./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label26.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa --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 f464de24b3032dee99022ecd3bac09be4532608b487d4a13c374cca55e302076 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:41:50,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:41:50,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:41:50,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:41:50,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:41:50,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:41:50,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:41:50,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:41:50,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:41:50,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:41:50,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:41:50,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:41:50,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:41:50,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:41:50,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:41:50,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:41:50,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:41:50,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:41:50,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:41:50,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:41:50,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:41:50,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:41:50,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:41:50,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:41:50,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:41:50,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:41:50,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:41:50,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:41:50,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:41:50,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:41:50,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:41:50,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:41:50,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:41:50,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:41:50,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:41:50,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:41:50,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:41:50,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:41:50,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:41:50,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:41:50,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:41:50,939 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 22:41:50,956 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:41:50,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:41:50,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:41:50,956 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:41:50,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:41:50,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:41:50,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:41:50,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:41:50,957 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:41:50,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:41:50,958 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:41:50,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:41:50,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:41:50,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:41:50,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:41:50,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:41:50,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:41:50,958 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:41:50,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:41:50,959 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:41:50,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:41:50,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:41:50,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:41:50,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:41:50,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:41:50,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:41:50,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:41:50,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:41:50,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:41:50,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:41:50,960 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:41:50,960 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:41:50,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:41:50,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:41:50,960 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_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f464de24b3032dee99022ecd3bac09be4532608b487d4a13c374cca55e302076 [2021-12-06 22:41:51,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:41:51,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:41:51,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:41:51,182 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:41:51,182 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:41:51,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/eca-rers2012/Problem11_label26.c [2021-12-06 22:41:51,235 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/data/4b9d5e858/bf7a9723a970486fa504953c62f39f3f/FLAG86efa9c9c [2021-12-06 22:41:51,713 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:41:51,713 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/sv-benchmarks/c/eca-rers2012/Problem11_label26.c [2021-12-06 22:41:51,726 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/data/4b9d5e858/bf7a9723a970486fa504953c62f39f3f/FLAG86efa9c9c [2021-12-06 22:41:51,738 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/data/4b9d5e858/bf7a9723a970486fa504953c62f39f3f [2021-12-06 22:41:51,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:41:51,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:41:51,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:41:51,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:41:51,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:41:51,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:41:51" (1/1) ... [2021-12-06 22:41:51,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ee4672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:41:51, skipping insertion in model container [2021-12-06 22:41:51,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:41:51" (1/1) ... [2021-12-06 22:41:51,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:41:51,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:41:51,983 WARN L230 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_f988298a-915d-4696-af06-5d5a7702d3e3/sv-benchmarks/c/eca-rers2012/Problem11_label26.c[5699,5712] [2021-12-06 22:41:52,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:41:52,141 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:41:52,159 WARN L230 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_f988298a-915d-4696-af06-5d5a7702d3e3/sv-benchmarks/c/eca-rers2012/Problem11_label26.c[5699,5712] [2021-12-06 22:41:52,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:41:52,273 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:41:52,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:41:52 WrapperNode [2021-12-06 22:41:52,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:41:52,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:41:52,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:41:52,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:41:52,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:41:52" (1/1) ... [2021-12-06 22:41:52,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:41:52" (1/1) ... [2021-12-06 22:41:52,393 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-06 22:41:52,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:41:52,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:41:52,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:41:52,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:41:52,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:41:52" (1/1) ... [2021-12-06 22:41:52,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:41:52" (1/1) ... [2021-12-06 22:41:52,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:41:52" (1/1) ... [2021-12-06 22:41:52,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:41:52" (1/1) ... [2021-12-06 22:41:52,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:41:52" (1/1) ... [2021-12-06 22:41:52,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:41:52" (1/1) ... [2021-12-06 22:41:52,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:41:52" (1/1) ... [2021-12-06 22:41:52,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:41:52,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:41:52,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:41:52,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:41:52,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:41:52" (1/1) ... [2021-12-06 22:41:52,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:41:52,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:41:52,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:41:52,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:41:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:41:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:41:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:41:52,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:41:52,601 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:41:52,603 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:41:53,610 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:41:53,619 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:41:53,620 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 22:41:53,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:41:53 BoogieIcfgContainer [2021-12-06 22:41:53,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:41:53,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:41:53,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:41:53,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:41:53,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:41:51" (1/3) ... [2021-12-06 22:41:53,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469df4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:41:53, skipping insertion in model container [2021-12-06 22:41:53,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:41:52" (2/3) ... [2021-12-06 22:41:53,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469df4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:41:53, skipping insertion in model container [2021-12-06 22:41:53,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:41:53" (3/3) ... [2021-12-06 22:41:53,628 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label26.c [2021-12-06 22:41:53,632 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:41:53,633 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:41:53,669 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:41:53,674 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 [2021-12-06 22:41:53,675 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:41:53,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:53,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-06 22:41:53,697 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:41:53,697 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] [2021-12-06 22:41:53,698 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:41:53,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:41:53,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1453294289, now seen corresponding path program 1 times [2021-12-06 22:41:53,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:41:53,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688995381] [2021-12-06 22:41:53,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:41:53,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:41:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:41:53,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:41:53,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:41:53,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688995381] [2021-12-06 22:41:53,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688995381] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:41:53,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:41:53,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:41:53,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476243936] [2021-12-06 22:41:53,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:41:53,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:41:53,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:41:53,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:41:53,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:41:53,912 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 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 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:54,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:41:54,708 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-12-06 22:41:54,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:41:54,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2021-12-06 22:41:54,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:41:54,720 INFO L225 Difference]: With dead ends: 776 [2021-12-06 22:41:54,720 INFO L226 Difference]: Without dead ends: 413 [2021-12-06 22:41:54,723 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 [2021-12-06 22:41:54,726 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 188 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 22:41:54,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 22:41:54,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-06 22:41:54,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-12-06 22:41:54,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:54,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-12-06 22:41:54,772 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 39 [2021-12-06 22:41:54,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:41:54,772 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-12-06 22:41:54,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:54,773 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-12-06 22:41:54,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-06 22:41:54,777 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:41:54,777 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:41:54,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:41:54,778 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:41:54,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:41:54,779 INFO L85 PathProgramCache]: Analyzing trace with hash 142001080, now seen corresponding path program 1 times [2021-12-06 22:41:54,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:41:54,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279045930] [2021-12-06 22:41:54,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:41:54,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:41:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:41:54,902 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:41:54,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:41:54,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279045930] [2021-12-06 22:41:54,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279045930] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:41:54,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:41:54,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:41:54,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84924763] [2021-12-06 22:41:54,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:41:54,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:41:54,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:41:54,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:41:54,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:41:54,907 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:55,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:41:55,465 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-12-06 22:41:55,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:41:55,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2021-12-06 22:41:55,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:41:55,470 INFO L225 Difference]: With dead ends: 1209 [2021-12-06 22:41:55,470 INFO L226 Difference]: Without dead ends: 800 [2021-12-06 22:41:55,471 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 [2021-12-06 22:41:55,472 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:41:55,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 122 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:41:55,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-12-06 22:41:55,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-12-06 22:41:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3842239185750635) internal successors, (1088), 786 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1088 transitions. [2021-12-06 22:41:55,497 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1088 transitions. Word has length 107 [2021-12-06 22:41:55,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:41:55,498 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1088 transitions. [2021-12-06 22:41:55,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:55,498 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1088 transitions. [2021-12-06 22:41:55,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-12-06 22:41:55,500 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:41:55,500 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:41:55,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:41:55,500 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:41:55,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:41:55,501 INFO L85 PathProgramCache]: Analyzing trace with hash 412464125, now seen corresponding path program 1 times [2021-12-06 22:41:55,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:41:55,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364466587] [2021-12-06 22:41:55,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:41:55,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:41:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:41:55,614 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:41:55,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:41:55,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364466587] [2021-12-06 22:41:55,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364466587] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:41:55,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:41:55,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:41:55,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651537206] [2021-12-06 22:41:55,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:41:55,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:41:55,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:41:55,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:41:55,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:41:55,616 INFO L87 Difference]: Start difference. First operand 787 states and 1088 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:56,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:41:56,130 INFO L93 Difference]: Finished difference Result 1942 states and 2629 transitions. [2021-12-06 22:41:56,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:41:56,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2021-12-06 22:41:56,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:41:56,135 INFO L225 Difference]: With dead ends: 1942 [2021-12-06 22:41:56,135 INFO L226 Difference]: Without dead ends: 1157 [2021-12-06 22:41:56,136 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 [2021-12-06 22:41:56,137 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:41:56,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:41:56,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-12-06 22:41:56,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2021-12-06 22:41:56,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277056277056277) internal successors, (1475), 1155 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:56,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1475 transitions. [2021-12-06 22:41:56,159 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1475 transitions. Word has length 109 [2021-12-06 22:41:56,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:41:56,159 INFO L470 AbstractCegarLoop]: Abstraction has 1156 states and 1475 transitions. [2021-12-06 22:41:56,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:56,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1475 transitions. [2021-12-06 22:41:56,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-06 22:41:56,161 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:41:56,161 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:41:56,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:41:56,162 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:41:56,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:41:56,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1192776204, now seen corresponding path program 1 times [2021-12-06 22:41:56,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:41:56,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625686818] [2021-12-06 22:41:56,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:41:56,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:41:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:41:56,246 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-12-06 22:41:56,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:41:56,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625686818] [2021-12-06 22:41:56,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625686818] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:41:56,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:41:56,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:41:56,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224279835] [2021-12-06 22:41:56,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:41:56,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:41:56,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:41:56,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:41:56,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:41:56,249 INFO L87 Difference]: Start difference. First operand 1156 states and 1475 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:56,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:41:56,822 INFO L93 Difference]: Finished difference Result 2502 states and 3336 transitions. [2021-12-06 22:41:56,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:41:56,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 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 151 [2021-12-06 22:41:56,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:41:56,831 INFO L225 Difference]: With dead ends: 2502 [2021-12-06 22:41:56,832 INFO L226 Difference]: Without dead ends: 1532 [2021-12-06 22:41:56,833 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 [2021-12-06 22:41:56,835 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 108 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:41:56,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 156 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:41:56,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2021-12-06 22:41:56,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2021-12-06 22:41:56,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.2612671456564337) internal successors, (1931), 1531 states have internal predecessors, (1931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:56,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1931 transitions. [2021-12-06 22:41:56,861 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1931 transitions. Word has length 151 [2021-12-06 22:41:56,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:41:56,862 INFO L470 AbstractCegarLoop]: Abstraction has 1532 states and 1931 transitions. [2021-12-06 22:41:56,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:56,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1931 transitions. [2021-12-06 22:41:56,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-12-06 22:41:56,863 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:41:56,864 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:41:56,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 22:41:56,864 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:41:56,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:41:56,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1825758429, now seen corresponding path program 1 times [2021-12-06 22:41:56,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:41:56,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965452687] [2021-12-06 22:41:56,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:41:56,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:41:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:41:56,933 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:41:56,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:41:56,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965452687] [2021-12-06 22:41:56,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965452687] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:41:56,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:41:56,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:41:56,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951873063] [2021-12-06 22:41:56,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:41:56,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:41:56,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:41:56,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:41:56,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:41:56,935 INFO L87 Difference]: Start difference. First operand 1532 states and 1931 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:57,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:41:57,485 INFO L93 Difference]: Finished difference Result 3644 states and 4735 transitions. [2021-12-06 22:41:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:41:57,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2021-12-06 22:41:57,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:41:57,495 INFO L225 Difference]: With dead ends: 3644 [2021-12-06 22:41:57,495 INFO L226 Difference]: Without dead ends: 2298 [2021-12-06 22:41:57,496 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 [2021-12-06 22:41:57,497 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 196 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:41:57,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:41:57,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2021-12-06 22:41:57,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 2295. [2021-12-06 22:41:57,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 2294 states have (on average 1.2650392327811684) internal successors, (2902), 2294 states have internal predecessors, (2902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:57,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 2902 transitions. [2021-12-06 22:41:57,533 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 2902 transitions. Word has length 166 [2021-12-06 22:41:57,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:41:57,534 INFO L470 AbstractCegarLoop]: Abstraction has 2295 states and 2902 transitions. [2021-12-06 22:41:57,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:57,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2902 transitions. [2021-12-06 22:41:57,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-12-06 22:41:57,537 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:41:57,537 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 22:41:57,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 22:41:57,538 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:41:57,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:41:57,538 INFO L85 PathProgramCache]: Analyzing trace with hash -890036000, now seen corresponding path program 1 times [2021-12-06 22:41:57,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:41:57,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597606384] [2021-12-06 22:41:57,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:41:57,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:41:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:41:57,622 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-06 22:41:57,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:41:57,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597606384] [2021-12-06 22:41:57,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597606384] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:41:57,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:41:57,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:41:57,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431832248] [2021-12-06 22:41:57,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:41:57,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:41:57,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:41:57,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:41:57,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:41:57,624 INFO L87 Difference]: Start difference. First operand 2295 states and 2902 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:58,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:41:58,259 INFO L93 Difference]: Finished difference Result 5509 states and 7126 transitions. [2021-12-06 22:41:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:41:58,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2021-12-06 22:41:58,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:41:58,273 INFO L225 Difference]: With dead ends: 5509 [2021-12-06 22:41:58,273 INFO L226 Difference]: Without dead ends: 3400 [2021-12-06 22:41:58,276 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 [2021-12-06 22:41:58,277 INFO L933 BasicCegarLoop]: 322 mSDtfsCounter, 168 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 22:41:58,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 347 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 22:41:58,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3400 states. [2021-12-06 22:41:58,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3400 to 3400. [2021-12-06 22:41:58,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3400 states, 3399 states have (on average 1.2350691379817593) internal successors, (4198), 3399 states have internal predecessors, (4198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:58,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3400 states to 3400 states and 4198 transitions. [2021-12-06 22:41:58,345 INFO L78 Accepts]: Start accepts. Automaton has 3400 states and 4198 transitions. Word has length 221 [2021-12-06 22:41:58,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:41:58,345 INFO L470 AbstractCegarLoop]: Abstraction has 3400 states and 4198 transitions. [2021-12-06 22:41:58,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:58,346 INFO L276 IsEmpty]: Start isEmpty. Operand 3400 states and 4198 transitions. [2021-12-06 22:41:58,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-12-06 22:41:58,349 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:41:58,350 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:41:58,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 22:41:58,350 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:41:58,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:41:58,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1786639215, now seen corresponding path program 1 times [2021-12-06 22:41:58,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:41:58,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323720639] [2021-12-06 22:41:58,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:41:58,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:41:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:41:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-06 22:41:58,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:41:58,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323720639] [2021-12-06 22:41:58,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323720639] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:41:58,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:41:58,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:41:58,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677953107] [2021-12-06 22:41:58,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:41:58,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:41:58,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:41:58,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:41:58,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:41:58,454 INFO L87 Difference]: Start difference. First operand 3400 states and 4198 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:59,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:41:59,000 INFO L93 Difference]: Finished difference Result 7913 states and 9909 transitions. [2021-12-06 22:41:59,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:41:59,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 227 [2021-12-06 22:41:59,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:41:59,022 INFO L225 Difference]: With dead ends: 7913 [2021-12-06 22:41:59,022 INFO L226 Difference]: Without dead ends: 4699 [2021-12-06 22:41:59,026 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 [2021-12-06 22:41:59,027 INFO L933 BasicCegarLoop]: 362 mSDtfsCounter, 157 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:41:59,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 384 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:41:59,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4699 states. [2021-12-06 22:41:59,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4699 to 4689. [2021-12-06 22:41:59,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4689 states, 4688 states have (on average 1.2137372013651877) internal successors, (5690), 4688 states have internal predecessors, (5690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:59,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4689 states to 4689 states and 5690 transitions. [2021-12-06 22:41:59,098 INFO L78 Accepts]: Start accepts. Automaton has 4689 states and 5690 transitions. Word has length 227 [2021-12-06 22:41:59,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:41:59,099 INFO L470 AbstractCegarLoop]: Abstraction has 4689 states and 5690 transitions. [2021-12-06 22:41:59,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:59,099 INFO L276 IsEmpty]: Start isEmpty. Operand 4689 states and 5690 transitions. [2021-12-06 22:41:59,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-12-06 22:41:59,105 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:41:59,105 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, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:41:59,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 22:41:59,105 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:41:59,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:41:59,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1830859079, now seen corresponding path program 1 times [2021-12-06 22:41:59,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:41:59,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555058793] [2021-12-06 22:41:59,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:41:59,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:41:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:41:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-06 22:41:59,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:41:59,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555058793] [2021-12-06 22:41:59,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555058793] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:41:59,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:41:59,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:41:59,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234287905] [2021-12-06 22:41:59,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:41:59,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:41:59,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:41:59,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:41:59,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:41:59,209 INFO L87 Difference]: Start difference. First operand 4689 states and 5690 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:59,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:41:59,787 INFO L93 Difference]: Finished difference Result 10682 states and 13136 transitions. [2021-12-06 22:41:59,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:41:59,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 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 298 [2021-12-06 22:41:59,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:41:59,809 INFO L225 Difference]: With dead ends: 10682 [2021-12-06 22:41:59,809 INFO L226 Difference]: Without dead ends: 6179 [2021-12-06 22:41:59,813 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 [2021-12-06 22:41:59,814 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 135 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:41:59,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 344 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:41:59,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6179 states. [2021-12-06 22:41:59,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6179 to 5978. [2021-12-06 22:41:59,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5978 states, 5977 states have (on average 1.2007696168646478) internal successors, (7177), 5977 states have internal predecessors, (7177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:59,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5978 states to 5978 states and 7177 transitions. [2021-12-06 22:41:59,906 INFO L78 Accepts]: Start accepts. Automaton has 5978 states and 7177 transitions. Word has length 298 [2021-12-06 22:41:59,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:41:59,906 INFO L470 AbstractCegarLoop]: Abstraction has 5978 states and 7177 transitions. [2021-12-06 22:41:59,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:41:59,907 INFO L276 IsEmpty]: Start isEmpty. Operand 5978 states and 7177 transitions. [2021-12-06 22:41:59,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-06 22:41:59,913 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:41:59,913 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:41:59,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 22:41:59,913 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:41:59,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:41:59,913 INFO L85 PathProgramCache]: Analyzing trace with hash 719890930, now seen corresponding path program 1 times [2021-12-06 22:41:59,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:41:59,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017762421] [2021-12-06 22:41:59,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:41:59,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:41:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:42:00,007 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-12-06 22:42:00,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:42:00,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017762421] [2021-12-06 22:42:00,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017762421] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:42:00,007 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:42:00,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:42:00,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448903458] [2021-12-06 22:42:00,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:42:00,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:42:00,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:42:00,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:42:00,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:42:00,009 INFO L87 Difference]: Start difference. First operand 5978 states and 7177 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:00,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:42:00,463 INFO L93 Difference]: Finished difference Result 11739 states and 14076 transitions. [2021-12-06 22:42:00,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:42:00,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 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 301 [2021-12-06 22:42:00,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:42:00,483 INFO L225 Difference]: With dead ends: 11739 [2021-12-06 22:42:00,483 INFO L226 Difference]: Without dead ends: 5763 [2021-12-06 22:42:00,487 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 [2021-12-06 22:42:00,487 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 159 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 22:42:00,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 151 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 22:42:00,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5763 states. [2021-12-06 22:42:00,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5763 to 5578. [2021-12-06 22:42:00,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5578 states, 5577 states have (on average 1.1468531468531469) internal successors, (6396), 5577 states have internal predecessors, (6396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:00,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5578 states to 5578 states and 6396 transitions. [2021-12-06 22:42:00,557 INFO L78 Accepts]: Start accepts. Automaton has 5578 states and 6396 transitions. Word has length 301 [2021-12-06 22:42:00,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:42:00,557 INFO L470 AbstractCegarLoop]: Abstraction has 5578 states and 6396 transitions. [2021-12-06 22:42:00,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:00,558 INFO L276 IsEmpty]: Start isEmpty. Operand 5578 states and 6396 transitions. [2021-12-06 22:42:00,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2021-12-06 22:42:00,566 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:42:00,566 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 22:42:00,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 22:42:00,567 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:42:00,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:42:00,567 INFO L85 PathProgramCache]: Analyzing trace with hash 142462327, now seen corresponding path program 1 times [2021-12-06 22:42:00,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:42:00,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405732934] [2021-12-06 22:42:00,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:42:00,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:42:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:42:00,716 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-12-06 22:42:00,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:42:00,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405732934] [2021-12-06 22:42:00,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405732934] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:42:00,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:42:00,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:42:00,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887339687] [2021-12-06 22:42:00,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:42:00,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:42:00,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:42:00,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:42:00,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:42:00,718 INFO L87 Difference]: Start difference. First operand 5578 states and 6396 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:01,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:42:01,034 INFO L93 Difference]: Finished difference Result 11150 states and 12786 transitions. [2021-12-06 22:42:01,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:42:01,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 379 [2021-12-06 22:42:01,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:42:01,051 INFO L225 Difference]: With dead ends: 11150 [2021-12-06 22:42:01,051 INFO L226 Difference]: Without dead ends: 5574 [2021-12-06 22:42:01,055 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 [2021-12-06 22:42:01,055 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 216 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 22:42:01,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 39 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 22:42:01,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5574 states. [2021-12-06 22:42:01,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5574 to 5574. [2021-12-06 22:42:01,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5574 states, 5573 states have (on average 1.1462408038758298) internal successors, (6388), 5573 states have internal predecessors, (6388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:01,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5574 states to 5574 states and 6388 transitions. [2021-12-06 22:42:01,110 INFO L78 Accepts]: Start accepts. Automaton has 5574 states and 6388 transitions. Word has length 379 [2021-12-06 22:42:01,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:42:01,110 INFO L470 AbstractCegarLoop]: Abstraction has 5574 states and 6388 transitions. [2021-12-06 22:42:01,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:01,111 INFO L276 IsEmpty]: Start isEmpty. Operand 5574 states and 6388 transitions. [2021-12-06 22:42:01,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2021-12-06 22:42:01,117 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:42:01,117 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:42:01,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 22:42:01,118 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:42:01,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:42:01,118 INFO L85 PathProgramCache]: Analyzing trace with hash -180803510, now seen corresponding path program 1 times [2021-12-06 22:42:01,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:42:01,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218164747] [2021-12-06 22:42:01,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:42:01,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:42:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:42:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-12-06 22:42:01,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:42:01,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218164747] [2021-12-06 22:42:01,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218164747] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:42:01,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:42:01,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:42:01,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916118881] [2021-12-06 22:42:01,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:42:01,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:42:01,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:42:01,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:42:01,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:42:01,246 INFO L87 Difference]: Start difference. First operand 5574 states and 6388 transitions. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:01,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:42:01,763 INFO L93 Difference]: Finished difference Result 12632 states and 14466 transitions. [2021-12-06 22:42:01,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:42:01,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 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 411 [2021-12-06 22:42:01,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:42:01,781 INFO L225 Difference]: With dead ends: 12632 [2021-12-06 22:42:01,781 INFO L226 Difference]: Without dead ends: 7060 [2021-12-06 22:42:01,785 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 [2021-12-06 22:42:01,786 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 67 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:42:01,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 179 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:42:01,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7060 states. [2021-12-06 22:42:01,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7060 to 6862. [2021-12-06 22:42:01,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6862 states, 6861 states have (on average 1.1380265267453724) internal successors, (7808), 6861 states have internal predecessors, (7808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:01,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6862 states to 6862 states and 7808 transitions. [2021-12-06 22:42:01,850 INFO L78 Accepts]: Start accepts. Automaton has 6862 states and 7808 transitions. Word has length 411 [2021-12-06 22:42:01,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:42:01,851 INFO L470 AbstractCegarLoop]: Abstraction has 6862 states and 7808 transitions. [2021-12-06 22:42:01,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:01,851 INFO L276 IsEmpty]: Start isEmpty. Operand 6862 states and 7808 transitions. [2021-12-06 22:42:01,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2021-12-06 22:42:01,859 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:42:01,860 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 22:42:01,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 22:42:01,860 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:42:01,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:42:01,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1611250862, now seen corresponding path program 1 times [2021-12-06 22:42:01,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:42:01,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682852116] [2021-12-06 22:42:01,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:42:01,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:42:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:42:02,017 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 563 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-12-06 22:42:02,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:42:02,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682852116] [2021-12-06 22:42:02,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682852116] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:42:02,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:42:02,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:42:02,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043413553] [2021-12-06 22:42:02,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:42:02,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:42:02,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:42:02,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:42:02,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:42:02,019 INFO L87 Difference]: Start difference. First operand 6862 states and 7808 transitions. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:02,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:42:02,594 INFO L93 Difference]: Finished difference Result 15929 states and 18169 transitions. [2021-12-06 22:42:02,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:42:02,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 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 463 [2021-12-06 22:42:02,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:42:02,605 INFO L225 Difference]: With dead ends: 15929 [2021-12-06 22:42:02,605 INFO L226 Difference]: Without dead ends: 8517 [2021-12-06 22:42:02,610 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 [2021-12-06 22:42:02,611 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 64 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:42:02,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 351 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:42:02,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8517 states. [2021-12-06 22:42:02,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8517 to 8333. [2021-12-06 22:42:02,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8333 states, 8332 states have (on average 1.1331012962073932) internal successors, (9441), 8332 states have internal predecessors, (9441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:02,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8333 states to 8333 states and 9441 transitions. [2021-12-06 22:42:02,710 INFO L78 Accepts]: Start accepts. Automaton has 8333 states and 9441 transitions. Word has length 463 [2021-12-06 22:42:02,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:42:02,710 INFO L470 AbstractCegarLoop]: Abstraction has 8333 states and 9441 transitions. [2021-12-06 22:42:02,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:02,711 INFO L276 IsEmpty]: Start isEmpty. Operand 8333 states and 9441 transitions. [2021-12-06 22:42:02,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2021-12-06 22:42:02,720 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:42:02,720 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-12-06 22:42:02,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 22:42:02,721 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:42:02,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:42:02,721 INFO L85 PathProgramCache]: Analyzing trace with hash -2033522650, now seen corresponding path program 1 times [2021-12-06 22:42:02,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:42:02,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535438009] [2021-12-06 22:42:02,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:42:02,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:42:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:42:02,839 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 540 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2021-12-06 22:42:02,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:42:02,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535438009] [2021-12-06 22:42:02,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535438009] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:42:02,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:42:02,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:42:02,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36437037] [2021-12-06 22:42:02,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:42:02,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:42:02,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:42:02,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:42:02,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:42:02,841 INFO L87 Difference]: Start difference. First operand 8333 states and 9441 transitions. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:03,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:42:03,396 INFO L93 Difference]: Finished difference Result 19072 states and 21665 transitions. [2021-12-06 22:42:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:42:03,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 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 499 [2021-12-06 22:42:03,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:42:03,409 INFO L225 Difference]: With dead ends: 19072 [2021-12-06 22:42:03,409 INFO L226 Difference]: Without dead ends: 10741 [2021-12-06 22:42:03,415 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 [2021-12-06 22:42:03,416 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 139 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:42:03,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 134 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:42:03,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10741 states. [2021-12-06 22:42:03,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10741 to 10553. [2021-12-06 22:42:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10553 states, 10552 states have (on average 1.1254738438210765) internal successors, (11876), 10552 states have internal predecessors, (11876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:03,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10553 states to 10553 states and 11876 transitions. [2021-12-06 22:42:03,553 INFO L78 Accepts]: Start accepts. Automaton has 10553 states and 11876 transitions. Word has length 499 [2021-12-06 22:42:03,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:42:03,553 INFO L470 AbstractCegarLoop]: Abstraction has 10553 states and 11876 transitions. [2021-12-06 22:42:03,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 10553 states and 11876 transitions. [2021-12-06 22:42:03,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2021-12-06 22:42:03,565 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:42:03,566 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-12-06 22:42:03,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 22:42:03,566 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:42:03,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:42:03,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1343348106, now seen corresponding path program 1 times [2021-12-06 22:42:03,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:42:03,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663187678] [2021-12-06 22:42:03,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:42:03,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:42:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:42:03,678 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 573 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-12-06 22:42:03,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:42:03,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663187678] [2021-12-06 22:42:03,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663187678] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:42:03,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:42:03,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:42:03,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141779992] [2021-12-06 22:42:03,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:42:03,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:42:03,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:42:03,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:42:03,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:42:03,680 INFO L87 Difference]: Start difference. First operand 10553 states and 11876 transitions. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:04,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:42:04,238 INFO L93 Difference]: Finished difference Result 24419 states and 27484 transitions. [2021-12-06 22:42:04,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:42:04,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 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 503 [2021-12-06 22:42:04,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:42:04,250 INFO L225 Difference]: With dead ends: 24419 [2021-12-06 22:42:04,250 INFO L226 Difference]: Without dead ends: 13868 [2021-12-06 22:42:04,257 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 [2021-12-06 22:42:04,258 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 125 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:42:04,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 79 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:42:04,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13868 states. [2021-12-06 22:42:04,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13868 to 13121. [2021-12-06 22:42:04,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13121 states, 13120 states have (on average 1.118216463414634) internal successors, (14671), 13120 states have internal predecessors, (14671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:04,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13121 states to 13121 states and 14671 transitions. [2021-12-06 22:42:04,398 INFO L78 Accepts]: Start accepts. Automaton has 13121 states and 14671 transitions. Word has length 503 [2021-12-06 22:42:04,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:42:04,398 INFO L470 AbstractCegarLoop]: Abstraction has 13121 states and 14671 transitions. [2021-12-06 22:42:04,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:04,398 INFO L276 IsEmpty]: Start isEmpty. Operand 13121 states and 14671 transitions. [2021-12-06 22:42:04,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2021-12-06 22:42:04,410 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:42:04,411 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:42:04,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 22:42:04,411 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:42:04,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:42:04,411 INFO L85 PathProgramCache]: Analyzing trace with hash 101919231, now seen corresponding path program 1 times [2021-12-06 22:42:04,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:42:04,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480525106] [2021-12-06 22:42:04,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:42:04,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:42:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:42:04,580 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 228 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-12-06 22:42:04,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:42:04,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480525106] [2021-12-06 22:42:04,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480525106] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:42:04,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428398618] [2021-12-06 22:42:04,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:42:04,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:42:04,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:42:04,582 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:42:04,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 22:42:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:42:04,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:42:04,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:42:05,296 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2021-12-06 22:42:05,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:42:05,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428398618] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:42:05,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:42:05,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-06 22:42:05,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40431850] [2021-12-06 22:42:05,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:42:05,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:42:05,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:42:05,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:42:05,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:42:05,300 INFO L87 Difference]: Start difference. First operand 13121 states and 14671 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:05,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:42:05,898 INFO L93 Difference]: Finished difference Result 15147 states and 16897 transitions. [2021-12-06 22:42:05,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:42:05,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 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 509 [2021-12-06 22:42:05,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:42:05,908 INFO L225 Difference]: With dead ends: 15147 [2021-12-06 22:42:05,908 INFO L226 Difference]: Without dead ends: 15145 [2021-12-06 22:42:05,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:42:05,911 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 182 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:42:05,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 137 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:42:05,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15145 states. [2021-12-06 22:42:06,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15145 to 13121. [2021-12-06 22:42:06,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13121 states, 13120 states have (on average 1.118140243902439) internal successors, (14670), 13120 states have internal predecessors, (14670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:06,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13121 states to 13121 states and 14670 transitions. [2021-12-06 22:42:06,049 INFO L78 Accepts]: Start accepts. Automaton has 13121 states and 14670 transitions. Word has length 509 [2021-12-06 22:42:06,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:42:06,050 INFO L470 AbstractCegarLoop]: Abstraction has 13121 states and 14670 transitions. [2021-12-06 22:42:06,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:06,050 INFO L276 IsEmpty]: Start isEmpty. Operand 13121 states and 14670 transitions. [2021-12-06 22:42:06,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2021-12-06 22:42:06,078 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:42:06,079 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:42:06,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:42:06,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-06 22:42:06,281 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:42:06,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:42:06,283 INFO L85 PathProgramCache]: Analyzing trace with hash -465150684, now seen corresponding path program 1 times [2021-12-06 22:42:06,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:42:06,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141543653] [2021-12-06 22:42:06,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:42:06,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:42:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:42:06,461 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2021-12-06 22:42:06,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:42:06,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141543653] [2021-12-06 22:42:06,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141543653] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:42:06,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:42:06,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:42:06,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340605814] [2021-12-06 22:42:06,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:42:06,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:42:06,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:42:06,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:42:06,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:42:06,464 INFO L87 Difference]: Start difference. First operand 13121 states and 14670 transitions. Second operand has 4 states, 4 states have (on average 97.5) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:07,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:42:07,369 INFO L93 Difference]: Finished difference Result 34169 states and 37973 transitions. [2021-12-06 22:42:07,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:42:07,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 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 575 [2021-12-06 22:42:07,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:42:07,383 INFO L225 Difference]: With dead ends: 34169 [2021-12-06 22:42:07,383 INFO L226 Difference]: Without dead ends: 21050 [2021-12-06 22:42:07,391 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 [2021-12-06 22:42:07,392 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 157 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 22:42:07,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 72 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1145 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 22:42:07,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21050 states. [2021-12-06 22:42:07,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21050 to 19571. [2021-12-06 22:42:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19571 states, 19570 states have (on average 1.1077669902912621) internal successors, (21679), 19570 states have internal predecessors, (21679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:07,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19571 states to 19571 states and 21679 transitions. [2021-12-06 22:42:07,602 INFO L78 Accepts]: Start accepts. Automaton has 19571 states and 21679 transitions. Word has length 575 [2021-12-06 22:42:07,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:42:07,602 INFO L470 AbstractCegarLoop]: Abstraction has 19571 states and 21679 transitions. [2021-12-06 22:42:07,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:07,602 INFO L276 IsEmpty]: Start isEmpty. Operand 19571 states and 21679 transitions. [2021-12-06 22:42:07,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2021-12-06 22:42:07,615 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:42:07,616 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 22:42:07,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 22:42:07,616 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:42:07,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:42:07,617 INFO L85 PathProgramCache]: Analyzing trace with hash -2090442296, now seen corresponding path program 1 times [2021-12-06 22:42:07,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:42:07,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010567182] [2021-12-06 22:42:07,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:42:07,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:42:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:42:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 527 proven. 0 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2021-12-06 22:42:07,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:42:07,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010567182] [2021-12-06 22:42:07,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010567182] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:42:07,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:42:07,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:42:07,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101750182] [2021-12-06 22:42:07,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:42:07,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:42:07,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:42:07,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:42:07,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:42:07,791 INFO L87 Difference]: Start difference. First operand 19571 states and 21679 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:08,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:42:08,335 INFO L93 Difference]: Finished difference Result 39320 states and 43587 transitions. [2021-12-06 22:42:08,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:42:08,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 626 [2021-12-06 22:42:08,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:42:08,370 INFO L225 Difference]: With dead ends: 39320 [2021-12-06 22:42:08,371 INFO L226 Difference]: Without dead ends: 22331 [2021-12-06 22:42:08,375 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 [2021-12-06 22:42:08,376 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 146 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:42:08,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 112 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:42:08,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22331 states. [2021-12-06 22:42:08,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22331 to 19939. [2021-12-06 22:42:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19939 states, 19938 states have (on average 1.1019660948941719) internal successors, (21971), 19938 states have internal predecessors, (21971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:08,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19939 states to 19939 states and 21971 transitions. [2021-12-06 22:42:08,567 INFO L78 Accepts]: Start accepts. Automaton has 19939 states and 21971 transitions. Word has length 626 [2021-12-06 22:42:08,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:42:08,567 INFO L470 AbstractCegarLoop]: Abstraction has 19939 states and 21971 transitions. [2021-12-06 22:42:08,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:08,567 INFO L276 IsEmpty]: Start isEmpty. Operand 19939 states and 21971 transitions. [2021-12-06 22:42:08,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2021-12-06 22:42:08,580 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:42:08,581 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:42:08,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 22:42:08,581 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:42:08,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:42:08,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1352424580, now seen corresponding path program 1 times [2021-12-06 22:42:08,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:42:08,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930013830] [2021-12-06 22:42:08,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:42:08,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:42:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:42:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 527 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2021-12-06 22:42:08,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:42:08,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930013830] [2021-12-06 22:42:08,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930013830] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:42:08,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:42:08,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:42:08,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234249058] [2021-12-06 22:42:08,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:42:08,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:42:08,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:42:08,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:42:08,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:42:08,774 INFO L87 Difference]: Start difference. First operand 19939 states and 21971 transitions. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:09,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:42:09,350 INFO L93 Difference]: Finished difference Result 40795 states and 44946 transitions. [2021-12-06 22:42:09,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:42:09,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 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 659 [2021-12-06 22:42:09,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:42:09,366 INFO L225 Difference]: With dead ends: 40795 [2021-12-06 22:42:09,366 INFO L226 Difference]: Without dead ends: 21226 [2021-12-06 22:42:09,374 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 [2021-12-06 22:42:09,375 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 115 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:42:09,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 137 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:42:09,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21226 states. [2021-12-06 22:42:09,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21226 to 19193. [2021-12-06 22:42:09,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19193 states, 19192 states have (on average 1.0982180075031263) internal successors, (21077), 19192 states have internal predecessors, (21077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:09,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19193 states to 19193 states and 21077 transitions. [2021-12-06 22:42:09,570 INFO L78 Accepts]: Start accepts. Automaton has 19193 states and 21077 transitions. Word has length 659 [2021-12-06 22:42:09,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:42:09,570 INFO L470 AbstractCegarLoop]: Abstraction has 19193 states and 21077 transitions. [2021-12-06 22:42:09,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:09,571 INFO L276 IsEmpty]: Start isEmpty. Operand 19193 states and 21077 transitions. [2021-12-06 22:42:09,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2021-12-06 22:42:09,613 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:42:09,614 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2021-12-06 22:42:09,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 22:42:09,614 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:42:09,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:42:09,614 INFO L85 PathProgramCache]: Analyzing trace with hash -58290927, now seen corresponding path program 1 times [2021-12-06 22:42:09,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:42:09,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627310854] [2021-12-06 22:42:09,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:42:09,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:42:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:42:09,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1633 backedges. 1039 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2021-12-06 22:42:09,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:42:09,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627310854] [2021-12-06 22:42:09,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627310854] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:42:09,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:42:09,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:42:09,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627470991] [2021-12-06 22:42:09,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:42:09,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:42:09,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:42:09,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:42:09,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:42:09,786 INFO L87 Difference]: Start difference. First operand 19193 states and 21077 transitions. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:10,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:42:10,373 INFO L93 Difference]: Finished difference Result 36909 states and 40477 transitions. [2021-12-06 22:42:10,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:42:10,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 708 [2021-12-06 22:42:10,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:42:10,374 INFO L225 Difference]: With dead ends: 36909 [2021-12-06 22:42:10,375 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 22:42:10,383 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 [2021-12-06 22:42:10,383 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 46 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:42:10,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 338 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:42:10,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 22:42:10,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 22:42:10,384 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) [2021-12-06 22:42:10,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 22:42:10,384 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 708 [2021-12-06 22:42:10,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:42:10,385 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 22:42:10,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:42:10,385 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 22:42:10,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 22:42:10,387 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 22:42:10,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 22:42:10,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 22:42:13,512 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-06 22:42:13,512 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,512 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-06 22:42:13,512 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,512 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,512 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,512 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,512 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,512 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,513 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-06 22:42:13,513 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-06 22:42:13,513 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-06 22:42:13,513 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,513 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,513 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,513 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,513 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,513 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,513 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,513 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,514 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,514 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,514 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-06 22:42:13,514 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-06 22:42:13,514 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-06 22:42:13,514 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,514 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-06 22:42:13,514 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-06 22:42:13,514 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,514 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,515 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,515 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,515 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,515 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,515 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-06 22:42:13,515 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-06 22:42:13,515 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-06 22:42:13,515 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,515 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,515 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,516 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse15 (+ ~a23~0 43))) (let ((.cse5 (= ~a25~0 12)) (.cse0 (< 0 (+ (div (+ ~a23~0 (- 139)) 83) 1))) (.cse14 (<= .cse15 0)) (.cse11 (<= ~a29~0 130)) (.cse10 (= ~a25~0 13)) (.cse7 (<= ~a29~0 274)) (.cse3 (= ~a4~0 1)) (.cse1 (= ~a25~0 11)) (.cse8 (<= 246 ~a29~0)) (.cse12 (<= ~a29~0 140)) (.cse6 (= ~a4~0 0)) (.cse9 (< 0 .cse15)) (.cse13 (<= ~a25~0 10)) (.cse2 (<= ~a8~0 15)) (.cse4 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2) (and .cse1 .cse7 .cse2 .cse3 .cse8) (and .cse1 .cse9 .cse2 .cse3 .cse8) (and .cse10 .cse6 .cse9 .cse2 .cse4) (and .cse10 .cse0 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse11) (and .cse12 .cse6 .cse1 .cse2 .cse4) (and .cse13 .cse2 .cse3) (and .cse6 .cse2 (= ~a25~0 10) .cse11) (and .cse1 .cse2 (<= ~a29~0 220) .cse3 (<= 312 ~a23~0)) (and .cse5 .cse0 .cse2 .cse3) (and .cse14 .cse6 .cse13 .cse2 .cse8) (and .cse14 .cse6 .cse13 .cse2 .cse11) (and .cse10 .cse7 .cse2 .cse3) (and .cse6 .cse1 .cse2 .cse4 .cse8) (and .cse12 .cse6 .cse9 .cse13 .cse2 .cse4)))) [2021-12-06 22:42:13,516 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,516 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-06 22:42:13,516 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-06 22:42:13,516 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,516 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,516 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,516 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,516 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,516 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,517 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-06 22:42:13,517 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-06 22:42:13,517 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-06 22:42:13,517 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-06 22:42:13,517 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,517 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,517 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,517 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,517 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,517 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,517 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,517 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-06 22:42:13,517 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-06 22:42:13,517 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-06 22:42:13,517 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,517 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,517 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,518 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,518 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,518 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,518 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,518 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,518 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,518 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-06 22:42:13,518 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-06 22:42:13,518 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-06 22:42:13,518 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,518 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse15 (+ ~a23~0 43))) (let ((.cse5 (= ~a25~0 12)) (.cse0 (< 0 (+ (div (+ ~a23~0 (- 139)) 83) 1))) (.cse14 (<= .cse15 0)) (.cse11 (<= ~a29~0 130)) (.cse10 (= ~a25~0 13)) (.cse7 (<= ~a29~0 274)) (.cse3 (= ~a4~0 1)) (.cse1 (= ~a25~0 11)) (.cse8 (<= 246 ~a29~0)) (.cse12 (<= ~a29~0 140)) (.cse6 (= ~a4~0 0)) (.cse9 (< 0 .cse15)) (.cse13 (<= ~a25~0 10)) (.cse2 (<= ~a8~0 15)) (.cse4 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2) (and .cse1 .cse7 .cse2 .cse3 .cse8) (and .cse1 .cse9 .cse2 .cse3 .cse8) (and .cse10 .cse6 .cse9 .cse2 .cse4) (and .cse10 .cse0 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse11) (and .cse12 .cse6 .cse1 .cse2 .cse4) (and .cse13 .cse2 .cse3) (and .cse6 .cse2 (= ~a25~0 10) .cse11) (and .cse1 .cse2 (<= ~a29~0 220) .cse3 (<= 312 ~a23~0)) (and .cse5 .cse0 .cse2 .cse3) (and .cse14 .cse6 .cse13 .cse2 .cse8) (and .cse14 .cse6 .cse13 .cse2 .cse11) (and .cse10 .cse7 .cse2 .cse3) (and .cse6 .cse1 .cse2 .cse4 .cse8) (and .cse12 .cse6 .cse9 .cse13 .cse2 .cse4)))) [2021-12-06 22:42:13,518 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,518 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,518 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,518 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,518 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,518 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,519 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,520 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2021-12-06 22:42:13,521 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,522 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,522 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,522 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,522 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,522 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,522 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,522 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-06 22:42:13,522 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-06 22:42:13,522 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-06 22:42:13,522 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-06 22:42:13,522 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-06 22:42:13,522 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-06 22:42:13,522 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-06 22:42:13,522 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,522 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,522 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-06 22:42:13,523 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,524 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-06 22:42:13,525 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 22:42:13,526 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,527 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,527 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,527 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,527 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,527 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-06 22:42:13,527 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-06 22:42:13,527 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-06 22:42:13,527 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-06 22:42:13,527 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,527 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,527 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,527 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,527 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,527 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,527 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,527 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,527 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-06 22:42:13,528 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-06 22:42:13,528 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-06 22:42:13,528 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-06 22:42:13,528 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-06 22:42:13,528 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-06 22:42:13,528 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,528 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,528 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,528 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,528 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,528 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,529 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,529 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-06 22:42:13,529 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-06 22:42:13,529 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 22:42:13,529 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,529 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,529 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,529 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,529 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,529 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,530 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-06 22:42:13,530 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-06 22:42:13,530 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,530 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,530 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,530 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,530 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,530 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,530 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,530 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-06 22:42:13,531 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:42:13,531 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,531 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,531 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-06 22:42:13,531 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-06 22:42:13,531 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-06 22:42:13,531 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-06 22:42:13,533 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] [2021-12-06 22:42:13,534 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 22:42:13,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 10:42:13 BoogieIcfgContainer [2021-12-06 22:42:13,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 22:42:13,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:42:13,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:42:13,555 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:42:13,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:41:53" (3/4) ... [2021-12-06 22:42:13,558 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 22:42:13,578 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 22:42:13,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 22:42:13,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 22:42:13,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 22:42:13,677 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 22:42:13,677 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:42:13,677 INFO L158 Benchmark]: Toolchain (without parser) took 21936.94ms. Allocated memory was 107.0MB in the beginning and 796.9MB in the end (delta: 690.0MB). Free memory was 61.1MB in the beginning and 337.4MB in the end (delta: -276.3MB). Peak memory consumption was 414.1MB. Max. memory is 16.1GB. [2021-12-06 22:42:13,678 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:42:13,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.86ms. Allocated memory was 107.0MB in the beginning and 155.2MB in the end (delta: 48.2MB). Free memory was 60.8MB in the beginning and 124.5MB in the end (delta: -63.7MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2021-12-06 22:42:13,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.60ms. Allocated memory is still 155.2MB. Free memory was 124.5MB in the beginning and 107.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 22:42:13,678 INFO L158 Benchmark]: Boogie Preprocessor took 102.84ms. Allocated memory is still 155.2MB. Free memory was 107.8MB in the beginning and 98.3MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 22:42:13,679 INFO L158 Benchmark]: RCFGBuilder took 1123.77ms. Allocated memory was 155.2MB in the beginning and 222.3MB in the end (delta: 67.1MB). Free memory was 98.3MB in the beginning and 167.5MB in the end (delta: -69.2MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2021-12-06 22:42:13,679 INFO L158 Benchmark]: TraceAbstraction took 19931.10ms. Allocated memory was 222.3MB in the beginning and 796.9MB in the end (delta: 574.6MB). Free memory was 167.5MB in the beginning and 362.8MB in the end (delta: -195.3MB). Peak memory consumption was 584.4MB. Max. memory is 16.1GB. [2021-12-06 22:42:13,679 INFO L158 Benchmark]: Witness Printer took 122.31ms. Allocated memory is still 796.9MB. Free memory was 362.8MB in the beginning and 337.4MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-06 22:42:13,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.86ms. Allocated memory was 107.0MB in the beginning and 155.2MB in the end (delta: 48.2MB). Free memory was 60.8MB in the beginning and 124.5MB in the end (delta: -63.7MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.60ms. Allocated memory is still 155.2MB. Free memory was 124.5MB in the beginning and 107.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.84ms. Allocated memory is still 155.2MB. Free memory was 107.8MB in the beginning and 98.3MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1123.77ms. Allocated memory was 155.2MB in the beginning and 222.3MB in the end (delta: 67.1MB). Free memory was 98.3MB in the beginning and 167.5MB in the end (delta: -69.2MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. * TraceAbstraction took 19931.10ms. Allocated memory was 222.3MB in the beginning and 796.9MB in the end (delta: 574.6MB). Free memory was 167.5MB in the beginning and 362.8MB in the end (delta: -195.3MB). Peak memory consumption was 584.4MB. Max. memory is 16.1GB. * Witness Printer took 122.31ms. Allocated memory is still 796.9MB. Free memory was 362.8MB in the beginning and 337.4MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 133]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.9s, OverallIterations: 19, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2629 SdHoareTripleChecker+Valid, 10.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2629 mSDsluCounter, 3790 SdHoareTripleChecker+Invalid, 8.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 396 mSDsCounter, 1702 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10656 IncrementalHoareTripleChecker+Invalid, 12358 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1702 mSolverCounterUnsat, 3394 mSDtfsCounter, 10656 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 562 GetRequests, 538 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19939occurred in iteration=17, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 19 MinimizatonAttempts, 9660 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 207 NumberOfFragments, 555 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1490 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 9224 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 7460 NumberOfCodeBlocks, 7460 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 7440 ConstructedInterpolants, 0 QuantifiedInterpolants, 14554 SizeOfPredicates, 1 NumberOfNonLiveVariables, 688 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 20 InterpolantComputations, 19 PerfectInterpolantSequences, 10110/10516 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: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((0 < (a23 + -139) / 83 + 1 && a25 == 11) && a8 <= 15) && a4 == 1) && a23 <= 312) || ((a25 == 12 && a4 == 0) && a8 <= 15)) || ((((a25 == 11 && a29 <= 274) && a8 <= 15) && a4 == 1) && 246 <= a29)) || ((((a25 == 11 && 0 < a23 + 43) && a8 <= 15) && a4 == 1) && 246 <= a29)) || ((((a25 == 13 && a4 == 0) && 0 < a23 + 43) && a8 <= 15) && a23 <= 312)) || (((a25 == 13 && 0 < (a23 + -139) / 83 + 1) && a8 <= 15) && a4 == 1)) || (((a25 == 12 && a8 <= 15) && a4 == 1) && a29 <= 130)) || ((((a29 <= 140 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || ((a25 <= 10 && a8 <= 15) && a4 == 1)) || (((a4 == 0 && a8 <= 15) && a25 == 10) && a29 <= 130)) || ((((a25 == 11 && a8 <= 15) && a29 <= 220) && a4 == 1) && 312 <= a23)) || (((a25 == 12 && 0 < (a23 + -139) / 83 + 1) && a8 <= 15) && a4 == 1)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a8 <= 15) && 246 <= a29)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a8 <= 15) && a29 <= 130)) || (((a25 == 13 && a29 <= 274) && a8 <= 15) && a4 == 1)) || ((((a4 == 0 && a25 == 11) && a8 <= 15) && a23 <= 312) && 246 <= a29)) || (((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a8 <= 15) && a23 <= 312) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((0 < (a23 + -139) / 83 + 1 && a25 == 11) && a8 <= 15) && a4 == 1) && a23 <= 312) || ((a25 == 12 && a4 == 0) && a8 <= 15)) || ((((a25 == 11 && a29 <= 274) && a8 <= 15) && a4 == 1) && 246 <= a29)) || ((((a25 == 11 && 0 < a23 + 43) && a8 <= 15) && a4 == 1) && 246 <= a29)) || ((((a25 == 13 && a4 == 0) && 0 < a23 + 43) && a8 <= 15) && a23 <= 312)) || (((a25 == 13 && 0 < (a23 + -139) / 83 + 1) && a8 <= 15) && a4 == 1)) || (((a25 == 12 && a8 <= 15) && a4 == 1) && a29 <= 130)) || ((((a29 <= 140 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || ((a25 <= 10 && a8 <= 15) && a4 == 1)) || (((a4 == 0 && a8 <= 15) && a25 == 10) && a29 <= 130)) || ((((a25 == 11 && a8 <= 15) && a29 <= 220) && a4 == 1) && 312 <= a23)) || (((a25 == 12 && 0 < (a23 + -139) / 83 + 1) && a8 <= 15) && a4 == 1)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a8 <= 15) && 246 <= a29)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a8 <= 15) && a29 <= 130)) || (((a25 == 13 && a29 <= 274) && a8 <= 15) && a4 == 1)) || ((((a4 == 0 && a25 == 11) && a8 <= 15) && a23 <= 312) && 246 <= a29)) || (((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a8 <= 15) && a23 <= 312) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-06 22:42:13,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f988298a-915d-4696-af06-5d5a7702d3e3/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE