11-13 17:56:34,478 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed. [2021-11-13 17:56:34,478 INFO L858 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed. [2021-11-13 17:56:34,478 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,478 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,478 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,478 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed. [2021-11-13 17:56:34,478 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-11-13 17:56:34,478 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-13 17:56:34,479 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-11-13 17:56:34,479 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed. [2021-11-13 17:56:34,479 INFO L858 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed. [2021-11-13 17:56:34,479 INFO L858 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed. [2021-11-13 17:56:34,479 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,479 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,479 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,479 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed. [2021-11-13 17:56:34,479 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-11-13 17:56:34,479 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-13 17:56:34,479 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-11-13 17:56:34,479 INFO L858 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed. [2021-11-13 17:56:34,480 INFO L858 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed. [2021-11-13 17:56:34,480 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed. [2021-11-13 17:56:34,480 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed. [2021-11-13 17:56:34,480 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,480 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,480 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,480 INFO L858 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed. [2021-11-13 17:56:34,480 INFO L858 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed. [2021-11-13 17:56:34,480 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-11-13 17:56:34,480 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-13 17:56:34,480 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-11-13 17:56:34,480 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed. [2021-11-13 17:56:34,480 INFO L858 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed. [2021-11-13 17:56:34,481 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed. [2021-11-13 17:56:34,481 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,481 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,481 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,481 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed. [2021-11-13 17:56:34,481 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-11-13 17:56:34,481 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-11-13 17:56:34,481 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-11-13 17:56:34,481 INFO L858 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed. [2021-11-13 17:56:34,481 INFO L858 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed. [2021-11-13 17:56:34,481 INFO L858 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed. [2021-11-13 17:56:34,481 INFO L858 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed. [2021-11-13 17:56:34,482 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed. [2021-11-13 17:56:34,482 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,482 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,482 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,482 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed. [2021-11-13 17:56:34,482 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-13 17:56:34,482 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-11-13 17:56:34,484 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-11-13 17:56:34,484 INFO L858 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed. [2021-11-13 17:56:34,484 INFO L858 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed. [2021-11-13 17:56:34,484 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed. [2021-11-13 17:56:34,484 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 17:56:34,484 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,485 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,485 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,485 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed. [2021-11-13 17:56:34,485 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-11-13 17:56:34,485 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-11-13 17:56:34,485 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-11-13 17:56:34,486 INFO L858 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed. [2021-11-13 17:56:34,486 INFO L858 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed. [2021-11-13 17:56:34,486 INFO L858 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed. [2021-11-13 17:56:34,486 INFO L858 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed. [2021-11-13 17:56:34,486 INFO L858 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed. [2021-11-13 17:56:34,486 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,487 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,487 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,487 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed. [2021-11-13 17:56:34,487 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-13 17:56:34,487 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-11-13 17:56:34,487 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-11-13 17:56:34,488 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed. [2021-11-13 17:56:34,488 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed. [2021-11-13 17:56:34,488 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed. [2021-11-13 17:56:34,488 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed. [2021-11-13 17:56:34,488 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,488 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,488 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,489 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-13 17:56:34,489 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-11-13 17:56:34,489 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-11-13 17:56:34,489 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 17:56:34,489 INFO L858 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed. [2021-11-13 17:56:34,489 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2021-11-13 17:56:34,489 INFO L858 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed. [2021-11-13 17:56:34,490 INFO L858 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed. [2021-11-13 17:56:34,490 INFO L858 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed. [2021-11-13 17:56:34,490 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed. [2021-11-13 17:56:34,490 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,490 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,491 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,491 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed. [2021-11-13 17:56:34,491 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed. [2021-11-13 17:56:34,491 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-11-13 17:56:34,491 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-11-13 17:56:34,491 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-11-13 17:56:34,491 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed. [2021-11-13 17:56:34,492 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed. [2021-11-13 17:56:34,492 INFO L858 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed. [2021-11-13 17:56:34,492 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,492 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,492 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,493 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-13 17:56:34,493 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-11-13 17:56:34,493 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-11-13 17:56:34,493 INFO L858 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed. [2021-11-13 17:56:34,493 INFO L858 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed. [2021-11-13 17:56:34,495 INFO L858 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed. [2021-11-13 17:56:34,496 INFO L858 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed. [2021-11-13 17:56:34,496 INFO L858 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed. [2021-11-13 17:56:34,496 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,496 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,496 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,496 INFO L858 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed. [2021-11-13 17:56:34,496 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed. [2021-11-13 17:56:34,497 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-13 17:56:34,497 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-13 17:56:34,497 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-11-13 17:56:34,497 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed. [2021-11-13 17:56:34,497 INFO L858 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed. [2021-11-13 17:56:34,497 INFO L858 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed. [2021-11-13 17:56:34,497 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,498 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,498 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,498 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed. [2021-11-13 17:56:34,498 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-13 17:56:34,498 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-11-13 17:56:34,498 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-11-13 17:56:34,499 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed. [2021-11-13 17:56:34,499 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed. [2021-11-13 17:56:34,499 INFO L858 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed. [2021-11-13 17:56:34,499 INFO L858 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed. [2021-11-13 17:56:34,499 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,499 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,499 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,500 INFO L858 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed. [2021-11-13 17:56:34,500 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-13 17:56:34,500 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-11-13 17:56:34,500 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-11-13 17:56:34,500 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed. [2021-11-13 17:56:34,500 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed. [2021-11-13 17:56:34,500 INFO L858 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed. [2021-11-13 17:56:34,501 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed. [2021-11-13 17:56:34,501 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,501 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,501 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed. [2021-11-13 17:56:34,501 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-13 17:56:34,501 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-11-13 17:56:34,501 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed. [2021-11-13 17:56:34,502 INFO L858 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed. [2021-11-13 17:56:34,502 INFO L858 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed. [2021-11-13 17:56:34,502 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed. [2021-11-13 17:56:34,502 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed. [2021-11-13 17:56:34,502 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,502 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,502 INFO L858 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed. [2021-11-13 17:56:34,503 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 17:56:34,503 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-13 17:56:34,503 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-11-13 17:56:34,503 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed. [2021-11-13 17:56:34,503 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed. [2021-11-13 17:56:34,503 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed. [2021-11-13 17:56:34,503 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,504 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,504 INFO L854 garLoopResultBuilder]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse2 (<= ~a21~0 6)) (.cse1 (not (= ~a15~0 6)))) (or (and (<= 9 ~a21~0) .cse0) (and .cse0 .cse1) (and .cse0 (< 11 ~a12~0)) (and .cse0 .cse2) (and (<= ~a15~0 8) .cse2 .cse1 (<= (+ 49 ~a12~0) 0)))) [2021-11-13 17:56:34,504 INFO L858 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed. [2021-11-13 17:56:34,504 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed. [2021-11-13 17:56:34,504 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-13 17:56:34,505 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-11-13 17:56:34,505 INFO L858 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed. [2021-11-13 17:56:34,505 INFO L858 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed. [2021-11-13 17:56:34,505 INFO L858 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed. [2021-11-13 17:56:34,505 INFO L858 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed. [2021-11-13 17:56:34,505 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,505 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,506 INFO L861 garLoopResultBuilder]: At program point L884(lines 884 900) the Hoare annotation is: true [2021-11-13 17:56:34,506 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed. [2021-11-13 17:56:34,506 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed. [2021-11-13 17:56:34,506 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-13 17:56:34,506 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-13 17:56:34,506 INFO L858 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed. [2021-11-13 17:56:34,507 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed. [2021-11-13 17:56:34,507 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed. [2021-11-13 17:56:34,507 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,507 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,507 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-13 17:56:34,507 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed. [2021-11-13 17:56:34,507 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed. [2021-11-13 17:56:34,508 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-11-13 17:56:34,508 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-11-13 17:56:34,508 INFO L858 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed. [2021-11-13 17:56:34,508 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed. [2021-11-13 17:56:34,508 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,508 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,508 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-11-13 17:56:34,509 INFO L858 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,509 INFO L858 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed. [2021-11-13 17:56:34,509 INFO L854 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse2 (<= ~a21~0 6)) (.cse1 (not (= ~a15~0 6)))) (or (and (<= 9 ~a21~0) .cse0) (and .cse0 .cse1) (and .cse0 (< 11 ~a12~0)) (and .cse0 .cse2) (and (<= ~a15~0 8) .cse2 .cse1 (<= (+ 49 ~a12~0) 0)))) [2021-11-13 17:56:34,510 INFO L858 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed. [2021-11-13 17:56:34,510 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed. [2021-11-13 17:56:34,510 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-13 17:56:34,510 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-11-13 17:56:34,510 INFO L858 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-11-13 17:56:34,510 INFO L858 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed. [2021-11-13 17:56:34,511 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed. [2021-11-13 17:56:34,511 INFO L858 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed. [2021-11-13 17:56:34,511 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed. [2021-11-13 17:56:34,511 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,511 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,511 INFO L858 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2021-11-13 17:56:34,511 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed. [2021-11-13 17:56:34,512 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-11-13 17:56:34,512 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-11-13 17:56:34,512 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-11-13 17:56:34,518 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:56:34,520 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 17:56:34,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:56:34 BoogieIcfgContainer [2021-11-13 17:56:34,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 17:56:34,553 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 17:56:34,553 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 17:56:34,553 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 17:56:34,553 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:56:14" (3/4) ... [2021-11-13 17:56:34,556 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 17:56:34,593 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-13 17:56:34,594 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 17:56:34,596 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 17:56:34,598 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 17:56:34,752 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 17:56:34,753 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 17:56:34,754 INFO L158 Benchmark]: Toolchain (without parser) took 22612.93ms. Allocated memory was 104.9MB in the beginning and 375.4MB in the end (delta: 270.5MB). Free memory was 77.9MB in the beginning and 230.1MB in the end (delta: -152.2MB). Peak memory consumption was 119.6MB. Max. memory is 16.1GB. [2021-11-13 17:56:34,754 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory was 81.4MB in the beginning and 81.4MB in the end (delta: 55.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:56:34,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 754.32ms. Allocated memory was 104.9MB in the beginning and 142.6MB in the end (delta: 37.7MB). Free memory was 77.7MB in the beginning and 114.9MB in the end (delta: -37.3MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2021-11-13 17:56:34,755 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.64ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 105.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 17:56:34,755 INFO L158 Benchmark]: Boogie Preprocessor took 104.85ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 99.7MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 17:56:34,756 INFO L158 Benchmark]: RCFGBuilder took 1478.65ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 66.8MB in the end (delta: 32.9MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2021-11-13 17:56:34,756 INFO L158 Benchmark]: TraceAbstraction took 19910.72ms. Allocated memory was 142.6MB in the beginning and 375.4MB in the end (delta: 232.8MB). Free memory was 66.0MB in the beginning and 248.9MB in the end (delta: -183.0MB). Peak memory consumption was 144.7MB. Max. memory is 16.1GB. [2021-11-13 17:56:34,757 INFO L158 Benchmark]: Witness Printer took 200.12ms. Allocated memory is still 375.4MB. Free memory was 248.9MB in the beginning and 230.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-13 17:56:34,760 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory was 81.4MB in the beginning and 81.4MB in the end (delta: 55.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 754.32ms. Allocated memory was 104.9MB in the beginning and 142.6MB in the end (delta: 37.7MB). Free memory was 77.7MB in the beginning and 114.9MB in the end (delta: -37.3MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.64ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 105.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.85ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 99.7MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1478.65ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 66.8MB in the end (delta: 32.9MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * TraceAbstraction took 19910.72ms. Allocated memory was 142.6MB in the beginning and 375.4MB in the end (delta: 232.8MB). Free memory was 66.0MB in the beginning and 248.9MB in the end (delta: -183.0MB). Peak memory consumption was 144.7MB. Max. memory is 16.1GB. * Witness Printer took 200.12ms. Allocated memory is still 375.4MB. Free memory was 248.9MB in the beginning and 230.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * 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: 206]: 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, 245 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.8s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2011 SdHoareTripleChecker+Valid, 8120.50ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2011 mSDsluCounter, 1327 SdHoareTripleChecker+Invalid, 6614.20ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 73 mSDsCounter, 1179 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6338 IncrementalHoareTripleChecker+Invalid, 7517 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1179 mSolverCounterUnsat, 1254 mSDtfsCounter, 6338 mSolverCounterSat, 66.12ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2269 GetRequests, 2235 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3208occurred in iteration=10, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 1809 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 62 NumberOfFragments, 93 HoareAnnotationTreeSize, 3 FomulaSimplifications, 262 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1624 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 6584 NumberOfCodeBlocks, 6584 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 6569 ConstructedInterpolants, 0 QuantifiedInterpolants, 23805 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2896 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 10309/11089 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: 30]: Loop Invariant Derived loop invariant: ((((9 <= a21 && a24 == 1) || (a24 == 1 && !(a15 == 6))) || (a24 == 1 && 11 < a12)) || (a24 == 1 && a21 <= 6)) || (((a15 <= 8 && a21 <= 6) && !(a15 == 6)) && 49 + a12 <= 0) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((9 <= a21 && a24 == 1) || (a24 == 1 && !(a15 == 6))) || (a24 == 1 && 11 < a12)) || (a24 == 1 && a21 <= 6)) || (((a15 <= 8 && a21 <= 6) && !(a15 == 6)) && 49 + a12 <= 0) RESULT: Ultimate proved your program to be correct! [2021-11-13 17:56:34,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1906aef7-0fcd-44d6-968d-49b8b6843e73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE