./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label26.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_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/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_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label26.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/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_f65b64b7-75c3-4232-b0bf-216fa2638e41/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 cdf2fa99034a2ce4515fc13e5b104f83251835a7a436038ebabc8d1f47f1da91 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:45:06,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:45:06,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:45:06,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:45:06,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:45:06,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:45:06,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:45:06,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:45:06,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:45:06,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:45:06,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:45:06,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:45:06,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:45:06,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:45:06,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:45:06,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:45:06,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:45:06,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:45:06,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:45:06,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:45:06,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:45:06,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:45:06,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:45:06,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:45:06,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:45:06,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:45:06,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:45:06,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:45:06,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:45:06,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:45:06,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:45:06,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:45:06,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:45:06,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:45:06,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:45:06,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:45:06,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:45:06,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:45:06,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:45:06,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:45:06,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:45:06,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 17:45:06,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:45:06,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:45:06,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:45:06,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:45:06,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:45:06,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:45:06,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:45:06,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:45:06,971 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:45:06,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:45:06,972 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:45:06,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:45:06,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:45:06,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:45:06,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:45:06,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:45:06,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:45:06,974 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:45:06,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:45:06,975 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:45:06,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:45:06,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:45:06,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:45:06,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:45:06,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:45:06,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:45:06,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:45:06,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:45:06,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:45:06,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:45:06,980 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:45:06,981 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:45:06,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:45:06,981 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:45:06,982 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_f65b64b7-75c3-4232-b0bf-216fa2638e41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdf2fa99034a2ce4515fc13e5b104f83251835a7a436038ebabc8d1f47f1da91 [2021-11-13 17:45:07,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:45:07,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:45:07,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:45:07,338 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:45:07,339 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:45:07,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/eca-rers2012/Problem15_label26.c [2021-11-13 17:45:07,401 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/data/69e8a8312/39bb7475ba4e4617be5cf0c131d7e5bc/FLAGfaedd99a5 [2021-11-13 17:45:08,068 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:45:08,070 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/sv-benchmarks/c/eca-rers2012/Problem15_label26.c [2021-11-13 17:45:08,095 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/data/69e8a8312/39bb7475ba4e4617be5cf0c131d7e5bc/FLAGfaedd99a5 [2021-11-13 17:45:08,208 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/data/69e8a8312/39bb7475ba4e4617be5cf0c131d7e5bc [2021-11-13 17:45:08,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:45:08,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:45:08,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:45:08,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:45:08,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:45:08,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:45:08" (1/1) ... [2021-11-13 17:45:08,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87f1da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:08, skipping insertion in model container [2021-11-13 17:45:08,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:45:08" (1/1) ... [2021-11-13 17:45:08,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:45:08,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:45:08,582 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_f65b64b7-75c3-4232-b0bf-216fa2638e41/sv-benchmarks/c/eca-rers2012/Problem15_label26.c[6541,6554] [2021-11-13 17:45:09,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:45:09,182 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:45:09,229 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_f65b64b7-75c3-4232-b0bf-216fa2638e41/sv-benchmarks/c/eca-rers2012/Problem15_label26.c[6541,6554] [2021-11-13 17:45:09,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:45:09,679 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:45:09,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:09 WrapperNode [2021-11-13 17:45:09,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:45:09,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:45:09,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:45:09,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:45:09,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:09" (1/1) ... [2021-11-13 17:45:09,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:09" (1/1) ... [2021-11-13 17:45:09,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:45:09,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:45:09,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:45:09,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:45:09,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:09" (1/1) ... [2021-11-13 17:45:09,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:09" (1/1) ... [2021-11-13 17:45:10,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:09" (1/1) ... [2021-11-13 17:45:10,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:09" (1/1) ... [2021-11-13 17:45:10,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:09" (1/1) ... [2021-11-13 17:45:10,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:09" (1/1) ... [2021-11-13 17:45:10,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:09" (1/1) ... [2021-11-13 17:45:10,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:45:10,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:45:10,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:45:10,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:45:10,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:09" (1/1) ... [2021-11-13 17:45:10,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:45:10,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:45:10,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:45:10,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:45:10,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:45:10,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:45:10,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:45:10,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:45:13,761 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:45:13,762 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 17:45:13,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:45:13 BoogieIcfgContainer [2021-11-13 17:45:13,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:45:13,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:45:13,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:45:13,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:45:13,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:45:08" (1/3) ... [2021-11-13 17:45:13,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd4f527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:45:13, skipping insertion in model container [2021-11-13 17:45:13,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:09" (2/3) ... [2021-11-13 17:45:13,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd4f527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:45:13, skipping insertion in model container [2021-11-13 17:45:13,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:45:13" (3/3) ... [2021-11-13 17:45:13,776 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label26.c [2021-11-13 17:45:13,782 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:45:13,782 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 17:45:13,845 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:45:13,854 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 17:45:13,855 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 17:45:13,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:45:13,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 17:45:13,896 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:45:13,897 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] [2021-11-13 17:45:13,897 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:45:13,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:45:13,904 INFO L85 PathProgramCache]: Analyzing trace with hash -92557335, now seen corresponding path program 1 times [2021-11-13 17:45:13,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:45:13,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54160039] [2021-11-13 17:45:13,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:45:13,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:45:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:14,358 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 17:45:14,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:45:14,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54160039] [2021-11-13 17:45:14,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54160039] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:45:14,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:45:14,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 17:45:14,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496304801] [2021-11-13 17:45:14,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:45:14,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:45:14,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:45:14,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:45:14,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:45:14,417 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 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 17:45:17,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:45:17,402 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2021-11-13 17:45:17,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:45:17,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2021-11-13 17:45:17,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:45:17,424 INFO L225 Difference]: With dead ends: 1154 [2021-11-13 17:45:17,425 INFO L226 Difference]: Without dead ends: 665 [2021-11-13 17:45:17,430 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 17:45:17,434 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 268 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2268.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.80ms SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2851.30ms IncrementalHoareTripleChecker+Time [2021-11-13 17:45:17,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 383 Invalid, 1230 Unknown, 0 Unchecked, 20.80ms Time], IncrementalHoareTripleChecker [254 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 2851.30ms Time] [2021-11-13 17:45:17,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-11-13 17:45:17,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2021-11-13 17:45:17,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 0 states have call successors, (0), 0 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 17:45:17,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2021-11-13 17:45:17,540 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 53 [2021-11-13 17:45:17,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:45:17,541 INFO L470 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2021-11-13 17:45:17,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 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 17:45:17,541 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2021-11-13 17:45:17,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-13 17:45:17,549 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:45:17,550 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:45:17,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:45:17,550 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:45:17,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:45:17,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1371805199, now seen corresponding path program 1 times [2021-11-13 17:45:17,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:45:17,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199128055] [2021-11-13 17:45:17,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:45:17,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:45:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:17,689 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:45:17,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:45:17,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199128055] [2021-11-13 17:45:17,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199128055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:45:17,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:45:17,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 17:45:17,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950972083] [2021-11-13 17:45:17,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:45:17,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:45:17,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:45:17,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:45:17,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:45:17,694 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 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 17:45:19,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:45:19,605 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2021-11-13 17:45:19,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:45:19,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2021-11-13 17:45:19,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:45:19,614 INFO L225 Difference]: With dead ends: 1624 [2021-11-13 17:45:19,614 INFO L226 Difference]: Without dead ends: 963 [2021-11-13 17:45:19,616 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 17:45:19,618 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1556.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.90ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1853.84ms IncrementalHoareTripleChecker+Time [2021-11-13 17:45:19,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 337 Invalid, 934 Unknown, 0 Unchecked, 10.90ms Time], IncrementalHoareTripleChecker [24 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 1853.84ms Time] [2021-11-13 17:45:19,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-11-13 17:45:19,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2021-11-13 17:45:19,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 0 states have call successors, (0), 0 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 17:45:19,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2021-11-13 17:45:19,700 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 118 [2021-11-13 17:45:19,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:45:19,704 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2021-11-13 17:45:19,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 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 17:45:19,705 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2021-11-13 17:45:19,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-13 17:45:19,718 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:45:19,719 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 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 17:45:19,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 17:45:19,720 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:45:19,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:45:19,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1380310786, now seen corresponding path program 1 times [2021-11-13 17:45:19,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:45:19,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97042705] [2021-11-13 17:45:19,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:45:19,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:45:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:19,982 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:45:19,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:45:19,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97042705] [2021-11-13 17:45:19,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97042705] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:45:19,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:45:19,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:45:19,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278334232] [2021-11-13 17:45:19,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:45:19,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:45:19,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:45:19,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:45:19,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:45:19,994 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 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 17:45:23,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:45:23,376 INFO L93 Difference]: Finished difference Result 2244 states and 3201 transitions. [2021-11-13 17:45:23,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:45:23,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2021-11-13 17:45:23,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:45:23,390 INFO L225 Difference]: With dead ends: 2244 [2021-11-13 17:45:23,390 INFO L226 Difference]: Without dead ends: 1582 [2021-11-13 17:45:23,392 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 17:45:23,403 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 362 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 483 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2809.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 2146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.47ms SdHoareTripleChecker+Time, 483 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3277.84ms IncrementalHoareTripleChecker+Time [2021-11-13 17:45:23,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 365 Invalid, 2146 Unknown, 0 Unchecked, 16.47ms Time], IncrementalHoareTripleChecker [483 Valid, 1663 Invalid, 0 Unknown, 0 Unchecked, 3277.84ms Time] [2021-11-13 17:45:23,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2021-11-13 17:45:23,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1266. [2021-11-13 17:45:23,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3043478260869565) internal successors, (1650), 1265 states have internal predecessors, (1650), 0 states have call successors, (0), 0 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 17:45:23,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2021-11-13 17:45:23,491 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 123 [2021-11-13 17:45:23,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:45:23,494 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2021-11-13 17:45:23,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 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 17:45:23,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2021-11-13 17:45:23,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-13 17:45:23,508 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:45:23,508 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:45:23,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 17:45:23,509 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:45:23,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:45:23,511 INFO L85 PathProgramCache]: Analyzing trace with hash 72771962, now seen corresponding path program 1 times [2021-11-13 17:45:23,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:45:23,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864109256] [2021-11-13 17:45:23,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:45:23,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:45:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:23,782 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:45:23,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:45:23,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864109256] [2021-11-13 17:45:23,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864109256] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:45:23,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:45:23,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:45:23,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979346874] [2021-11-13 17:45:23,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:45:23,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:45:23,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:45:23,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:45:23,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:45:23,786 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 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 17:45:27,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:45:27,670 INFO L93 Difference]: Finished difference Result 4668 states and 6169 transitions. [2021-11-13 17:45:27,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:45:27,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 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 219 [2021-11-13 17:45:27,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:45:27,699 INFO L225 Difference]: With dead ends: 4668 [2021-11-13 17:45:27,699 INFO L226 Difference]: Without dead ends: 3404 [2021-11-13 17:45:27,702 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 17:45:27,703 INFO L933 BasicCegarLoop]: 291 mSDtfsCounter, 488 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3332.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 2237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.44ms SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3795.71ms IncrementalHoareTripleChecker+Time [2021-11-13 17:45:27,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [488 Valid, 346 Invalid, 2237 Unknown, 0 Unchecked, 14.44ms Time], IncrementalHoareTripleChecker [284 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 3795.71ms Time] [2021-11-13 17:45:27,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2021-11-13 17:45:27,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 3381. [2021-11-13 17:45:27,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.2363905325443787) internal successors, (4179), 3380 states have internal predecessors, (4179), 0 states have call successors, (0), 0 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 17:45:27,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4179 transitions. [2021-11-13 17:45:27,799 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4179 transitions. Word has length 219 [2021-11-13 17:45:27,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:45:27,801 INFO L470 AbstractCegarLoop]: Abstraction has 3381 states and 4179 transitions. [2021-11-13 17:45:27,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 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 17:45:27,802 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4179 transitions. [2021-11-13 17:45:27,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-13 17:45:27,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:45:27,808 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, 2, 2, 2, 2, 2, 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] [2021-11-13 17:45:27,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 17:45:27,808 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:45:27,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:45:27,810 INFO L85 PathProgramCache]: Analyzing trace with hash 907724420, now seen corresponding path program 1 times [2021-11-13 17:45:27,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:45:27,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002210771] [2021-11-13 17:45:27,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:45:27,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:45:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:27,997 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-13 17:45:27,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:45:27,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002210771] [2021-11-13 17:45:27,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002210771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:45:27,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:45:27,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 17:45:27,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595799025] [2021-11-13 17:45:28,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:45:28,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:45:28,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:45:28,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:45:28,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:45:28,003 INFO L87 Difference]: Start difference. First operand 3381 states and 4179 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 0 states have call successors, (0), 0 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 17:45:29,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:45:29,924 INFO L93 Difference]: Finished difference Result 8563 states and 10751 transitions. [2021-11-13 17:45:29,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:45:29,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 0 states have call successors, (0), 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 17:45:29,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:45:29,958 INFO L225 Difference]: With dead ends: 8563 [2021-11-13 17:45:29,958 INFO L226 Difference]: Without dead ends: 5483 [2021-11-13 17:45:29,963 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 17:45:29,964 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1523.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.48ms SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1801.88ms IncrementalHoareTripleChecker+Time [2021-11-13 17:45:29,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 5.48ms Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1801.88ms Time] [2021-11-13 17:45:29,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2021-11-13 17:45:30,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2021-11-13 17:45:30,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1683403322987036) internal successors, (6399), 5477 states have internal predecessors, (6399), 0 states have call successors, (0), 0 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 17:45:30,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6399 transitions. [2021-11-13 17:45:30,121 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6399 transitions. Word has length 223 [2021-11-13 17:45:30,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:45:30,122 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6399 transitions. [2021-11-13 17:45:30,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 0 states have call successors, (0), 0 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 17:45:30,123 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6399 transitions. [2021-11-13 17:45:30,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-13 17:45:30,131 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:45:30,136 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:45:30,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 17:45:30,137 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:45:30,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:45:30,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2143639772, now seen corresponding path program 1 times [2021-11-13 17:45:30,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:45:30,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696258638] [2021-11-13 17:45:30,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:45:30,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:45:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:30,403 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-13 17:45:30,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:45:30,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696258638] [2021-11-13 17:45:30,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696258638] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:45:30,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:45:30,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 17:45:30,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416070868] [2021-11-13 17:45:30,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:45:30,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:45:30,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:45:30,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:45:30,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:45:30,407 INFO L87 Difference]: Start difference. First operand 5478 states and 6399 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:45:32,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:45:32,798 INFO L93 Difference]: Finished difference Result 10655 states and 12485 transitions. [2021-11-13 17:45:32,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:45:32,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 325 [2021-11-13 17:45:32,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:45:32,832 INFO L225 Difference]: With dead ends: 10655 [2021-11-13 17:45:32,833 INFO L226 Difference]: Without dead ends: 5478 [2021-11-13 17:45:32,840 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 17:45:32,841 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2067.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.75ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2319.99ms IncrementalHoareTripleChecker+Time [2021-11-13 17:45:32,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 4.75ms Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 2319.99ms Time] [2021-11-13 17:45:32,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2021-11-13 17:45:32,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2021-11-13 17:45:32,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1672448420668249) internal successors, (6393), 5477 states have internal predecessors, (6393), 0 states have call successors, (0), 0 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 17:45:32,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6393 transitions. [2021-11-13 17:45:32,997 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6393 transitions. Word has length 325 [2021-11-13 17:45:32,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:45:32,998 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6393 transitions. [2021-11-13 17:45:32,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:45:32,999 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6393 transitions. [2021-11-13 17:45:33,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-13 17:45:33,006 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:45:33,007 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:45:33,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 17:45:33,007 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:45:33,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:45:33,008 INFO L85 PathProgramCache]: Analyzing trace with hash 350088141, now seen corresponding path program 1 times [2021-11-13 17:45:33,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:45:33,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713620842] [2021-11-13 17:45:33,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:45:33,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:45:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:33,275 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-13 17:45:33,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:45:33,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713620842] [2021-11-13 17:45:33,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713620842] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:45:33,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:45:33,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:45:33,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416065233] [2021-11-13 17:45:33,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:45:33,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:45:33,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:45:33,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:45:33,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:45:33,279 INFO L87 Difference]: Start difference. First operand 5478 states and 6393 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 17:45:35,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:45:35,988 INFO L93 Difference]: Finished difference Result 11851 states and 14145 transitions. [2021-11-13 17:45:35,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:45:35,991 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 340 [2021-11-13 17:45:35,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:45:36,029 INFO L225 Difference]: With dead ends: 11851 [2021-11-13 17:45:36,029 INFO L226 Difference]: Without dead ends: 6674 [2021-11-13 17:45:36,036 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 17:45:36,037 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 262 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2331.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.56ms SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2608.08ms IncrementalHoareTripleChecker+Time [2021-11-13 17:45:36,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 5.56ms Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 2608.08ms Time] [2021-11-13 17:45:36,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2021-11-13 17:45:36,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 4577. [2021-11-13 17:45:36,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4577 states, 4576 states have (on average 1.1840034965034965) internal successors, (5418), 4576 states have internal predecessors, (5418), 0 states have call successors, (0), 0 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 17:45:36,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4577 states to 4577 states and 5418 transitions. [2021-11-13 17:45:36,171 INFO L78 Accepts]: Start accepts. Automaton has 4577 states and 5418 transitions. Word has length 340 [2021-11-13 17:45:36,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:45:36,172 INFO L470 AbstractCegarLoop]: Abstraction has 4577 states and 5418 transitions. [2021-11-13 17:45:36,172 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 17:45:36,172 INFO L276 IsEmpty]: Start isEmpty. Operand 4577 states and 5418 transitions. [2021-11-13 17:45:36,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2021-11-13 17:45:36,186 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:45:36,186 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:45:36,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 17:45:36,187 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:45:36,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:45:36,188 INFO L85 PathProgramCache]: Analyzing trace with hash -683428854, now seen corresponding path program 1 times [2021-11-13 17:45:36,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:45:36,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70020364] [2021-11-13 17:45:36,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:45:36,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:45:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:36,517 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-13 17:45:36,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:45:36,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70020364] [2021-11-13 17:45:36,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70020364] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:45:36,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:45:36,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:45:36,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092201609] [2021-11-13 17:45:36,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:45:36,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:45:36,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:45:36,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:45:36,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:45:36,521 INFO L87 Difference]: Start difference. First operand 4577 states and 5418 transitions. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 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 17:45:38,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:45:38,214 INFO L93 Difference]: Finished difference Result 10960 states and 13243 transitions. [2021-11-13 17:45:38,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:45:38,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 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 399 [2021-11-13 17:45:38,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:45:38,253 INFO L225 Difference]: With dead ends: 10960 [2021-11-13 17:45:38,254 INFO L226 Difference]: Without dead ends: 6684 [2021-11-13 17:45:38,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 17:45:38,261 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 342 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1375.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.40ms SdHoareTripleChecker+Time, 349 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1630.55ms IncrementalHoareTripleChecker+Time [2021-11-13 17:45:38,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [342 Valid, 194 Invalid, 1200 Unknown, 0 Unchecked, 5.40ms Time], IncrementalHoareTripleChecker [349 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 1630.55ms Time] [2021-11-13 17:45:38,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6684 states. [2021-11-13 17:45:38,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6684 to 5184. [2021-11-13 17:45:38,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5184 states, 5183 states have (on average 1.2249662357707891) internal successors, (6349), 5183 states have internal predecessors, (6349), 0 states have call successors, (0), 0 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 17:45:38,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5184 states to 5184 states and 6349 transitions. [2021-11-13 17:45:38,470 INFO L78 Accepts]: Start accepts. Automaton has 5184 states and 6349 transitions. Word has length 399 [2021-11-13 17:45:38,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:45:38,471 INFO L470 AbstractCegarLoop]: Abstraction has 5184 states and 6349 transitions. [2021-11-13 17:45:38,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 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 17:45:38,472 INFO L276 IsEmpty]: Start isEmpty. Operand 5184 states and 6349 transitions. [2021-11-13 17:45:38,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2021-11-13 17:45:38,483 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:45:38,484 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:45:38,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 17:45:38,484 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:45:38,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:45:38,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1754448899, now seen corresponding path program 1 times [2021-11-13 17:45:38,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:45:38,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154928146] [2021-11-13 17:45:38,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:45:38,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:45:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:38,716 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:45:38,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:45:38,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154928146] [2021-11-13 17:45:38,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154928146] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:45:38,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:45:38,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:45:38,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919115828] [2021-11-13 17:45:38,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:45:38,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:45:38,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:45:38,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:45:38,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:45:38,720 INFO L87 Difference]: Start difference. First operand 5184 states and 6349 transitions. Second operand has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 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 17:45:41,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:45:41,121 INFO L93 Difference]: Finished difference Result 11268 states and 13765 transitions. [2021-11-13 17:45:41,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:45:41,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 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 416 [2021-11-13 17:45:41,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:45:41,144 INFO L225 Difference]: With dead ends: 11268 [2021-11-13 17:45:41,145 INFO L226 Difference]: Without dead ends: 6385 [2021-11-13 17:45:41,151 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 17:45:41,152 INFO L933 BasicCegarLoop]: 587 mSDtfsCounter, 249 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2055.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.32ms SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2331.32ms IncrementalHoareTripleChecker+Time [2021-11-13 17:45:41,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 625 Invalid, 1127 Unknown, 0 Unchecked, 5.32ms Time], IncrementalHoareTripleChecker [207 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 2331.32ms Time] [2021-11-13 17:45:41,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6385 states. [2021-11-13 17:45:41,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6385 to 6083. [2021-11-13 17:45:41,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6083 states, 6082 states have (on average 1.1428806313712594) internal successors, (6951), 6082 states have internal predecessors, (6951), 0 states have call successors, (0), 0 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 17:45:41,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6083 states to 6083 states and 6951 transitions. [2021-11-13 17:45:41,316 INFO L78 Accepts]: Start accepts. Automaton has 6083 states and 6951 transitions. Word has length 416 [2021-11-13 17:45:41,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:45:41,317 INFO L470 AbstractCegarLoop]: Abstraction has 6083 states and 6951 transitions. [2021-11-13 17:45:41,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 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 17:45:41,318 INFO L276 IsEmpty]: Start isEmpty. Operand 6083 states and 6951 transitions. [2021-11-13 17:45:41,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2021-11-13 17:45:41,328 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:45:41,329 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, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:45:41,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-13 17:45:41,329 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:45:41,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:45:41,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1079722266, now seen corresponding path program 1 times [2021-11-13 17:45:41,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:45:41,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382957955] [2021-11-13 17:45:41,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:45:41,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:45:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:41,554 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-13 17:45:41,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:45:41,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382957955] [2021-11-13 17:45:41,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382957955] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:45:41,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:45:41,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:45:41,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093683102] [2021-11-13 17:45:41,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:45:41,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:45:41,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:45:41,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:45:41,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:45:41,557 INFO L87 Difference]: Start difference. First operand 6083 states and 6951 transitions. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 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 17:45:43,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:45:43,375 INFO L93 Difference]: Finished difference Result 13661 states and 15886 transitions. [2021-11-13 17:45:43,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:45:43,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 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 421 [2021-11-13 17:45:43,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:45:43,398 INFO L225 Difference]: With dead ends: 13661 [2021-11-13 17:45:43,399 INFO L226 Difference]: Without dead ends: 7879 [2021-11-13 17:45:43,405 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 17:45:43,406 INFO L933 BasicCegarLoop]: 580 mSDtfsCounter, 245 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1470.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.56ms SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1744.78ms IncrementalHoareTripleChecker+Time [2021-11-13 17:45:43,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 619 Invalid, 1085 Unknown, 0 Unchecked, 4.56ms Time], IncrementalHoareTripleChecker [205 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 1744.78ms Time] [2021-11-13 17:45:43,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7879 states. [2021-11-13 17:45:43,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7879 to 7875. [2021-11-13 17:45:43,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7875 states, 7874 states have (on average 1.1282702565405132) internal successors, (8884), 7874 states have internal predecessors, (8884), 0 states have call successors, (0), 0 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 17:45:43,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7875 states to 7875 states and 8884 transitions. [2021-11-13 17:45:43,558 INFO L78 Accepts]: Start accepts. Automaton has 7875 states and 8884 transitions. Word has length 421 [2021-11-13 17:45:43,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:45:43,559 INFO L470 AbstractCegarLoop]: Abstraction has 7875 states and 8884 transitions. [2021-11-13 17:45:43,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 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 17:45:43,560 INFO L276 IsEmpty]: Start isEmpty. Operand 7875 states and 8884 transitions. [2021-11-13 17:45:43,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2021-11-13 17:45:43,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:45:43,567 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:45:43,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-13 17:45:43,568 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:45:43,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:45:43,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1964586309, now seen corresponding path program 1 times [2021-11-13 17:45:43,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:45:43,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626609967] [2021-11-13 17:45:43,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:45:43,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:45:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-11-13 17:45:43,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:45:43,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626609967] [2021-11-13 17:45:43,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626609967] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:45:43,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:45:43,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:45:43,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463542110] [2021-11-13 17:45:43,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:45:43,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:45:43,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:45:43,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:45:43,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:45:43,796 INFO L87 Difference]: Start difference. First operand 7875 states and 8884 transitions. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:45:45,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:45:45,814 INFO L93 Difference]: Finished difference Result 17541 states and 20130 transitions. [2021-11-13 17:45:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:45:45,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 517 [2021-11-13 17:45:45,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:45:45,836 INFO L225 Difference]: With dead ends: 17541 [2021-11-13 17:45:45,837 INFO L226 Difference]: Without dead ends: 9967 [2021-11-13 17:45:45,844 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 17:45:45,845 INFO L933 BasicCegarLoop]: 427 mSDtfsCounter, 362 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1698.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.95ms SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1940.16ms IncrementalHoareTripleChecker+Time [2021-11-13 17:45:45,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 447 Invalid, 1096 Unknown, 0 Unchecked, 3.95ms Time], IncrementalHoareTripleChecker [127 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 1940.16ms Time] [2021-11-13 17:45:45,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9967 states. [2021-11-13 17:45:46,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9967 to 9967. [2021-11-13 17:45:46,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9967 states, 9966 states have (on average 1.1420830824804336) internal successors, (11382), 9966 states have internal predecessors, (11382), 0 states have call successors, (0), 0 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 17:45:46,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9967 states to 9967 states and 11382 transitions. [2021-11-13 17:45:46,049 INFO L78 Accepts]: Start accepts. Automaton has 9967 states and 11382 transitions. Word has length 517 [2021-11-13 17:45:46,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:45:46,050 INFO L470 AbstractCegarLoop]: Abstraction has 9967 states and 11382 transitions. [2021-11-13 17:45:46,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:45:46,051 INFO L276 IsEmpty]: Start isEmpty. Operand 9967 states and 11382 transitions. [2021-11-13 17:45:46,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2021-11-13 17:45:46,062 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:45:46,063 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:45:46,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-13 17:45:46,064 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:45:46,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:45:46,064 INFO L85 PathProgramCache]: Analyzing trace with hash 667607770, now seen corresponding path program 1 times [2021-11-13 17:45:46,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:45:46,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649653457] [2021-11-13 17:45:46,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:45:46,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:45:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:46,354 INFO L134 CoverageAnalysis]: Checked inductivity of 859 backedges. 598 proven. 39 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-13 17:45:46,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:45:46,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649653457] [2021-11-13 17:45:46,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649653457] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:45:46,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211350694] [2021-11-13 17:45:46,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:45:46,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:45:46,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:45:46,357 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:45:46,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 17:45:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:46,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 17:45:46,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:45:48,801 INFO L134 CoverageAnalysis]: Checked inductivity of 859 backedges. 598 proven. 39 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-13 17:45:48,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:45:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 859 backedges. 598 proven. 39 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-13 17:45:50,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211350694] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:45:50,818 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:45:50,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-11-13 17:45:50,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589925382] [2021-11-13 17:45:50,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:45:50,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 17:45:50,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:45:50,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 17:45:50,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:45:50,823 INFO L87 Difference]: Start difference. First operand 9967 states and 11382 transitions. Second operand has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 0 states have call successors, (0), 0 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 17:45:58,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:45:58,137 INFO L93 Difference]: Finished difference Result 26769 states and 30359 transitions. [2021-11-13 17:45:58,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 17:45:58,138 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 0 states have call successors, (0), 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 608 [2021-11-13 17:45:58,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:45:58,162 INFO L225 Difference]: With dead ends: 26769 [2021-11-13 17:45:58,162 INFO L226 Difference]: Without dead ends: 11461 [2021-11-13 17:45:58,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1225 GetRequests, 1211 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-11-13 17:45:58,176 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 2643 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 6494 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5929.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2643 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 7154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.99ms SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 6494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6997.14ms IncrementalHoareTripleChecker+Time [2021-11-13 17:45:58,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2643 Valid, 290 Invalid, 7154 Unknown, 0 Unchecked, 19.99ms Time], IncrementalHoareTripleChecker [660 Valid, 6494 Invalid, 0 Unknown, 0 Unchecked, 6997.14ms Time] [2021-11-13 17:45:58,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11461 states. [2021-11-13 17:45:58,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11461 to 8169. [2021-11-13 17:45:58,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8169 states, 8168 states have (on average 1.0668462291870715) internal successors, (8714), 8168 states have internal predecessors, (8714), 0 states have call successors, (0), 0 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 17:45:58,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8169 states to 8169 states and 8714 transitions. [2021-11-13 17:45:58,443 INFO L78 Accepts]: Start accepts. Automaton has 8169 states and 8714 transitions. Word has length 608 [2021-11-13 17:45:58,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:45:58,444 INFO L470 AbstractCegarLoop]: Abstraction has 8169 states and 8714 transitions. [2021-11-13 17:45:58,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 0 states have call successors, (0), 0 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 17:45:58,444 INFO L276 IsEmpty]: Start isEmpty. Operand 8169 states and 8714 transitions. [2021-11-13 17:45:58,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2021-11-13 17:45:58,462 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:45:58,464 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 17:45:58,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 17:45:58,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-13 17:45:58,678 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:45:58,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:45:58,679 INFO L85 PathProgramCache]: Analyzing trace with hash 307890966, now seen corresponding path program 1 times [2021-11-13 17:45:58,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:45:58,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150230245] [2021-11-13 17:45:58,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:45:58,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:45:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:59,063 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2021-11-13 17:45:59,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:45:59,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150230245] [2021-11-13 17:45:59,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150230245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:45:59,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:45:59,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:45:59,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244486932] [2021-11-13 17:45:59,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:45:59,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:45:59,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:45:59,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:45:59,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:45:59,068 INFO L87 Difference]: Start difference. First operand 8169 states and 8714 transitions. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 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 17:46:00,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:00,551 INFO L93 Difference]: Finished difference Result 18428 states and 19792 transitions. [2021-11-13 17:46:00,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:46:00,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 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 678 [2021-11-13 17:46:00,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:00,572 INFO L225 Difference]: With dead ends: 18428 [2021-11-13 17:46:00,572 INFO L226 Difference]: Without dead ends: 10261 [2021-11-13 17:46:00,581 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 17:46:00,582 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 277 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1159.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.73ms SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1403.99ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:00,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 191 Invalid, 910 Unknown, 0 Unchecked, 3.73ms Time], IncrementalHoareTripleChecker [112 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 1403.99ms Time] [2021-11-13 17:46:00,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10261 states. [2021-11-13 17:46:00,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10261 to 9961. [2021-11-13 17:46:00,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9961 states, 9960 states have (on average 1.0639558232931727) internal successors, (10597), 9960 states have internal predecessors, (10597), 0 states have call successors, (0), 0 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 17:46:00,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9961 states to 9961 states and 10597 transitions. [2021-11-13 17:46:00,729 INFO L78 Accepts]: Start accepts. Automaton has 9961 states and 10597 transitions. Word has length 678 [2021-11-13 17:46:00,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:46:00,730 INFO L470 AbstractCegarLoop]: Abstraction has 9961 states and 10597 transitions. [2021-11-13 17:46:00,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 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 17:46:00,730 INFO L276 IsEmpty]: Start isEmpty. Operand 9961 states and 10597 transitions. [2021-11-13 17:46:00,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2021-11-13 17:46:00,740 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:00,741 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:46:00,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-13 17:46:00,741 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:46:00,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:00,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1841661433, now seen corresponding path program 1 times [2021-11-13 17:46:00,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:46:00,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50153678] [2021-11-13 17:46:00,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:00,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:46:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:01,100 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 596 proven. 190 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-13 17:46:01,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:46:01,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50153678] [2021-11-13 17:46:01,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50153678] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:46:01,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829829744] [2021-11-13 17:46:01,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:01,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:46:01,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:46:01,103 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:46:01,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 17:46:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:01,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:46:01,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:46:10,937 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2021-11-13 17:46:10,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:46:10,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829829744] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:46:10,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:46:10,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-13 17:46:10,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168284491] [2021-11-13 17:46:10,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:46:10,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:46:10,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:46:10,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:46:10,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:46:10,941 INFO L87 Difference]: Start difference. First operand 9961 states and 10597 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 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 17:46:11,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:11,001 INFO L93 Difference]: Finished difference Result 10014 states and 10650 transitions. [2021-11-13 17:46:11,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:46:11,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 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 685 [2021-11-13 17:46:11,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:11,014 INFO L225 Difference]: With dead ends: 10014 [2021-11-13 17:46:11,014 INFO L226 Difference]: Without dead ends: 10012 [2021-11-13 17:46:11,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 684 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:46:11,017 INFO L933 BasicCegarLoop]: 499 mSDtfsCounter, 0 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 505 IncrementalHoareTripleChecker+Unchecked, 1.23ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:11,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 537 Invalid, 505 Unknown, 0 Unchecked, 2.48ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 505 Unchecked, 1.23ms Time] [2021-11-13 17:46:11,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10012 states. [2021-11-13 17:46:11,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10012 to 10012. [2021-11-13 17:46:11,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10012 states, 10011 states have (on average 1.0636300069923084) internal successors, (10648), 10011 states have internal predecessors, (10648), 0 states have call successors, (0), 0 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 17:46:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10012 states to 10012 states and 10648 transitions. [2021-11-13 17:46:11,158 INFO L78 Accepts]: Start accepts. Automaton has 10012 states and 10648 transitions. Word has length 685 [2021-11-13 17:46:11,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:46:11,159 INFO L470 AbstractCegarLoop]: Abstraction has 10012 states and 10648 transitions. [2021-11-13 17:46:11,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 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 17:46:11,160 INFO L276 IsEmpty]: Start isEmpty. Operand 10012 states and 10648 transitions. [2021-11-13 17:46:11,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2021-11-13 17:46:11,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:11,175 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:11,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 17:46:11,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-13 17:46:11,390 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:46:11,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:11,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1428206667, now seen corresponding path program 1 times [2021-11-13 17:46:11,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:46:11,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740258640] [2021-11-13 17:46:11,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:11,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:46:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 526 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2021-11-13 17:46:11,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:46:11,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740258640] [2021-11-13 17:46:11,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740258640] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:46:11,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:46:11,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:46:11,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468561481] [2021-11-13 17:46:11,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:46:11,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:46:11,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:46:11,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:46:11,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:46:11,658 INFO L87 Difference]: Start difference. First operand 10012 states and 10648 transitions. Second operand has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 17:46:12,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:12,861 INFO L93 Difference]: Finished difference Result 19721 states and 20991 transitions. [2021-11-13 17:46:12,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:46:12,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 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 700 [2021-11-13 17:46:12,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:12,876 INFO L225 Difference]: With dead ends: 19721 [2021-11-13 17:46:12,876 INFO L226 Difference]: Without dead ends: 10010 [2021-11-13 17:46:12,886 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 17:46:12,888 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 435 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 918.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.95ms SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1121.76ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:12,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [435 Valid, 69 Invalid, 811 Unknown, 0 Unchecked, 4.95ms Time], IncrementalHoareTripleChecker [84 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 1121.76ms Time] [2021-11-13 17:46:12,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10010 states. [2021-11-13 17:46:13,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10010 to 10010. [2021-11-13 17:46:13,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10010 states, 10009 states have (on average 1.06344290138875) internal successors, (10644), 10009 states have internal predecessors, (10644), 0 states have call successors, (0), 0 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 17:46:13,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10010 states to 10010 states and 10644 transitions. [2021-11-13 17:46:13,154 INFO L78 Accepts]: Start accepts. Automaton has 10010 states and 10644 transitions. Word has length 700 [2021-11-13 17:46:13,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:46:13,155 INFO L470 AbstractCegarLoop]: Abstraction has 10010 states and 10644 transitions. [2021-11-13 17:46:13,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 17:46:13,156 INFO L276 IsEmpty]: Start isEmpty. Operand 10010 states and 10644 transitions. [2021-11-13 17:46:13,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2021-11-13 17:46:13,168 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:13,169 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-13 17:46:13,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-13 17:46:13,169 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:46:13,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:13,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1459953853, now seen corresponding path program 1 times [2021-11-13 17:46:13,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:46:13,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389894444] [2021-11-13 17:46:13,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:13,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:46:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:13,530 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2021-11-13 17:46:13,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:46:13,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389894444] [2021-11-13 17:46:13,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389894444] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:46:13,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:46:13,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:46:13,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590335069] [2021-11-13 17:46:13,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:46:13,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:46:13,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:46:13,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:46:13,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:46:13,533 INFO L87 Difference]: Start difference. First operand 10010 states and 10644 transitions. Second operand has 4 states, 4 states have (on average 84.25) internal successors, (337), 4 states have internal predecessors, (337), 0 states have call successors, (0), 0 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 17:46:15,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:15,671 INFO L93 Difference]: Finished difference Result 21524 states and 22953 transitions. [2021-11-13 17:46:15,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:46:15,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 84.25) internal successors, (337), 4 states have internal predecessors, (337), 0 states have call successors, (0), 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 711 [2021-11-13 17:46:15,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:15,688 INFO L225 Difference]: With dead ends: 21524 [2021-11-13 17:46:15,689 INFO L226 Difference]: Without dead ends: 11815 [2021-11-13 17:46:15,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:46:15,697 INFO L933 BasicCegarLoop]: 393 mSDtfsCounter, 659 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1831 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1681.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.83ms SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 1831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2034.04ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:15,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [659 Valid, 453 Invalid, 2029 Unknown, 0 Unchecked, 10.83ms Time], IncrementalHoareTripleChecker [198 Valid, 1831 Invalid, 0 Unknown, 0 Unchecked, 2034.04ms Time] [2021-11-13 17:46:15,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11815 states. [2021-11-13 17:46:15,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11815 to 11217. [2021-11-13 17:46:15,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11217 states, 11216 states have (on average 1.0582203994293866) internal successors, (11869), 11216 states have internal predecessors, (11869), 0 states have call successors, (0), 0 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 17:46:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11217 states to 11217 states and 11869 transitions. [2021-11-13 17:46:15,949 INFO L78 Accepts]: Start accepts. Automaton has 11217 states and 11869 transitions. Word has length 711 [2021-11-13 17:46:15,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:46:15,951 INFO L470 AbstractCegarLoop]: Abstraction has 11217 states and 11869 transitions. [2021-11-13 17:46:15,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.25) internal successors, (337), 4 states have internal predecessors, (337), 0 states have call successors, (0), 0 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 17:46:15,951 INFO L276 IsEmpty]: Start isEmpty. Operand 11217 states and 11869 transitions. [2021-11-13 17:46:15,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2021-11-13 17:46:15,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:15,974 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:15,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-13 17:46:15,975 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:46:15,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:15,976 INFO L85 PathProgramCache]: Analyzing trace with hash 57118497, now seen corresponding path program 1 times [2021-11-13 17:46:15,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:46:15,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739060541] [2021-11-13 17:46:15,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:15,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:46:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 425 proven. 402 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-11-13 17:46:16,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:46:16,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739060541] [2021-11-13 17:46:16,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739060541] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:46:16,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142759699] [2021-11-13 17:46:16,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:16,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:46:16,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:46:16,537 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:46:16,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 17:46:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:16,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:46:16,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:46:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 570 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2021-11-13 17:46:18,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:46:18,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142759699] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:46:18,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:46:18,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-13 17:46:18,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32121768] [2021-11-13 17:46:18,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:46:18,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:46:18,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:46:18,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:46:18,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:46:18,098 INFO L87 Difference]: Start difference. First operand 11217 states and 11869 transitions. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 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 17:46:19,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:19,186 INFO L93 Difference]: Finished difference Result 22130 states and 23430 transitions. [2021-11-13 17:46:19,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:46:19,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 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 734 [2021-11-13 17:46:19,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:19,194 INFO L225 Difference]: With dead ends: 22130 [2021-11-13 17:46:19,194 INFO L226 Difference]: Without dead ends: 11214 [2021-11-13 17:46:19,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 739 GetRequests, 735 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:46:19,199 INFO L933 BasicCegarLoop]: 445 mSDtfsCounter, 196 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 801.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.88ms SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 975.88ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:19,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 472 Invalid, 822 Unknown, 0 Unchecked, 3.88ms Time], IncrementalHoareTripleChecker [76 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 975.88ms Time] [2021-11-13 17:46:19,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11214 states. [2021-11-13 17:46:19,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11214 to 10915. [2021-11-13 17:46:19,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10915 states, 10914 states have (on average 1.0428807036833425) internal successors, (11382), 10914 states have internal predecessors, (11382), 0 states have call successors, (0), 0 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 17:46:19,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10915 states to 10915 states and 11382 transitions. [2021-11-13 17:46:19,340 INFO L78 Accepts]: Start accepts. Automaton has 10915 states and 11382 transitions. Word has length 734 [2021-11-13 17:46:19,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:46:19,340 INFO L470 AbstractCegarLoop]: Abstraction has 10915 states and 11382 transitions. [2021-11-13 17:46:19,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 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 17:46:19,341 INFO L276 IsEmpty]: Start isEmpty. Operand 10915 states and 11382 transitions. [2021-11-13 17:46:19,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2021-11-13 17:46:19,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:19,354 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:19,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 17:46:19,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:46:19,577 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:46:19,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:19,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1383348304, now seen corresponding path program 1 times [2021-11-13 17:46:19,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:46:19,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086183602] [2021-11-13 17:46:19,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:19,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:46:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:19,904 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2021-11-13 17:46:19,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:46:19,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086183602] [2021-11-13 17:46:19,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086183602] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:46:19,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:46:19,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:46:19,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611613202] [2021-11-13 17:46:19,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:46:19,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:46:19,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:46:19,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:46:19,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:46:19,910 INFO L87 Difference]: Start difference. First operand 10915 states and 11382 transitions. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 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 17:46:21,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:21,264 INFO L93 Difference]: Finished difference Result 26335 states and 27481 transitions. [2021-11-13 17:46:21,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:46:21,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 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 737 [2021-11-13 17:46:21,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:21,284 INFO L225 Difference]: With dead ends: 26335 [2021-11-13 17:46:21,284 INFO L226 Difference]: Without dead ends: 15422 [2021-11-13 17:46:21,292 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 17:46:21,293 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 281 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1075.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.82ms SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1265.73ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:21,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [281 Valid, 209 Invalid, 952 Unknown, 0 Unchecked, 2.82ms Time], IncrementalHoareTripleChecker [75 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 1265.73ms Time] [2021-11-13 17:46:21,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15422 states. [2021-11-13 17:46:21,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15422 to 13010. [2021-11-13 17:46:21,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13010 states, 13009 states have (on average 1.0443539088323468) internal successors, (13586), 13009 states have internal predecessors, (13586), 0 states have call successors, (0), 0 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 17:46:21,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13010 states to 13010 states and 13586 transitions. [2021-11-13 17:46:21,600 INFO L78 Accepts]: Start accepts. Automaton has 13010 states and 13586 transitions. Word has length 737 [2021-11-13 17:46:21,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:46:21,601 INFO L470 AbstractCegarLoop]: Abstraction has 13010 states and 13586 transitions. [2021-11-13 17:46:21,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 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 17:46:21,602 INFO L276 IsEmpty]: Start isEmpty. Operand 13010 states and 13586 transitions. [2021-11-13 17:46:21,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2021-11-13 17:46:21,621 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:21,622 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:21,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-13 17:46:21,622 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:46:21,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:21,623 INFO L85 PathProgramCache]: Analyzing trace with hash 251376969, now seen corresponding path program 1 times [2021-11-13 17:46:21,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:46:21,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245105144] [2021-11-13 17:46:21,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:21,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:46:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:21,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 701 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2021-11-13 17:46:21,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:46:21,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245105144] [2021-11-13 17:46:21,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245105144] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:46:21,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:46:21,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:46:21,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295909506] [2021-11-13 17:46:21,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:46:21,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:46:21,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:46:21,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:46:21,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:46:21,982 INFO L87 Difference]: Start difference. First operand 13010 states and 13586 transitions. Second operand has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 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 17:46:23,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:23,085 INFO L93 Difference]: Finished difference Result 27803 states and 29081 transitions. [2021-11-13 17:46:23,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:46:23,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 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 773 [2021-11-13 17:46:23,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:23,099 INFO L225 Difference]: With dead ends: 27803 [2021-11-13 17:46:23,099 INFO L226 Difference]: Without dead ends: 15094 [2021-11-13 17:46:23,107 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 17:46:23,107 INFO L933 BasicCegarLoop]: 432 mSDtfsCounter, 195 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 851.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.63ms SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1012.55ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:23,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 458 Invalid, 851 Unknown, 0 Unchecked, 2.63ms Time], IncrementalHoareTripleChecker [124 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 1012.55ms Time] [2021-11-13 17:46:23,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15094 states. [2021-11-13 17:46:23,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15094 to 13599. [2021-11-13 17:46:23,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13599 states, 13598 states have (on average 1.0411089866156789) internal successors, (14157), 13598 states have internal predecessors, (14157), 0 states have call successors, (0), 0 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 17:46:23,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13599 states to 13599 states and 14157 transitions. [2021-11-13 17:46:23,316 INFO L78 Accepts]: Start accepts. Automaton has 13599 states and 14157 transitions. Word has length 773 [2021-11-13 17:46:23,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:46:23,317 INFO L470 AbstractCegarLoop]: Abstraction has 13599 states and 14157 transitions. [2021-11-13 17:46:23,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 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 17:46:23,318 INFO L276 IsEmpty]: Start isEmpty. Operand 13599 states and 14157 transitions. [2021-11-13 17:46:23,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 831 [2021-11-13 17:46:23,334 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:23,335 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:23,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-13 17:46:23,336 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:46:23,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:23,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1307672979, now seen corresponding path program 1 times [2021-11-13 17:46:23,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:46:23,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772662253] [2021-11-13 17:46:23,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:23,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:46:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:23,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1048 backedges. 709 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2021-11-13 17:46:23,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:46:23,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772662253] [2021-11-13 17:46:23,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772662253] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:46:23,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:46:23,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:46:23,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957037211] [2021-11-13 17:46:23,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:46:23,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:46:23,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:46:23,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:46:23,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:46:23,880 INFO L87 Difference]: Start difference. First operand 13599 states and 14157 transitions. Second operand has 5 states, 5 states have (on average 113.6) internal successors, (568), 5 states have internal predecessors, (568), 0 states have call successors, (0), 0 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 17:46:25,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:25,314 INFO L93 Difference]: Finished difference Result 29676 states and 30945 transitions. [2021-11-13 17:46:25,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:46:25,315 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 113.6) internal successors, (568), 5 states have internal predecessors, (568), 0 states have call successors, (0), 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 830 [2021-11-13 17:46:25,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:25,331 INFO L225 Difference]: With dead ends: 29676 [2021-11-13 17:46:25,331 INFO L226 Difference]: Without dead ends: 16378 [2021-11-13 17:46:25,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 17:46:25,338 INFO L933 BasicCegarLoop]: 479 mSDtfsCounter, 706 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1109 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1106.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.06ms SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 1109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1323.43ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:25,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [706 Valid, 536 Invalid, 1295 Unknown, 0 Unchecked, 5.06ms Time], IncrementalHoareTripleChecker [186 Valid, 1109 Invalid, 0 Unknown, 0 Unchecked, 1323.43ms Time] [2021-11-13 17:46:25,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16378 states. [2021-11-13 17:46:25,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16378 to 15394. [2021-11-13 17:46:25,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15394 states, 15393 states have (on average 1.038264146040408) internal successors, (15982), 15393 states have internal predecessors, (15982), 0 states have call successors, (0), 0 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 17:46:25,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15394 states to 15394 states and 15982 transitions. [2021-11-13 17:46:25,567 INFO L78 Accepts]: Start accepts. Automaton has 15394 states and 15982 transitions. Word has length 830 [2021-11-13 17:46:25,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:46:25,568 INFO L470 AbstractCegarLoop]: Abstraction has 15394 states and 15982 transitions. [2021-11-13 17:46:25,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 113.6) internal successors, (568), 5 states have internal predecessors, (568), 0 states have call successors, (0), 0 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 17:46:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 15394 states and 15982 transitions. [2021-11-13 17:46:25,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 888 [2021-11-13 17:46:25,591 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:25,593 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:25,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-13 17:46:25,593 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:46:25,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:25,594 INFO L85 PathProgramCache]: Analyzing trace with hash -293567428, now seen corresponding path program 1 times [2021-11-13 17:46:25,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:46:25,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309866988] [2021-11-13 17:46:25,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:25,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:46:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:26,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2021-11-13 17:46:26,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:46:26,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309866988] [2021-11-13 17:46:26,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309866988] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:46:26,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:46:26,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:46:26,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87544079] [2021-11-13 17:46:26,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:46:26,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:46:26,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:46:26,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:46:26,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:46:26,104 INFO L87 Difference]: Start difference. First operand 15394 states and 15982 transitions. Second operand has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 0 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 17:46:27,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:27,541 INFO L93 Difference]: Finished difference Result 35590 states and 36935 transitions. [2021-11-13 17:46:27,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:46:27,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 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 887 [2021-11-13 17:46:27,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:27,558 INFO L225 Difference]: With dead ends: 35590 [2021-11-13 17:46:27,558 INFO L226 Difference]: Without dead ends: 20198 [2021-11-13 17:46:27,565 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 17:46:27,566 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 297 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1120.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.26ms SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1316.56ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:27,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [297 Valid, 122 Invalid, 944 Unknown, 0 Unchecked, 3.26ms Time], IncrementalHoareTripleChecker [130 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 1316.56ms Time] [2021-11-13 17:46:27,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20198 states. [2021-11-13 17:46:27,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20198 to 16293. [2021-11-13 17:46:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16293 states, 16292 states have (on average 1.0359685735330224) internal successors, (16878), 16292 states have internal predecessors, (16878), 0 states have call successors, (0), 0 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 17:46:27,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16293 states to 16293 states and 16878 transitions. [2021-11-13 17:46:27,746 INFO L78 Accepts]: Start accepts. Automaton has 16293 states and 16878 transitions. Word has length 887 [2021-11-13 17:46:27,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:46:27,746 INFO L470 AbstractCegarLoop]: Abstraction has 16293 states and 16878 transitions. [2021-11-13 17:46:27,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 0 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 17:46:27,746 INFO L276 IsEmpty]: Start isEmpty. Operand 16293 states and 16878 transitions. [2021-11-13 17:46:27,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 921 [2021-11-13 17:46:27,763 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:27,764 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:27,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-13 17:46:27,765 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:46:27,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:27,765 INFO L85 PathProgramCache]: Analyzing trace with hash 61988755, now seen corresponding path program 1 times [2021-11-13 17:46:27,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:46:27,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088259587] [2021-11-13 17:46:27,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:27,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:46:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:28,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 640 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2021-11-13 17:46:28,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:46:28,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088259587] [2021-11-13 17:46:28,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088259587] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:46:28,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:46:28,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:46:28,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086535305] [2021-11-13 17:46:28,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:46:28,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:46:28,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:46:28,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:46:28,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:46:28,092 INFO L87 Difference]: Start difference. First operand 16293 states and 16878 transitions. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 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 17:46:29,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:29,074 INFO L93 Difference]: Finished difference Result 27168 states and 28074 transitions. [2021-11-13 17:46:29,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:46:29,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 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 920 [2021-11-13 17:46:29,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:29,086 INFO L225 Difference]: With dead ends: 27168 [2021-11-13 17:46:29,086 INFO L226 Difference]: Without dead ends: 10877 [2021-11-13 17:46:29,092 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 17:46:29,093 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 178 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 765.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.84ms SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 903.11ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:29,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 76 Invalid, 804 Unknown, 0 Unchecked, 1.84ms Time], IncrementalHoareTripleChecker [78 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 903.11ms Time] [2021-11-13 17:46:29,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10877 states. [2021-11-13 17:46:29,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10877 to 8470. [2021-11-13 17:46:29,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8470 states, 8469 states have (on average 1.0284567245247374) internal successors, (8710), 8469 states have internal predecessors, (8710), 0 states have call successors, (0), 0 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 17:46:29,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8470 states to 8470 states and 8710 transitions. [2021-11-13 17:46:29,183 INFO L78 Accepts]: Start accepts. Automaton has 8470 states and 8710 transitions. Word has length 920 [2021-11-13 17:46:29,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:46:29,184 INFO L470 AbstractCegarLoop]: Abstraction has 8470 states and 8710 transitions. [2021-11-13 17:46:29,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 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 17:46:29,184 INFO L276 IsEmpty]: Start isEmpty. Operand 8470 states and 8710 transitions. [2021-11-13 17:46:29,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 926 [2021-11-13 17:46:29,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:29,199 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 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 17:46:29,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-13 17:46:29,199 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:46:29,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:29,200 INFO L85 PathProgramCache]: Analyzing trace with hash -196750209, now seen corresponding path program 1 times [2021-11-13 17:46:29,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:46:29,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113432060] [2021-11-13 17:46:29,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:29,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:46:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:29,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 742 proven. 0 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2021-11-13 17:46:29,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:46:29,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113432060] [2021-11-13 17:46:29,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113432060] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:46:29,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:46:29,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:46:29,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425389386] [2021-11-13 17:46:29,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:46:29,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:46:29,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:46:29,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:46:29,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:46:29,573 INFO L87 Difference]: Start difference. First operand 8470 states and 8710 transitions. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 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 17:46:30,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:30,498 INFO L93 Difference]: Finished difference Result 18133 states and 18691 transitions. [2021-11-13 17:46:30,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:46:30,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 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 925 [2021-11-13 17:46:30,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:30,508 INFO L225 Difference]: With dead ends: 18133 [2021-11-13 17:46:30,509 INFO L226 Difference]: Without dead ends: 9964 [2021-11-13 17:46:30,513 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 17:46:30,514 INFO L933 BasicCegarLoop]: 390 mSDtfsCounter, 311 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 726.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.36ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 864.25ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:30,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [311 Valid, 412 Invalid, 732 Unknown, 0 Unchecked, 2.36ms Time], IncrementalHoareTripleChecker [37 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 864.25ms Time] [2021-11-13 17:46:30,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9964 states. [2021-11-13 17:46:30,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9964 to 9964. [2021-11-13 17:46:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9964 states, 9963 states have (on average 1.0278028706212987) internal successors, (10240), 9963 states have internal predecessors, (10240), 0 states have call successors, (0), 0 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 17:46:30,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9964 states to 9964 states and 10240 transitions. [2021-11-13 17:46:30,612 INFO L78 Accepts]: Start accepts. Automaton has 9964 states and 10240 transitions. Word has length 925 [2021-11-13 17:46:30,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:46:30,612 INFO L470 AbstractCegarLoop]: Abstraction has 9964 states and 10240 transitions. [2021-11-13 17:46:30,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 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 17:46:30,613 INFO L276 IsEmpty]: Start isEmpty. Operand 9964 states and 10240 transitions. [2021-11-13 17:46:30,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 947 [2021-11-13 17:46:30,626 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:30,627 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:46:30,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-13 17:46:30,627 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:46:30,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:30,628 INFO L85 PathProgramCache]: Analyzing trace with hash -634879843, now seen corresponding path program 1 times [2021-11-13 17:46:30,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:46:30,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115135600] [2021-11-13 17:46:30,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:30,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:46:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:31,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 795 proven. 269 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-13 17:46:31,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:46:31,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115135600] [2021-11-13 17:46:31,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115135600] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:46:31,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468547038] [2021-11-13 17:46:31,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:31,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:46:31,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:46:31,206 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:46:31,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 17:46:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:31,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 1102 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 17:46:31,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:46:37,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 1003 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2021-11-13 17:46:37,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:46:37,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468547038] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:46:37,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:46:37,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2021-11-13 17:46:37,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141900073] [2021-11-13 17:46:37,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:46:37,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:46:37,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:46:37,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:46:37,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:46:37,459 INFO L87 Difference]: Start difference. First operand 9964 states and 10240 transitions. Second operand has 5 states, 5 states have (on average 135.6) internal successors, (678), 5 states have internal predecessors, (678), 0 states have call successors, (0), 0 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 17:46:38,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:38,752 INFO L93 Difference]: Finished difference Result 20316 states and 20893 transitions. [2021-11-13 17:46:38,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:46:38,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 135.6) internal successors, (678), 5 states have internal predecessors, (678), 0 states have call successors, (0), 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 946 [2021-11-13 17:46:38,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:38,760 INFO L225 Difference]: With dead ends: 20316 [2021-11-13 17:46:38,760 INFO L226 Difference]: Without dead ends: 10653 [2021-11-13 17:46:38,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 952 GetRequests, 944 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-13 17:46:38,766 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 287 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1379 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 996.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 2676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.01ms SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1204 IncrementalHoareTripleChecker+Unchecked, 1182.16ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:38,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 443 Invalid, 2676 Unknown, 0 Unchecked, 4.01ms Time], IncrementalHoareTripleChecker [93 Valid, 1379 Invalid, 0 Unknown, 1204 Unchecked, 1182.16ms Time] [2021-11-13 17:46:38,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10653 states. [2021-11-13 17:46:38,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10653 to 10205. [2021-11-13 17:46:38,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10205 states, 10204 states have (on average 1.0250882007056057) internal successors, (10460), 10204 states have internal predecessors, (10460), 0 states have call successors, (0), 0 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 17:46:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10205 states to 10205 states and 10460 transitions. [2021-11-13 17:46:38,868 INFO L78 Accepts]: Start accepts. Automaton has 10205 states and 10460 transitions. Word has length 946 [2021-11-13 17:46:38,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:46:38,869 INFO L470 AbstractCegarLoop]: Abstraction has 10205 states and 10460 transitions. [2021-11-13 17:46:38,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 135.6) internal successors, (678), 5 states have internal predecessors, (678), 0 states have call successors, (0), 0 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 17:46:38,869 INFO L276 IsEmpty]: Start isEmpty. Operand 10205 states and 10460 transitions. [2021-11-13 17:46:38,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1065 [2021-11-13 17:46:38,885 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:38,885 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 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 17:46:38,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-13 17:46:39,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:46:39,086 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:46:39,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:39,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1484991638, now seen corresponding path program 1 times [2021-11-13 17:46:39,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:46:39,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035005748] [2021-11-13 17:46:39,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:39,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:46:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:39,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1845 backedges. 1309 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2021-11-13 17:46:39,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:46:39,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035005748] [2021-11-13 17:46:39,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035005748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:46:39,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:46:39,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:46:39,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335911507] [2021-11-13 17:46:39,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:46:39,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:46:39,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:46:39,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:46:39,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:46:39,504 INFO L87 Difference]: Start difference. First operand 10205 states and 10460 transitions. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 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 17:46:40,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:40,715 INFO L93 Difference]: Finished difference Result 23107 states and 23700 transitions. [2021-11-13 17:46:40,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:46:40,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 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 1064 [2021-11-13 17:46:40,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:40,726 INFO L225 Difference]: With dead ends: 23107 [2021-11-13 17:46:40,726 INFO L226 Difference]: Without dead ends: 13203 [2021-11-13 17:46:40,734 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 17:46:40,741 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 186 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 934.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.22ms SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1114.28ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:40,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 406 Invalid, 764 Unknown, 0 Unchecked, 3.22ms Time], IncrementalHoareTripleChecker [48 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 1114.28ms Time] [2021-11-13 17:46:40,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13203 states. [2021-11-13 17:46:40,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13203 to 12058. [2021-11-13 17:46:40,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12058 states, 12057 states have (on average 1.023057145226839) internal successors, (12335), 12057 states have internal predecessors, (12335), 0 states have call successors, (0), 0 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 17:46:40,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12058 states to 12058 states and 12335 transitions. [2021-11-13 17:46:40,940 INFO L78 Accepts]: Start accepts. Automaton has 12058 states and 12335 transitions. Word has length 1064 [2021-11-13 17:46:40,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:46:40,941 INFO L470 AbstractCegarLoop]: Abstraction has 12058 states and 12335 transitions. [2021-11-13 17:46:40,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 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 17:46:40,941 INFO L276 IsEmpty]: Start isEmpty. Operand 12058 states and 12335 transitions. [2021-11-13 17:46:40,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1075 [2021-11-13 17:46:40,959 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:40,960 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:46:40,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-13 17:46:40,961 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:46:40,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:40,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1636143562, now seen corresponding path program 1 times [2021-11-13 17:46:40,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:46:40,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978093930] [2021-11-13 17:46:40,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:40,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:46:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:41,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 1135 proven. 219 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2021-11-13 17:46:41,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:46:41,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978093930] [2021-11-13 17:46:41,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978093930] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:46:41,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267633576] [2021-11-13 17:46:41,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:41,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:46:41,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:46:41,555 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:46:41,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-13 17:46:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:41,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 1249 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 17:46:41,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:46:46,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 1135 proven. 219 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2021-11-13 17:46:46,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:46:52,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 1135 proven. 219 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2021-11-13 17:46:52,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267633576] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:46:52,752 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:46:52,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2021-11-13 17:46:52,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005785185] [2021-11-13 17:46:52,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:46:52,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:46:52,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:46:52,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:46:52,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:46:52,758 INFO L87 Difference]: Start difference. First operand 12058 states and 12335 transitions. Second operand has 4 states, 4 states have (on average 185.75) internal successors, (743), 4 states have internal predecessors, (743), 0 states have call successors, (0), 0 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 17:46:54,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:54,392 INFO L93 Difference]: Finished difference Result 13115 states and 13417 transitions. [2021-11-13 17:46:54,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:46:54,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 185.75) internal successors, (743), 4 states have internal predecessors, (743), 0 states have call successors, (0), 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 1074 [2021-11-13 17:46:54,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:54,403 INFO L225 Difference]: With dead ends: 13115 [2021-11-13 17:46:54,403 INFO L226 Difference]: Without dead ends: 13113 [2021-11-13 17:46:54,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2152 GetRequests, 2149 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 17:46:54,406 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 177 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1296.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.34ms SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1543.02ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:54,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 55 Invalid, 1524 Unknown, 0 Unchecked, 4.34ms Time], IncrementalHoareTripleChecker [125 Valid, 1399 Invalid, 0 Unknown, 0 Unchecked, 1543.02ms Time] [2021-11-13 17:46:54,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13113 states. [2021-11-13 17:46:54,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13113 to 11759. [2021-11-13 17:46:54,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11759 states, 11758 states have (on average 1.0232182343936043) internal successors, (12031), 11758 states have internal predecessors, (12031), 0 states have call successors, (0), 0 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 17:46:54,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11759 states to 11759 states and 12031 transitions. [2021-11-13 17:46:54,543 INFO L78 Accepts]: Start accepts. Automaton has 11759 states and 12031 transitions. Word has length 1074 [2021-11-13 17:46:54,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:46:54,544 INFO L470 AbstractCegarLoop]: Abstraction has 11759 states and 12031 transitions. [2021-11-13 17:46:54,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 185.75) internal successors, (743), 4 states have internal predecessors, (743), 0 states have call successors, (0), 0 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 17:46:54,544 INFO L276 IsEmpty]: Start isEmpty. Operand 11759 states and 12031 transitions. [2021-11-13 17:46:54,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1088 [2021-11-13 17:46:54,565 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:54,566 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:46:54,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-13 17:46:54,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-11-13 17:46:54,780 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:46:54,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:54,781 INFO L85 PathProgramCache]: Analyzing trace with hash -183530912, now seen corresponding path program 1 times [2021-11-13 17:46:54,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:46:54,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804101316] [2021-11-13 17:46:54,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:54,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:46:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:55,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1917 backedges. 1509 proven. 26 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-11-13 17:46:55,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:46:55,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804101316] [2021-11-13 17:46:55,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804101316] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:46:55,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310779195] [2021-11-13 17:46:55,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:55,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:46:55,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:46:55,473 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:46:55,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-13 17:46:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:55,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 1275 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:46:55,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:47:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1917 backedges. 1014 proven. 0 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2021-11-13 17:47:12,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:47:12,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310779195] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:47:12,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:47:12,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-11-13 17:47:12,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346062232] [2021-11-13 17:47:12,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:47:12,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:47:12,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:47:12,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:47:12,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:47:12,089 INFO L87 Difference]: Start difference. First operand 11759 states and 12031 transitions. Second operand has 4 states, 4 states have (on average 142.25) internal successors, (569), 4 states have internal predecessors, (569), 0 states have call successors, (0), 0 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 17:47:12,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:47:12,132 INFO L93 Difference]: Finished difference Result 12245 states and 12527 transitions. [2021-11-13 17:47:12,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:47:12,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 142.25) internal successors, (569), 4 states have internal predecessors, (569), 0 states have call successors, (0), 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 1087 [2021-11-13 17:47:12,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:47:12,145 INFO L225 Difference]: With dead ends: 12245 [2021-11-13 17:47:12,145 INFO L226 Difference]: Without dead ends: 12243 [2021-11-13 17:47:12,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1091 GetRequests, 1086 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:47:12,150 INFO L933 BasicCegarLoop]: 411 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.66ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 630 IncrementalHoareTripleChecker+Unchecked, 0.33ms IncrementalHoareTripleChecker+Time [2021-11-13 17:47:12,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 438 Invalid, 630 Unknown, 0 Unchecked, 0.66ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 630 Unchecked, 0.33ms Time] [2021-11-13 17:47:12,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12243 states. [2021-11-13 17:47:12,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12243 to 12001. [2021-11-13 17:47:12,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12001 states, 12000 states have (on average 1.0233333333333334) internal successors, (12280), 12000 states have internal predecessors, (12280), 0 states have call successors, (0), 0 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 17:47:12,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12001 states to 12001 states and 12280 transitions. [2021-11-13 17:47:12,295 INFO L78 Accepts]: Start accepts. Automaton has 12001 states and 12280 transitions. Word has length 1087 [2021-11-13 17:47:12,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:47:12,296 INFO L470 AbstractCegarLoop]: Abstraction has 12001 states and 12280 transitions. [2021-11-13 17:47:12,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 142.25) internal successors, (569), 4 states have internal predecessors, (569), 0 states have call successors, (0), 0 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 17:47:12,296 INFO L276 IsEmpty]: Start isEmpty. Operand 12001 states and 12280 transitions. [2021-11-13 17:47:12,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1090 [2021-11-13 17:47:12,320 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:47:12,321 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:47:12,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-13 17:47:12,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-11-13 17:47:12,546 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:47:12,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:12,547 INFO L85 PathProgramCache]: Analyzing trace with hash -930646812, now seen corresponding path program 1 times [2021-11-13 17:47:12,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:47:12,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510256652] [2021-11-13 17:47:12,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:12,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:47:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:13,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 1272 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2021-11-13 17:47:13,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:47:13,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510256652] [2021-11-13 17:47:13,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510256652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:47:13,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:47:13,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:47:13,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380800351] [2021-11-13 17:47:13,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:47:13,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:47:13,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:47:13,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:47:13,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:47:13,027 INFO L87 Difference]: Start difference. First operand 12001 states and 12280 transitions. Second operand has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 0 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 17:47:14,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:47:14,611 INFO L93 Difference]: Finished difference Result 18953 states and 19392 transitions. [2021-11-13 17:47:14,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:47:14,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 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 1089 [2021-11-13 17:47:14,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:47:14,626 INFO L225 Difference]: With dead ends: 18953 [2021-11-13 17:47:14,626 INFO L226 Difference]: Without dead ends: 18951 [2021-11-13 17:47:14,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:47:14,630 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 369 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1403 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1253.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.93ms SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1486.74ms IncrementalHoareTripleChecker+Time [2021-11-13 17:47:14,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [369 Valid, 77 Invalid, 1499 Unknown, 0 Unchecked, 3.93ms Time], IncrementalHoareTripleChecker [96 Valid, 1403 Invalid, 0 Unknown, 0 Unchecked, 1486.74ms Time] [2021-11-13 17:47:14,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18951 states. [2021-11-13 17:47:14,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18951 to 12603. [2021-11-13 17:47:14,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12603 states, 12602 states have (on average 1.024202507538486) internal successors, (12907), 12602 states have internal predecessors, (12907), 0 states have call successors, (0), 0 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 17:47:14,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12603 states to 12603 states and 12907 transitions. [2021-11-13 17:47:14,857 INFO L78 Accepts]: Start accepts. Automaton has 12603 states and 12907 transitions. Word has length 1089 [2021-11-13 17:47:14,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:47:14,858 INFO L470 AbstractCegarLoop]: Abstraction has 12603 states and 12907 transitions. [2021-11-13 17:47:14,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 0 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 17:47:14,858 INFO L276 IsEmpty]: Start isEmpty. Operand 12603 states and 12907 transitions. [2021-11-13 17:47:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1186 [2021-11-13 17:47:14,879 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:47:14,880 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:47:14,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-13 17:47:14,881 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:47:14,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:14,881 INFO L85 PathProgramCache]: Analyzing trace with hash 375105591, now seen corresponding path program 1 times [2021-11-13 17:47:14,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:47:14,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641858289] [2021-11-13 17:47:14,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:14,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:47:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:15,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2221 backedges. 254 proven. 1108 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2021-11-13 17:47:15,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:47:15,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641858289] [2021-11-13 17:47:15,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641858289] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:47:15,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404066315] [2021-11-13 17:47:15,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:15,475 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:47:15,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:47:15,478 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:47:15,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-13 17:47:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:15,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 1365 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 17:47:15,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:47:30,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2221 backedges. 1439 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2021-11-13 17:47:30,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:47:30,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404066315] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:47:30,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:47:30,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-13 17:47:30,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988597982] [2021-11-13 17:47:30,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:47:30,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:47:30,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:47:30,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:47:30,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:47:30,550 INFO L87 Difference]: Start difference. First operand 12603 states and 12907 transitions. Second operand has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 0 states have call successors, (0), 0 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 17:47:30,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:47:30,647 INFO L93 Difference]: Finished difference Result 25033 states and 25644 transitions. [2021-11-13 17:47:30,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:47:30,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 0 states have call successors, (0), 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 1185 [2021-11-13 17:47:30,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:47:30,662 INFO L225 Difference]: With dead ends: 25033 [2021-11-13 17:47:30,662 INFO L226 Difference]: Without dead ends: 12731 [2021-11-13 17:47:30,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1188 GetRequests, 1184 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:47:30,668 INFO L933 BasicCegarLoop]: 409 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.83ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 514 IncrementalHoareTripleChecker+Unchecked, 0.47ms IncrementalHoareTripleChecker+Time [2021-11-13 17:47:30,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 429 Invalid, 514 Unknown, 0 Unchecked, 0.83ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 514 Unchecked, 0.47ms Time] [2021-11-13 17:47:30,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12731 states. [2021-11-13 17:47:30,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12731 to 12731. [2021-11-13 17:47:30,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12731 states, 12730 states have (on average 1.0242733699921445) internal successors, (13039), 12730 states have internal predecessors, (13039), 0 states have call successors, (0), 0 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 17:47:30,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12731 states to 12731 states and 13039 transitions. [2021-11-13 17:47:30,813 INFO L78 Accepts]: Start accepts. Automaton has 12731 states and 13039 transitions. Word has length 1185 [2021-11-13 17:47:30,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:47:30,813 INFO L470 AbstractCegarLoop]: Abstraction has 12731 states and 13039 transitions. [2021-11-13 17:47:30,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 0 states have call successors, (0), 0 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 17:47:30,814 INFO L276 IsEmpty]: Start isEmpty. Operand 12731 states and 13039 transitions. [2021-11-13 17:47:30,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1214 [2021-11-13 17:47:30,836 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:47:30,837 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:47:30,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-13 17:47:31,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-11-13 17:47:31,038 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:47:31,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:31,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1690605621, now seen corresponding path program 1 times [2021-11-13 17:47:31,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:47:31,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070351876] [2021-11-13 17:47:31,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:31,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:47:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:31,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2333 backedges. 1135 proven. 0 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2021-11-13 17:47:31,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:47:31,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070351876] [2021-11-13 17:47:31,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070351876] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:47:31,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:47:31,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:47:31,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359584247] [2021-11-13 17:47:31,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:47:31,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:47:31,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:47:31,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:47:31,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:47:31,761 INFO L87 Difference]: Start difference. First operand 12731 states and 13039 transitions. Second operand has 5 states, 5 states have (on average 114.2) internal successors, (571), 5 states have internal predecessors, (571), 0 states have call successors, (0), 0 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 17:47:33,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:47:33,494 INFO L93 Difference]: Finished difference Result 27665 states and 28359 transitions. [2021-11-13 17:47:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:47:33,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 114.2) internal successors, (571), 5 states have internal predecessors, (571), 0 states have call successors, (0), 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 1213 [2021-11-13 17:47:33,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:47:33,508 INFO L225 Difference]: With dead ends: 27665 [2021-11-13 17:47:33,508 INFO L226 Difference]: Without dead ends: 15235 [2021-11-13 17:47:33,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:47:33,514 INFO L933 BasicCegarLoop]: 406 mSDtfsCounter, 465 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 2057 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1304.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 2152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.80ms SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 2057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1575.98ms IncrementalHoareTripleChecker+Time [2021-11-13 17:47:33,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [465 Valid, 528 Invalid, 2152 Unknown, 0 Unchecked, 7.80ms Time], IncrementalHoareTripleChecker [95 Valid, 2057 Invalid, 0 Unknown, 0 Unchecked, 1575.98ms Time] [2021-11-13 17:47:33,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15235 states. [2021-11-13 17:47:33,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15235 to 13622. [2021-11-13 17:47:33,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13622 states, 13621 states have (on average 1.021731150429484) internal successors, (13917), 13621 states have internal predecessors, (13917), 0 states have call successors, (0), 0 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 17:47:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13622 states to 13622 states and 13917 transitions. [2021-11-13 17:47:33,678 INFO L78 Accepts]: Start accepts. Automaton has 13622 states and 13917 transitions. Word has length 1213 [2021-11-13 17:47:33,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:47:33,679 INFO L470 AbstractCegarLoop]: Abstraction has 13622 states and 13917 transitions. [2021-11-13 17:47:33,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 114.2) internal successors, (571), 5 states have internal predecessors, (571), 0 states have call successors, (0), 0 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 17:47:33,679 INFO L276 IsEmpty]: Start isEmpty. Operand 13622 states and 13917 transitions. [2021-11-13 17:47:33,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1332 [2021-11-13 17:47:33,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:47:33,704 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:47:33,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-13 17:47:33,705 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:47:33,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:33,706 INFO L85 PathProgramCache]: Analyzing trace with hash -629429547, now seen corresponding path program 1 times [2021-11-13 17:47:33,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:47:33,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494724866] [2021-11-13 17:47:33,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:33,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:47:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:34,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2974 backedges. 2512 proven. 29 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2021-11-13 17:47:34,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:47:34,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494724866] [2021-11-13 17:47:34,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494724866] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:47:34,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692297131] [2021-11-13 17:47:34,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:34,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:47:34,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:47:34,326 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:47:34,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-13 17:47:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:34,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:47:34,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:47:49,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2974 backedges. 1829 proven. 0 refuted. 0 times theorem prover too weak. 1145 trivial. 0 not checked. [2021-11-13 17:47:49,718 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:47:49,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692297131] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:47:49,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:47:49,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-11-13 17:47:49,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218625682] [2021-11-13 17:47:49,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:47:49,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:47:49,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:47:49,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:47:49,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:47:49,721 INFO L87 Difference]: Start difference. First operand 13622 states and 13917 transitions. Second operand has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 0 states have call successors, (0), 0 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 17:47:49,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:47:49,771 INFO L93 Difference]: Finished difference Result 14163 states and 14469 transitions. [2021-11-13 17:47:49,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:47:49,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 0 states have call successors, (0), 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 1331 [2021-11-13 17:47:49,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:47:49,783 INFO L225 Difference]: With dead ends: 14163 [2021-11-13 17:47:49,783 INFO L226 Difference]: Without dead ends: 14161 [2021-11-13 17:47:49,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1335 GetRequests, 1330 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:47:49,786 INFO L933 BasicCegarLoop]: 407 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.66ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 677 IncrementalHoareTripleChecker+Unchecked, 0.33ms IncrementalHoareTripleChecker+Time [2021-11-13 17:47:49,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 434 Invalid, 677 Unknown, 0 Unchecked, 0.66ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 677 Unchecked, 0.33ms Time] [2021-11-13 17:47:49,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14161 states. [2021-11-13 17:47:49,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14161 to 13624. [2021-11-13 17:47:49,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13624 states, 13623 states have (on average 1.0218013653380313) internal successors, (13920), 13623 states have internal predecessors, (13920), 0 states have call successors, (0), 0 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 17:47:49,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13624 states to 13624 states and 13920 transitions. [2021-11-13 17:47:49,940 INFO L78 Accepts]: Start accepts. Automaton has 13624 states and 13920 transitions. Word has length 1331 [2021-11-13 17:47:49,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:47:49,941 INFO L470 AbstractCegarLoop]: Abstraction has 13624 states and 13920 transitions. [2021-11-13 17:47:49,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 0 states have call successors, (0), 0 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 17:47:49,941 INFO L276 IsEmpty]: Start isEmpty. Operand 13624 states and 13920 transitions. [2021-11-13 17:47:49,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1387 [2021-11-13 17:47:49,967 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:47:49,968 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:47:49,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-13 17:47:50,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:47:50,170 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:47:50,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:50,171 INFO L85 PathProgramCache]: Analyzing trace with hash -361330921, now seen corresponding path program 1 times [2021-11-13 17:47:50,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:47:50,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397200171] [2021-11-13 17:47:50,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:50,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:47:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:50,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3001 backedges. 2351 proven. 52 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2021-11-13 17:47:50,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:47:50,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397200171] [2021-11-13 17:47:50,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397200171] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:47:50,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878979559] [2021-11-13 17:47:50,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:50,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:47:50,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:47:50,864 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:47:50,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-13 17:47:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:51,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 1593 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-13 17:47:51,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:48:13,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3001 backedges. 2354 proven. 265 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-11-13 17:48:13,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:48:38,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3001 backedges. 2106 proven. 513 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-11-13 17:48:38,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878979559] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:48:38,454 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:48:38,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 13] total 22 [2021-11-13 17:48:38,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949310039] [2021-11-13 17:48:38,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:48:38,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-13 17:48:38,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:48:38,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-13 17:48:38,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2021-11-13 17:48:38,459 INFO L87 Difference]: Start difference. First operand 13624 states and 13920 transitions. Second operand has 22 states, 22 states have (on average 91.54545454545455) internal successors, (2014), 22 states have internal predecessors, (2014), 0 states have call successors, (0), 0 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 17:48:49,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:48:49,367 INFO L93 Difference]: Finished difference Result 34470 states and 35223 transitions. [2021-11-13 17:48:49,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-13 17:48:49,367 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 91.54545454545455) internal successors, (2014), 22 states have internal predecessors, (2014), 0 states have call successors, (0), 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 1386 [2021-11-13 17:48:49,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:48:49,382 INFO L225 Difference]: With dead ends: 34470 [2021-11-13 17:48:49,382 INFO L226 Difference]: Without dead ends: 20790 [2021-11-13 17:48:49,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2827 GetRequests, 2774 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=812, Invalid=2050, Unknown=0, NotChecked=0, Total=2862 [2021-11-13 17:48:49,390 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 6737 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 12542 mSolverCounterSat, 488 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7543.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6737 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 13030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.88ms SdHoareTripleChecker+Time, 488 IncrementalHoareTripleChecker+Valid, 12542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8960.72ms IncrementalHoareTripleChecker+Time [2021-11-13 17:48:49,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6737 Valid, 274 Invalid, 13030 Unknown, 0 Unchecked, 33.88ms Time], IncrementalHoareTripleChecker [488 Valid, 12542 Invalid, 0 Unknown, 0 Unchecked, 8960.72ms Time] [2021-11-13 17:48:49,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20790 states. [2021-11-13 17:48:49,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20790 to 13049. [2021-11-13 17:48:49,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13049 states, 13048 states have (on average 1.0196965052115268) internal successors, (13305), 13048 states have internal predecessors, (13305), 0 states have call successors, (0), 0 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 17:48:49,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13049 states to 13049 states and 13305 transitions. [2021-11-13 17:48:49,559 INFO L78 Accepts]: Start accepts. Automaton has 13049 states and 13305 transitions. Word has length 1386 [2021-11-13 17:48:49,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:48:49,560 INFO L470 AbstractCegarLoop]: Abstraction has 13049 states and 13305 transitions. [2021-11-13 17:48:49,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 91.54545454545455) internal successors, (2014), 22 states have internal predecessors, (2014), 0 states have call successors, (0), 0 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 17:48:49,561 INFO L276 IsEmpty]: Start isEmpty. Operand 13049 states and 13305 transitions. [2021-11-13 17:48:49,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1485 [2021-11-13 17:48:49,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:48:49,595 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:48:49,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-13 17:48:49,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:48:49,796 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:48:49,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:48:49,796 INFO L85 PathProgramCache]: Analyzing trace with hash 794020182, now seen corresponding path program 1 times [2021-11-13 17:48:49,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:48:49,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854120386] [2021-11-13 17:48:49,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:48:49,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:48:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:50,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3401 backedges. 305 proven. 1867 refuted. 0 times theorem prover too weak. 1229 trivial. 0 not checked. [2021-11-13 17:48:50,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:48:50,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854120386] [2021-11-13 17:48:50,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854120386] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:48:50,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791887091] [2021-11-13 17:48:50,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:48:50,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:48:50,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:48:50,529 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:48:50,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-13 17:48:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:50,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 1683 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 17:48:50,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:49:20,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3401 backedges. 2491 proven. 128 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2021-11-13 17:49:20,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:49:35,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3401 backedges. 2551 proven. 68 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2021-11-13 17:49:35,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791887091] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:49:35,759 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:49:35,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 10, 11] total 20 [2021-11-13 17:49:35,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934688426] [2021-11-13 17:49:35,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:49:35,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-13 17:49:35,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:49:35,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-13 17:49:35,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2021-11-13 17:49:35,767 INFO L87 Difference]: Start difference. First operand 13049 states and 13305 transitions. Second operand has 20 states, 20 states have (on average 96.8) internal successors, (1936), 20 states have internal predecessors, (1936), 0 states have call successors, (0), 0 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 17:49:45,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:49:45,152 INFO L93 Difference]: Finished difference Result 34412 states and 35075 transitions. [2021-11-13 17:49:45,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-13 17:49:45,153 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 96.8) internal successors, (1936), 20 states have internal predecessors, (1936), 0 states have call successors, (0), 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 1484 [2021-11-13 17:49:45,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:49:45,154 INFO L225 Difference]: With dead ends: 34412 [2021-11-13 17:49:45,154 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 17:49:45,161 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3000 GetRequests, 2963 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=396, Invalid=1010, Unknown=0, NotChecked=0, Total=1406 [2021-11-13 17:49:45,162 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 7574 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 10172 mSolverCounterSat, 379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7020.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7574 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 10551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.39ms SdHoareTripleChecker+Time, 379 IncrementalHoareTripleChecker+Valid, 10172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8370.65ms IncrementalHoareTripleChecker+Time [2021-11-13 17:49:45,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7574 Valid, 239 Invalid, 10551 Unknown, 0 Unchecked, 33.39ms Time], IncrementalHoareTripleChecker [379 Valid, 10172 Invalid, 0 Unknown, 0 Unchecked, 8370.65ms Time] [2021-11-13 17:49:45,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 17:49:45,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 17:49:45,162 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 17:49:45,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 17:49:45,163 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1484 [2021-11-13 17:49:45,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:49:45,163 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 17:49:45,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 96.8) internal successors, (1936), 20 states have internal predecessors, (1936), 0 states have call successors, (0), 0 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 17:49:45,164 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 17:49:45,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 17:49:45,167 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 17:49:45,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-13 17:49:45,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:49:45,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 17:49:52,648 WARN L227 SmtUtils]: Spent 7.26s on a formula simplification. DAG size of input: 480 DAG size of output: 464 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-13 17:51:34,896 WARN L227 SmtUtils]: Spent 1.70m on a formula simplification. DAG size of input: 880 DAG size of output: 850 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-13 17:53:16,064 WARN L227 SmtUtils]: Spent 1.69m on a formula simplification. DAG size of input: 876 DAG size of output: 849 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-13 17:53:25,681 WARN L227 SmtUtils]: Spent 6.78s on a formula simplification. DAG size of input: 850 DAG size of output: 193 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-13 17:53:33,122 WARN L227 SmtUtils]: Spent 7.44s on a formula simplification. DAG size of input: 849 DAG size of output: 190 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-13 17:53:33,131 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,131 INFO L858 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,131 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,131 INFO L858 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-11-13 17:53:33,131 INFO L858 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,131 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,131 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-11-13 17:53:33,131 INFO L858 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-11-13 17:53:33,132 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,132 INFO L858 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,132 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,132 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-13 17:53:33,132 INFO L858 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,132 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,132 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,132 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,132 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,132 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-11-13 17:53:33,132 INFO L858 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,133 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,133 INFO L858 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-11-13 17:53:33,133 INFO L858 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-11-13 17:53:33,133 INFO L858 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,133 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,133 INFO L858 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-11-13 17:53:33,133 INFO L858 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,133 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-13 17:53:33,133 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,134 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-11-13 17:53:33,134 INFO L858 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-11-13 17:53:33,134 INFO L858 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,134 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,134 INFO L858 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-11-13 17:53:33,134 INFO L858 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-11-13 17:53:33,134 INFO L858 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,135 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,135 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,135 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,135 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,135 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-13 17:53:33,135 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,135 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,135 INFO L858 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,136 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,136 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,136 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,136 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-13 17:53:33,136 INFO L858 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,136 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,136 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,137 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-11-13 17:53:33,137 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,137 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,137 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-11-13 17:53:33,137 INFO L858 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,137 INFO L858 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,137 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,138 INFO L858 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,138 INFO L858 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,138 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,138 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-11-13 17:53:33,138 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,138 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,138 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,139 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,139 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-11-13 17:53:33,139 INFO L858 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-11-13 17:53:33,139 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,139 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,139 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,139 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,139 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-11-13 17:53:33,140 INFO L858 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-11-13 17:53:33,140 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,140 INFO L858 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,140 INFO L858 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,140 INFO L858 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,140 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,140 INFO L858 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-11-13 17:53:33,141 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,141 INFO L858 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-11-13 17:53:33,141 INFO L858 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-11-13 17:53:33,141 INFO L858 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-11-13 17:53:33,141 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-11-13 17:53:33,141 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,141 INFO L858 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,141 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,142 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,142 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,142 INFO L858 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-11-13 17:53:33,142 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,142 INFO L858 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,142 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-11-13 17:53:33,142 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 17:53:33,143 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 176) no Hoare annotation was computed. [2021-11-13 17:53:33,143 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,143 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-11-13 17:53:33,143 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,143 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,143 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,143 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-11-13 17:53:33,144 INFO L858 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,144 INFO L858 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-11-13 17:53:33,144 INFO L858 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-11-13 17:53:33,144 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-11-13 17:53:33,144 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-11-13 17:53:33,144 INFO L858 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-11-13 17:53:33,144 INFO L858 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-11-13 17:53:33,145 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,145 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,145 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,145 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,145 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-11-13 17:53:33,145 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-11-13 17:53:33,145 INFO L858 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,146 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-11-13 17:53:33,146 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,146 INFO L858 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,146 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,146 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,146 INFO L858 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,146 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,147 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-13 17:53:33,147 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,147 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,147 INFO L858 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,147 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,147 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,147 INFO L858 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-11-13 17:53:33,148 INFO L858 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-11-13 17:53:33,148 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,148 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-11-13 17:53:33,148 INFO L858 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-11-13 17:53:33,148 INFO L858 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-11-13 17:53:33,148 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,148 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-11-13 17:53:33,148 INFO L858 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-11-13 17:53:33,149 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,149 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,149 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,149 INFO L858 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,149 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-11-13 17:53:33,149 INFO L858 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-11-13 17:53:33,149 INFO L858 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,150 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,150 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,150 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-11-13 17:53:33,150 INFO L858 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-11-13 17:53:33,150 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,150 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-13 17:53:33,150 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,151 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,151 INFO L858 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,151 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,151 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,151 INFO L858 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,151 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-13 17:53:33,151 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,151 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,152 INFO L858 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-11-13 17:53:33,152 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,152 INFO L858 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,152 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,152 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,152 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-13 17:53:33,152 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,153 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,153 INFO L858 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,153 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,153 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,153 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-13 17:53:33,153 INFO L858 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,153 INFO L858 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,153 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,154 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,154 INFO L858 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-11-13 17:53:33,154 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,154 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,154 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-13 17:53:33,154 INFO L858 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,154 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-11-13 17:53:33,155 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-11-13 17:53:33,155 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,155 INFO L858 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,155 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-11-13 17:53:33,155 INFO L858 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,155 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,155 INFO L858 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,155 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,156 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,156 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-13 17:53:33,156 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,156 INFO L858 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,156 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,156 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,156 INFO L858 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,157 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-11-13 17:53:33,157 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,157 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,157 INFO L858 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-11-13 17:53:33,157 INFO L858 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,157 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-11-13 17:53:33,157 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-11-13 17:53:33,157 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,158 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,158 INFO L858 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,158 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,158 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,158 INFO L858 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-11-13 17:53:33,158 INFO L858 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-11-13 17:53:33,158 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,159 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-11-13 17:53:33,159 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-11-13 17:53:33,159 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,159 INFO L858 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,159 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,159 INFO L858 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,159 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,159 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-11-13 17:53:33,160 INFO L858 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-11-13 17:53:33,160 INFO L858 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-11-13 17:53:33,160 INFO L858 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-11-13 17:53:33,160 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,160 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,160 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,160 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-13 17:53:33,161 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-11-13 17:53:33,161 INFO L858 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,161 INFO L858 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-11-13 17:53:33,161 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,161 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,161 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,161 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,161 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-11-13 17:53:33,162 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-11-13 17:53:33,162 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-11-13 17:53:33,162 INFO L858 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,162 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-11-13 17:53:33,162 INFO L858 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,162 INFO L858 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,162 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,163 INFO L858 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,163 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,163 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,163 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,163 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,163 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-11-13 17:53:33,163 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-11-13 17:53:33,164 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-11-13 17:53:33,164 INFO L858 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-11-13 17:53:33,164 INFO L858 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,164 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,164 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,164 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,165 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse0 (= 2 ~a2~0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse22 (+ 98 ~a0~0)) (.cse20 (+ ~a4~0 86)) (.cse25 (+ ~a0~0 147))) (let ((.cse14 (<= .cse25 0)) (.cse13 (= 5 ~a2~0)) (.cse17 (<= (+ ~a29~0 144) 0)) (.cse5 (= 3 ~a2~0)) (.cse15 (<= 0 (+ ~a0~0 459337))) (.cse19 (<= 4 ~a2~0)) (.cse2 (<= 0 (+ 44 ~a0~0))) (.cse9 (<= 44 ~a29~0)) (.cse3 (<= ~a29~0 41)) (.cse7 (<= 0 (+ 595424 ~a0~0))) (.cse24 (<= 0 (+ 142 ~a29~0))) (.cse21 (<= (+ ~a0~0 61) 0)) (.cse6 (< 0 .cse20)) (.cse18 (< 0 .cse25)) (.cse8 (<= (+ 42 ~a4~0) 0)) (.cse10 (<= .cse22 0)) (.cse11 (= ~a2~0 1)) (.cse12 (or (= |ULTIMATE.start_calculate_output_~input#1| 6) (= |ULTIMATE.start_calculate_output_~input#1| 2) (= |ULTIMATE.start_calculate_output_~input#1| 1) (= |ULTIMATE.start_calculate_output_~input#1| 3) (= |ULTIMATE.start_calculate_output_~input#1| 4) (= |ULTIMATE.start_calculate_output_~input#1| 5))) (.cse4 (or (and (not .cse0) .cse1) (and .cse1 (<= 0 (+ ~a0~0 60))))) (.cse16 (= ~a2~0 4))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse7 .cse8 .cse9 (or .cse6 .cse14) .cse10) (and .cse8 .cse10 .cse5 (or .cse6 .cse14 (<= ~a29~0 43))) (and .cse6 .cse15 .cse8 .cse10 .cse16 .cse17) (and .cse6 .cse18 .cse13 (or (= |ULTIMATE.start_calculate_output2_~input#1| 1) (= 3 |ULTIMATE.start_calculate_output2_~input#1|) (= 5 |ULTIMATE.start_calculate_output2_~input#1|) (= 2 |ULTIMATE.start_calculate_output2_~input#1|) (= 6 |ULTIMATE.start_calculate_output2_~input#1|) (= |ULTIMATE.start_calculate_output2_~input#1| 4)) .cse8 .cse10 .cse12) (and .cse13 .cse3 .cse4 .cse19) (and .cse13 .cse9 .cse4 .cse2) (and .cse11 (<= .cse20 0) .cse21 .cse17) (and .cse3 .cse4 .cse5 .cse17) (and .cse9 .cse4 .cse2 .cse5) (and .cse1 (< 0 .cse22) .cse21) (let ((.cse23 (+ ~a29~0 127))) (and (<= 0 .cse23) .cse1 .cse11 .cse12 .cse2 (<= .cse23 0))) (and .cse6 .cse15 .cse3 .cse8 .cse10 .cse16 .cse24) (and .cse6 .cse7 .cse8 .cse0 .cse10) (and .cse3 .cse1 .cse10) (and .cse3 .cse4 .cse19 .cse2) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse16) (and .cse6 .cse3 .cse7 .cse8 .cse11 .cse12 .cse24 (or .cse18 (< 0 (+ ~a29~0 16)))) (and .cse4 .cse21) (and .cse6 .cse18 .cse8 .cse10 .cse11 .cse12) (and .cse4 .cse16)))) [2021-11-13 17:53:33,165 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-11-13 17:53:33,165 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-11-13 17:53:33,165 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,165 INFO L858 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,166 INFO L858 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,166 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,166 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,166 INFO L858 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,166 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,166 INFO L858 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-11-13 17:53:33,166 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,167 INFO L858 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-11-13 17:53:33,167 INFO L861 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-11-13 17:53:33,167 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,167 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-11-13 17:53:33,167 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-11-13 17:53:33,167 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-11-13 17:53:33,168 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-11-13 17:53:33,168 INFO L858 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,168 INFO L858 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,168 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,168 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,168 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,168 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-13 17:53:33,168 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-11-13 17:53:33,169 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,169 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-11-13 17:53:33,169 INFO L858 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-11-13 17:53:33,169 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,169 INFO L858 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,169 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 17:53:33,169 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,169 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,170 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,170 INFO L858 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,170 INFO L854 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse38 (+ 98 ~a0~0)) (.cse29 (+ ~a4~0 86)) (.cse40 (+ ~a0~0 147)) (.cse34 (= |ULTIMATE.start_calculate_output_~input#1| 2)) (.cse10 (+ ~a29~0 127)) (.cse0 (= 2 ~a2~0)) (.cse1 (<= (+ 89 ~a4~0) 0))) (let ((.cse11 (= ~a2~0 1)) (.cse28 (<= (+ ~a0~0 61) 0)) (.cse22 (<= ~a29~0 41)) (.cse23 (or (and (not .cse0) .cse1) (and .cse1 (<= 0 (+ ~a0~0 60))))) (.cse18 (= 3 ~a2~0)) (.cse12 (<= .cse10 0)) (.cse33 (not .cse34)) (.cse36 (= |ULTIMATE.start_calculate_output_~input#1| 4)) (.cse31 (< 0 .cse40)) (.cse35 (= |ULTIMATE.start_calculate_output_~input#1| 3)) (.cse39 (< 43 ~a29~0)) (.cse3 (< 0 .cse29)) (.cse27 (< 0 .cse38))) (let ((.cse17 (or .cse3 (<= .cse40 0) .cse27 (<= ~a29~0 43))) (.cse13 (<= 0 (+ 595424 ~a0~0))) (.cse21 (<= (+ ~a29~0 144) 0)) (.cse8 (or .cse31 (not .cse35) .cse39)) (.cse26 (or .cse31 (not .cse36))) (.cse9 (or .cse31 .cse39 .cse33)) (.cse4 (= 5 ~a2~0)) (.cse16 (<= 4 ~a2~0)) (.cse14 (<= 44 ~a29~0)) (.cse2 (<= 0 (+ 44 ~a0~0))) (.cse32 (or (and .cse22 .cse23 .cse18 .cse27) (and .cse1 .cse18 .cse12))) (.cse15 (<= .cse38 0)) (.cse20 (= ~a2~0 4)) (.cse24 (<= ~a29~0 31)) (.cse19 (<= 0 (+ ~a0~0 459337))) (.cse5 (<= (+ 42 ~a4~0) 0)) (.cse30 (let ((.cse37 (<= ~a29~0 401234))) (or (and .cse3 .cse11 .cse37) (and .cse11 .cse37 .cse28)))) (.cse6 (or (= |ULTIMATE.start_calculate_output_~input#1| 6) .cse34 (= |ULTIMATE.start_calculate_output_~input#1| 1) .cse35 .cse36 (= |ULTIMATE.start_calculate_output_~input#1| 5))) (.cse25 (<= 0 (+ 142 ~a29~0)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 (<= (+ ~a0~0 386992) 0) .cse6 (exists ((v_~a0~0_831 Int)) (and (let ((.cse7 (div (+ (* v_~a0~0_831 10) (- 4869710)) 9))) (or (and (<= .cse7 ~a0~0) (or (<= 4869710 (* 10 v_~a0~0_831)) (= (mod (+ v_~a0~0_831 1) 9) 0))) (<= (+ .cse7 1) ~a0~0))) (< 0 (+ 147 v_~a0~0_831)))) .cse8 .cse9) (and (<= 0 .cse10) .cse1 .cse11 .cse2 .cse12) (and .cse4 .cse13 .cse5 .cse14 .cse15 .cse16 .cse17) (and .cse3 .cse13 .cse5 .cse14 .cse15 .cse11) (and .cse5 .cse15 .cse17 .cse18) (and .cse3 .cse19 .cse5 .cse15 .cse20 .cse21) (and .cse4 .cse22 .cse23 .cse16) (and .cse4 .cse14 .cse23 .cse16 .cse2) (and .cse24 .cse3 .cse19 .cse4 .cse5 .cse15 .cse16 .cse25 .cse26) (and .cse1 .cse27 .cse28) (and .cse3 .cse19 .cse22 .cse5 .cse15 .cse20 .cse25) (and .cse3 .cse13 .cse5 .cse0 .cse15) (and .cse22 .cse1 .cse15) (and .cse22 .cse23 .cse16 .cse2) (and .cse11 (<= .cse29 0) .cse21) (and .cse3 .cse13 .cse5 .cse14 .cse15 .cse20) (and .cse3 .cse22 .cse13 .cse5 .cse30 .cse6 .cse25 (or .cse31 (< 0 (+ ~a29~0 16)))) (and .cse32 .cse21) (and .cse3 .cse5 (<= (+ ~a29~0 9) 0) .cse30 .cse25 .cse27 .cse28) (and .cse3 .cse19 .cse4 .cse5 (<= 0 (+ ~a29~0 15)) .cse15 .cse16 .cse6 .cse8 .cse26 .cse9) (and .cse3 .cse31 .cse4 .cse5 .cse15 .cse16) (and .cse14 .cse23 .cse2 .cse18 .cse27) (and .cse2 .cse32) (and .cse23 .cse28) (and .cse3 .cse31 .cse5 .cse15 .cse11 .cse6) (and .cse23 .cse20) (and .cse24 .cse3 .cse19 .cse5 .cse33 .cse30 .cse6 .cse25))))) [2021-11-13 17:53:33,170 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,171 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-11-13 17:53:33,171 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-11-13 17:53:33,171 INFO L858 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,171 INFO L858 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,171 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,171 INFO L858 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,172 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,172 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,172 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-13 17:53:33,172 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-11-13 17:53:33,172 INFO L858 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,172 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,172 INFO L858 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-11-13 17:53:33,173 INFO L858 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,173 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,173 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,173 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,173 INFO L858 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,173 INFO L858 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,173 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-13 17:53:33,173 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-11-13 17:53:33,174 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,174 INFO L858 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,174 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,174 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,174 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,174 INFO L858 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,174 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-11-13 17:53:33,175 INFO L858 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,175 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-11-13 17:53:33,175 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,175 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,175 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,175 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,175 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,175 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,176 INFO L858 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,176 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-13 17:53:33,176 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-11-13 17:53:33,176 INFO L858 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,176 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,176 INFO L858 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,176 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,176 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,177 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,177 INFO L858 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,177 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-13 17:53:33,177 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-11-13 17:53:33,177 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,177 INFO L858 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,177 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,178 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,178 INFO L858 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,178 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,178 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,178 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-11-13 17:53:33,178 INFO L858 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-11-13 17:53:33,178 INFO L858 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,178 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-13 17:53:33,179 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-11-13 17:53:33,179 INFO L858 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,179 INFO L858 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,179 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,179 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,179 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,179 INFO L858 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,180 INFO L854 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse37 (+ 98 ~a0~0)) (.cse28 (+ ~a4~0 86)) (.cse39 (+ ~a0~0 147)) (.cse33 (= |ULTIMATE.start_calculate_output_~input#1| 2)) (.cse26 (+ ~a29~0 127)) (.cse0 (= 2 ~a2~0)) (.cse1 (<= (+ 89 ~a4~0) 0))) (let ((.cse11 (= ~a2~0 1)) (.cse25 (<= (+ ~a0~0 61) 0)) (.cse19 (<= ~a29~0 41)) (.cse20 (or (and (not .cse0) .cse1) (and .cse1 (<= 0 (+ ~a0~0 60))))) (.cse15 (= 3 ~a2~0)) (.cse27 (<= .cse26 0)) (.cse32 (not .cse33)) (.cse35 (= |ULTIMATE.start_calculate_output_~input#1| 4)) (.cse30 (< 0 .cse39)) (.cse34 (= |ULTIMATE.start_calculate_output_~input#1| 3)) (.cse38 (< 43 ~a29~0)) (.cse10 (< 0 .cse28)) (.cse24 (< 0 .cse37))) (let ((.cse9 (or .cse10 (<= .cse39 0) .cse24 (<= ~a29~0 43))) (.cse4 (<= 0 (+ 595424 ~a0~0))) (.cse18 (<= (+ ~a29~0 144) 0)) (.cse13 (or .cse30 (not .cse34) .cse38)) (.cse23 (or .cse30 (not .cse35))) (.cse14 (or .cse30 .cse38 .cse32)) (.cse3 (= 5 ~a2~0)) (.cse8 (<= 4 ~a2~0)) (.cse6 (<= 44 ~a29~0)) (.cse2 (<= 0 (+ 44 ~a0~0))) (.cse31 (or (and .cse19 .cse20 .cse15 .cse24) (and .cse1 .cse15 .cse27))) (.cse7 (<= .cse37 0)) (.cse17 (= ~a2~0 4)) (.cse21 (<= ~a29~0 31)) (.cse16 (<= 0 (+ ~a0~0 459337))) (.cse5 (<= (+ 42 ~a4~0) 0)) (.cse29 (let ((.cse36 (<= ~a29~0 401234))) (or (and .cse10 .cse11 .cse36) (and .cse11 .cse36 .cse25)))) (.cse12 (or (= |ULTIMATE.start_calculate_output_~input#1| 6) .cse33 (= |ULTIMATE.start_calculate_output_~input#1| 1) .cse34 .cse35 (= |ULTIMATE.start_calculate_output_~input#1| 5))) (.cse22 (<= 0 (+ 142 ~a29~0)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse4 .cse5 .cse6 .cse7 .cse11) (and .cse10 .cse3 .cse5 (<= (+ ~a0~0 386992) 0) .cse12 (exists ((aux_div_v_~a0~0_833_25 Int) (aux_mod_v_~a0~0_833_25 Int)) (and (< 0 (+ 146 aux_mod_v_~a0~0_833_25 (* 9 aux_div_v_~a0~0_833_25))) (< aux_mod_v_~a0~0_833_25 9) (<= 0 aux_mod_v_~a0~0_833_25) (<= (+ 1 (div (+ (* aux_mod_v_~a0~0_833_25 10) (- 4869720) (* aux_div_v_~a0~0_833_25 90)) 9)) ~a0~0))) .cse13 .cse14) (and .cse5 .cse7 .cse9 .cse15) (and .cse10 .cse16 .cse5 .cse7 .cse17 .cse18) (and .cse3 .cse19 .cse20 .cse8) (and .cse3 .cse6 .cse20 .cse8 .cse2) (and .cse21 .cse10 .cse16 .cse3 .cse5 .cse7 .cse8 .cse22 .cse23) (and .cse1 .cse24 .cse25) (and (<= 0 .cse26) .cse1 .cse11 .cse12 .cse2 .cse27) (and .cse10 .cse16 .cse19 .cse5 .cse7 .cse17 .cse22) (and .cse10 .cse4 .cse5 .cse0 .cse7) (and .cse19 .cse1 .cse7) (and .cse19 .cse20 .cse8 .cse2) (and .cse11 (<= .cse28 0) .cse18) (and .cse10 .cse4 .cse5 .cse6 .cse7 .cse17) (and .cse10 .cse19 .cse4 .cse5 .cse29 .cse12 .cse22 (or .cse30 (< 0 (+ ~a29~0 16)))) (and .cse31 .cse18) (and .cse10 .cse5 (<= (+ ~a29~0 9) 0) .cse29 .cse22 .cse24 .cse25) (and .cse10 .cse16 .cse3 .cse5 (<= 0 (+ ~a29~0 15)) .cse7 .cse8 .cse12 .cse13 .cse23 .cse14) (and .cse10 .cse30 .cse3 .cse5 .cse7 .cse8) (and .cse6 .cse20 .cse2 .cse15 .cse24) (and .cse2 .cse31) (and .cse20 .cse25) (and .cse10 .cse30 .cse5 .cse7 .cse11 .cse12) (and .cse20 .cse17) (and .cse21 .cse10 .cse16 .cse5 .cse32 .cse29 .cse12 .cse22))))) [2021-11-13 17:53:33,180 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-13 17:53:33,180 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-11-13 17:53:33,180 INFO L858 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,180 INFO L858 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,181 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,181 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,181 INFO L858 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,181 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,181 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,181 INFO L858 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,181 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-11-13 17:53:33,182 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-11-13 17:53:33,182 INFO L858 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,182 INFO L858 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-11-13 17:53:33,182 INFO L858 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-11-13 17:53:33,182 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,182 INFO L858 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,182 INFO L858 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,182 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,183 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,183 INFO L858 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-11-13 17:53:33,183 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 17:53:33,183 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-11-13 17:53:33,183 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,183 INFO L858 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,183 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,183 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,184 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-11-13 17:53:33,184 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-11-13 17:53:33,184 INFO L858 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-11-13 17:53:33,184 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,184 INFO L858 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-11-13 17:53:33,184 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-11-13 17:53:33,184 INFO L858 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,185 INFO L858 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,185 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,185 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,185 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,185 INFO L858 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,185 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,185 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-13 17:53:33,185 INFO L858 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-11-13 17:53:33,186 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,186 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,186 INFO L858 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,186 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-11-13 17:53:33,186 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,186 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,186 INFO L858 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-11-13 17:53:33,186 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,187 INFO L858 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,187 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,187 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,187 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,187 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,187 INFO L858 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,187 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-11-13 17:53:33,188 INFO L858 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-11-13 17:53:33,188 INFO L858 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,188 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-11-13 17:53:33,188 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,188 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-11-13 17:53:33,188 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,188 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-11-13 17:53:33,188 INFO L858 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-11-13 17:53:33,192 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:53:33,194 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 17:53:33,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,227 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,227 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,228 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,228 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,234 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,234 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,234 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,235 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,241 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,241 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,241 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,241 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,248 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,248 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,249 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,249 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,249 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,249 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:53:33 BoogieIcfgContainer [2021-11-13 17:53:33,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 17:53:33,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 17:53:33,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 17:53:33,255 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 17:53:33,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:45:13" (3/4) ... [2021-11-13 17:53:33,259 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 17:53:33,295 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-13 17:53:33,298 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 17:53:33,302 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 17:53:33,305 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 17:53:33,331 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && 0 <= 44 + a0) || (((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && a0 + 386992 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && (\exists v_~a0~0_831 : int :: (((v_~a0~0_831 * 10 + -4869710) / 9 <= a0 && (4869710 <= 10 * v_~a0~0_831 || (v_~a0~0_831 + 1) % 9 == 0)) || (v_~a0~0_831 * 10 + -4869710) / 9 + 1 <= a0) && 0 < 147 + v_~a0~0_831)) && ((0 < a0 + 147 || !(input == 3)) || 43 < a29)) && ((0 < a0 + 147 || 43 < a29) || !(input == 2)))) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((((5 == a2 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 44 <= a29) && 98 + a0 <= 0) && 4 <= a2) && (((0 < a4 + 86 || a0 + 147 <= 0) || 0 < 98 + a0) || a29 <= 43))) || (((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 44 <= a29) && 98 + a0 <= 0) && a2 == 1)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && (((0 < a4 + 86 || a0 + 147 <= 0) || 0 < 98 + a0) || a29 <= 43)) && 3 == a2)) || (((((0 < a4 + 86 && 0 <= a0 + 459337) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 4) && a29 + 144 <= 0)) || (((5 == a2 && a29 <= 41) && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 4 <= a2)) || ((((5 == a2 && 44 <= a29) && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 4 <= a2) && 0 <= 44 + a0)) || ((((((((a29 <= 31 && 0 < a4 + 86) && 0 <= a0 + 459337) && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0) && 4 <= a2) && 0 <= 142 + a29) && (0 < a0 + 147 || !(input == 4)))) || ((89 + a4 <= 0 && 0 < 98 + a0) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 0 <= a0 + 459337) && a29 <= 41) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 4) && 0 <= 142 + a29)) || ((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || ((a29 <= 41 && 89 + a4 <= 0) && 98 + a0 <= 0)) || (((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 4 <= a2) && 0 <= 44 + a0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 44 <= a29) && 98 + a0 <= 0) && a2 == 4)) || (((((((0 < a4 + 86 && a29 <= 41) && 0 <= 595424 + a0) && 42 + a4 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && (0 < a0 + 147 || 0 < a29 + 16))) || (((((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 3 == a2) && 0 < 98 + a0) || ((89 + a4 <= 0 && 3 == a2) && a29 + 127 <= 0)) && a29 + 144 <= 0)) || ((((((0 < a4 + 86 && 42 + a4 <= 0) && a29 + 9 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 <= 142 + a29) && 0 < 98 + a0) && a0 + 61 <= 0)) || ((((((((((0 < a4 + 86 && 0 <= a0 + 459337) && 5 == a2) && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && 4 <= a2) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && ((0 < a0 + 147 || !(input == 3)) || 43 < a29)) && (0 < a0 + 147 || !(input == 4))) && ((0 < a0 + 147 || 43 < a29) || !(input == 2)))) || (((((0 < a4 + 86 && 0 < a0 + 147) && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0) && 4 <= a2)) || ((((44 <= a29 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 0 <= 44 + a0) && 3 == a2) && 0 < 98 + a0)) || (0 <= 44 + a0 && ((((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 3 == a2) && 0 < 98 + a0) || ((89 + a4 <= 0 && 3 == a2) && a29 + 127 <= 0)))) || (((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60)) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5))) || (((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60)) && a2 == 4)) || (((((((a29 <= 31 && 0 < a4 + 86) && 0 <= a0 + 459337) && 42 + a4 <= 0) && !(input == 2)) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) [2021-11-13 17:53:33,335 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && 0 <= 44 + a0) || ((((((5 == a2 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 44 <= a29) && 98 + a0 <= 0) && 4 <= a2) && (((0 < a4 + 86 || a0 + 147 <= 0) || 0 < 98 + a0) || a29 <= 43))) || (((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 44 <= a29) && 98 + a0 <= 0) && a2 == 1)) || (((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && a0 + 386992 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && (\exists aux_div_v_~a0~0_833_25 : int, aux_mod_v_~a0~0_833_25 : int :: ((0 < 146 + aux_mod_v_~a0~0_833_25 + 9 * aux_div_v_~a0~0_833_25 && aux_mod_v_~a0~0_833_25 < 9) && 0 <= aux_mod_v_~a0~0_833_25) && 1 + (aux_mod_v_~a0~0_833_25 * 10 + -4869720 + aux_div_v_~a0~0_833_25 * 90) / 9 <= a0)) && ((0 < a0 + 147 || !(input == 3)) || 43 < a29)) && ((0 < a0 + 147 || 43 < a29) || !(input == 2)))) || (((42 + a4 <= 0 && 98 + a0 <= 0) && (((0 < a4 + 86 || a0 + 147 <= 0) || 0 < 98 + a0) || a29 <= 43)) && 3 == a2)) || (((((0 < a4 + 86 && 0 <= a0 + 459337) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 4) && a29 + 144 <= 0)) || (((5 == a2 && a29 <= 41) && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 4 <= a2)) || ((((5 == a2 && 44 <= a29) && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 4 <= a2) && 0 <= 44 + a0)) || ((((((((a29 <= 31 && 0 < a4 + 86) && 0 <= a0 + 459337) && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0) && 4 <= a2) && 0 <= 142 + a29) && (0 < a0 + 147 || !(input == 4)))) || ((89 + a4 <= 0 && 0 < 98 + a0) && a0 + 61 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((((0 < a4 + 86 && 0 <= a0 + 459337) && a29 <= 41) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 4) && 0 <= 142 + a29)) || ((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || ((a29 <= 41 && 89 + a4 <= 0) && 98 + a0 <= 0)) || (((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 4 <= a2) && 0 <= 44 + a0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 44 <= a29) && 98 + a0 <= 0) && a2 == 4)) || (((((((0 < a4 + 86 && a29 <= 41) && 0 <= 595424 + a0) && 42 + a4 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && (0 < a0 + 147 || 0 < a29 + 16))) || (((((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 3 == a2) && 0 < 98 + a0) || ((89 + a4 <= 0 && 3 == a2) && a29 + 127 <= 0)) && a29 + 144 <= 0)) || ((((((0 < a4 + 86 && 42 + a4 <= 0) && a29 + 9 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 <= 142 + a29) && 0 < 98 + a0) && a0 + 61 <= 0)) || ((((((((((0 < a4 + 86 && 0 <= a0 + 459337) && 5 == a2) && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && 4 <= a2) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && ((0 < a0 + 147 || !(input == 3)) || 43 < a29)) && (0 < a0 + 147 || !(input == 4))) && ((0 < a0 + 147 || 43 < a29) || !(input == 2)))) || (((((0 < a4 + 86 && 0 < a0 + 147) && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0) && 4 <= a2)) || ((((44 <= a29 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 0 <= 44 + a0) && 3 == a2) && 0 < 98 + a0)) || (0 <= 44 + a0 && ((((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 3 == a2) && 0 < 98 + a0) || ((89 + a4 <= 0 && 3 == a2) && a29 + 127 <= 0)))) || (((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60)) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5))) || (((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60)) && a2 == 4)) || (((((((a29 <= 31 && 0 < a4 + 86) && 0 <= a0 + 459337) && 42 + a4 <= 0) && !(input == 2)) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) [2021-11-13 17:53:33,504 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 17:53:33,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 17:53:33,505 INFO L158 Benchmark]: Toolchain (without parser) took 505291.27ms. Allocated memory was 90.2MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 49.5MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 209.4MB. Max. memory is 16.1GB. [2021-11-13 17:53:33,505 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:53:33,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1442.53ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 68.5MB in the beginning and 61.6MB in the end (delta: 6.9MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2021-11-13 17:53:33,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 292.22ms. Allocated memory is still 119.5MB. Free memory was 61.6MB in the beginning and 62.0MB in the end (delta: -403.2kB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2021-11-13 17:53:33,506 INFO L158 Benchmark]: Boogie Preprocessor took 322.10ms. Allocated memory is still 119.5MB. Free memory was 62.0MB in the beginning and 57.9MB in the end (delta: 4.1MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-13 17:53:33,506 INFO L158 Benchmark]: RCFGBuilder took 3468.29ms. Allocated memory was 119.5MB in the beginning and 186.6MB in the end (delta: 67.1MB). Free memory was 57.5MB in the beginning and 82.5MB in the end (delta: -25.0MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2021-11-13 17:53:33,506 INFO L158 Benchmark]: TraceAbstraction took 499486.93ms. Allocated memory was 186.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 82.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 909.5MB. Max. memory is 16.1GB. [2021-11-13 17:53:33,507 INFO L158 Benchmark]: Witness Printer took 249.03ms. Allocated memory is still 1.4GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-13 17:53:33,508 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1442.53ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 68.5MB in the beginning and 61.6MB in the end (delta: 6.9MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 292.22ms. Allocated memory is still 119.5MB. Free memory was 61.6MB in the beginning and 62.0MB in the end (delta: -403.2kB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 322.10ms. Allocated memory is still 119.5MB. Free memory was 62.0MB in the beginning and 57.9MB in the end (delta: 4.1MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3468.29ms. Allocated memory was 119.5MB in the beginning and 186.6MB in the end (delta: 67.1MB). Free memory was 57.5MB in the beginning and 82.5MB in the end (delta: -25.0MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. * TraceAbstraction took 499486.93ms. Allocated memory was 186.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 82.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 909.5MB. Max. memory is 16.1GB. * Witness Printer took 249.03ms. Allocated memory is still 1.4GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a0~0_833_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a0~0_833_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a0~0_833_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a0~0_833_25,QUANTIFIED] * 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: 176]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 499.4s, OverallIterations: 33, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 76.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 227.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25150 SdHoareTripleChecker+Valid, 69609.80ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25150 mSDsluCounter, 11484 SdHoareTripleChecker+Invalid, 58975.10ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3530 IncrementalHoareTripleChecker+Unchecked, 1772 mSDsCounter, 5526 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56921 IncrementalHoareTripleChecker+Invalid, 65977 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5526 mSolverCounterUnsat, 9712 mSDtfsCounter, 56921 mSolverCounterSat, 254.18ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15276 GetRequests, 15105 SyntacticMatches, 2 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16293occurred in iteration=21, InterpolantAutomatonStates: 190, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.3s AutomataMinimizationTime, 33 MinimizatonAttempts, 39369 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 302 NumberOfFragments, 2992 HoareAnnotationTreeSize, 4 FomulaSimplifications, 1271006 FormulaSimplificationTreeSizeReduction, 210.7s HoareSimplificationTime, 4 FomulaSimplificationsInter, 2953089 FormulaSimplificationTreeSizeReductionInter, 17.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.6s SsaConstructionTime, 5.2s SatisfiabilityAnalysisTime, 179.4s InterpolantComputationTime, 34721 NumberOfCodeBlocks, 34721 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 39226 ConstructedInterpolants, 1225 QuantifiedInterpolants, 260067 SizeOfPredicates, 34 NumberOfNonLiveVariables, 12306 ConjunctsInSsa, 80 ConjunctsInUnsatCore, 47 InterpolantComputations, 29 PerfectInterpolantSequences, 58874/64565 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && 0 <= 44 + a0) || (((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 0 <= 44 + a0) && 3 == a2)) || ((((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 44 <= a29) && 98 + a0 <= 0) && a2 == 1) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5))) || (((((5 == a2 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 44 <= a29) && (0 < a4 + 86 || a0 + 147 <= 0)) && 98 + a0 <= 0)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) && ((0 < a4 + 86 || a0 + 147 <= 0) || a29 <= 43))) || (((((0 < a4 + 86 && 0 <= a0 + 459337) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 4) && a29 + 144 <= 0)) || ((((((0 < a4 + 86 && 0 < a0 + 147) && 5 == a2) && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 42 + a4 <= 0) && 98 + a0 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5))) || (((5 == a2 && a29 <= 41) && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 4 <= a2)) || (((5 == a2 && 44 <= a29) && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 0 <= 44 + a0)) || (((a2 == 1 && a4 + 86 <= 0) && a0 + 61 <= 0) && a29 + 144 <= 0)) || (((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 3 == a2) && a29 + 144 <= 0)) || (((44 <= a29 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 0 <= 44 + a0) && 3 == a2)) || ((89 + a4 <= 0 && 0 < 98 + a0) && a0 + 61 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((((0 < a4 + 86 && 0 <= a0 + 459337) && a29 <= 41) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 4) && 0 <= 142 + a29)) || ((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || ((a29 <= 41 && 89 + a4 <= 0) && 98 + a0 <= 0)) || (((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 4 <= a2) && 0 <= 44 + a0)) || (((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 44 <= a29) && 98 + a0 <= 0) && a2 == 4)) || (((((((0 < a4 + 86 && a29 <= 41) && 0 <= 595424 + a0) && 42 + a4 <= 0) && a2 == 1) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && (0 < a0 + 147 || 0 < a29 + 16))) || (((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60)) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5))) || (((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60)) && a2 == 4) - InvariantResult [Line: 1776]: Loop Invariant [2021-11-13 17:53:33,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,524 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,524 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-11-13 17:53:33,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && 0 <= 44 + a0) || (((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && a0 + 386992 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && (\exists v_~a0~0_831 : int :: (((v_~a0~0_831 * 10 + -4869710) / 9 <= a0 && (4869710 <= 10 * v_~a0~0_831 || (v_~a0~0_831 + 1) % 9 == 0)) || (v_~a0~0_831 * 10 + -4869710) / 9 + 1 <= a0) && 0 < 147 + v_~a0~0_831)) && ((0 < a0 + 147 || !(input == 3)) || 43 < a29)) && ((0 < a0 + 147 || 43 < a29) || !(input == 2)))) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((((5 == a2 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 44 <= a29) && 98 + a0 <= 0) && 4 <= a2) && (((0 < a4 + 86 || a0 + 147 <= 0) || 0 < 98 + a0) || a29 <= 43))) || (((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 44 <= a29) && 98 + a0 <= 0) && a2 == 1)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && (((0 < a4 + 86 || a0 + 147 <= 0) || 0 < 98 + a0) || a29 <= 43)) && 3 == a2)) || (((((0 < a4 + 86 && 0 <= a0 + 459337) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 4) && a29 + 144 <= 0)) || (((5 == a2 && a29 <= 41) && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 4 <= a2)) || ((((5 == a2 && 44 <= a29) && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 4 <= a2) && 0 <= 44 + a0)) || ((((((((a29 <= 31 && 0 < a4 + 86) && 0 <= a0 + 459337) && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0) && 4 <= a2) && 0 <= 142 + a29) && (0 < a0 + 147 || !(input == 4)))) || ((89 + a4 <= 0 && 0 < 98 + a0) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 0 <= a0 + 459337) && a29 <= 41) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 4) && 0 <= 142 + a29)) || ((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || ((a29 <= 41 && 89 + a4 <= 0) && 98 + a0 <= 0)) || (((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 4 <= a2) && 0 <= 44 + a0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 44 <= a29) && 98 + a0 <= 0) && a2 == 4)) || (((((((0 < a4 + 86 && a29 <= 41) && 0 <= 595424 + a0) && 42 + a4 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && (0 < a0 + 147 || 0 < a29 + 16))) || (((((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 3 == a2) && 0 < 98 + a0) || ((89 + a4 <= 0 && 3 == a2) && a29 + 127 <= 0)) && a29 + 144 <= 0)) || ((((((0 < a4 + 86 && 42 + a4 <= 0) && a29 + 9 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 <= 142 + a29) && 0 < 98 + a0) && a0 + 61 <= 0)) || ((((((((((0 < a4 + 86 && 0 <= a0 + 459337) && 5 == a2) && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && 4 <= a2) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && ((0 < a0 + 147 || !(input == 3)) || 43 < a29)) && (0 < a0 + 147 || !(input == 4))) && ((0 < a0 + 147 || 43 < a29) || !(input == 2)))) || (((((0 < a4 + 86 && 0 < a0 + 147) && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0) && 4 <= a2)) || ((((44 <= a29 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 0 <= 44 + a0) && 3 == a2) && 0 < 98 + a0)) || (0 <= 44 + a0 && ((((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 3 == a2) && 0 < 98 + a0) || ((89 + a4 <= 0 && 3 == a2) && a29 + 127 <= 0)))) || (((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60)) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5))) || (((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60)) && a2 == 4)) || (((((((a29 <= 31 && 0 < a4 + 86) && 0 <= a0 + 459337) && 42 + a4 <= 0) && !(input == 2)) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) - InvariantResult [Line: 33]: Loop Invariant [2021-11-13 17:53:33,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,532 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,532 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,532 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,533 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,533 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a0~0_833_25,QUANTIFIED] [2021-11-13 17:53:33,533 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a0~0_833_25,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && 0 <= 44 + a0) || ((((((5 == a2 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 44 <= a29) && 98 + a0 <= 0) && 4 <= a2) && (((0 < a4 + 86 || a0 + 147 <= 0) || 0 < 98 + a0) || a29 <= 43))) || (((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 44 <= a29) && 98 + a0 <= 0) && a2 == 1)) || (((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && a0 + 386992 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && (\exists aux_div_v_~a0~0_833_25 : int, aux_mod_v_~a0~0_833_25 : int :: ((0 < 146 + aux_mod_v_~a0~0_833_25 + 9 * aux_div_v_~a0~0_833_25 && aux_mod_v_~a0~0_833_25 < 9) && 0 <= aux_mod_v_~a0~0_833_25) && 1 + (aux_mod_v_~a0~0_833_25 * 10 + -4869720 + aux_div_v_~a0~0_833_25 * 90) / 9 <= a0)) && ((0 < a0 + 147 || !(input == 3)) || 43 < a29)) && ((0 < a0 + 147 || 43 < a29) || !(input == 2)))) || (((42 + a4 <= 0 && 98 + a0 <= 0) && (((0 < a4 + 86 || a0 + 147 <= 0) || 0 < 98 + a0) || a29 <= 43)) && 3 == a2)) || (((((0 < a4 + 86 && 0 <= a0 + 459337) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 4) && a29 + 144 <= 0)) || (((5 == a2 && a29 <= 41) && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 4 <= a2)) || ((((5 == a2 && 44 <= a29) && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 4 <= a2) && 0 <= 44 + a0)) || ((((((((a29 <= 31 && 0 < a4 + 86) && 0 <= a0 + 459337) && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0) && 4 <= a2) && 0 <= 142 + a29) && (0 < a0 + 147 || !(input == 4)))) || ((89 + a4 <= 0 && 0 < 98 + a0) && a0 + 61 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((((0 < a4 + 86 && 0 <= a0 + 459337) && a29 <= 41) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 4) && 0 <= 142 + a29)) || ((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || ((a29 <= 41 && 89 + a4 <= 0) && 98 + a0 <= 0)) || (((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 4 <= a2) && 0 <= 44 + a0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 44 <= a29) && 98 + a0 <= 0) && a2 == 4)) || (((((((0 < a4 + 86 && a29 <= 41) && 0 <= 595424 + a0) && 42 + a4 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && (0 < a0 + 147 || 0 < a29 + 16))) || (((((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 3 == a2) && 0 < 98 + a0) || ((89 + a4 <= 0 && 3 == a2) && a29 + 127 <= 0)) && a29 + 144 <= 0)) || ((((((0 < a4 + 86 && 42 + a4 <= 0) && a29 + 9 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 <= 142 + a29) && 0 < 98 + a0) && a0 + 61 <= 0)) || ((((((((((0 < a4 + 86 && 0 <= a0 + 459337) && 5 == a2) && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && 4 <= a2) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && ((0 < a0 + 147 || !(input == 3)) || 43 < a29)) && (0 < a0 + 147 || !(input == 4))) && ((0 < a0 + 147 || 43 < a29) || !(input == 2)))) || (((((0 < a4 + 86 && 0 < a0 + 147) && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0) && 4 <= a2)) || ((((44 <= a29 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 0 <= 44 + a0) && 3 == a2) && 0 < 98 + a0)) || (0 <= 44 + a0 && ((((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 3 == a2) && 0 < 98 + a0) || ((89 + a4 <= 0 && 3 == a2) && a29 + 127 <= 0)))) || (((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60)) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5))) || (((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60)) && a2 == 4)) || (((((((a29 <= 31 && 0 < a4 + 86) && 0 <= a0 + 459337) && 42 + a4 <= 0) && !(input == 2)) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) RESULT: Ultimate proved your program to be correct! [2021-11-13 17:53:33,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65b64b7-75c3-4232-b0bf-216fa2638e41/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE