./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label43.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label43.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC --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 454dd493ee9dcdf0cdb95ddac4747f0f0acba84f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:21:09,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:21:09,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:21:09,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:21:09,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:21:09,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:21:09,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:21:09,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:21:09,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:21:09,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:21:09,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:21:09,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:21:09,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:21:09,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:21:09,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:21:09,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:21:09,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:21:09,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:21:09,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:21:09,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:21:09,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:21:09,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:21:09,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:21:09,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:21:09,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:21:09,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:21:09,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:21:09,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:21:09,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:21:09,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:21:09,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:21:09,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:21:09,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:21:09,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:21:09,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:21:09,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:21:09,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:21:09,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:21:09,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:21:09,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:21:09,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:21:09,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:21:09,651 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:21:09,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:21:09,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:21:09,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:21:09,655 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:21:09,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:21:09,656 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:21:09,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:21:09,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:21:09,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:21:09,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:21:09,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:21:09,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:21:09,659 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:21:09,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:21:09,659 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:21:09,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:21:09,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:21:09,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:21:09,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:21:09,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:21:09,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:21:09,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:21:09,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:21:09,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:21:09,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:21:09,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:21:09,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:21:09,663 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_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 454dd493ee9dcdf0cdb95ddac4747f0f0acba84f [2021-10-11 00:21:10,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:21:10,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:21:10,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:21:10,053 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:21:10,054 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:21:10,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/eca-rers2012/Problem01_label43.c [2021-10-11 00:21:10,151 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC/data/32e66049e/12919eeced8e4e0899f2a175c3e864db/FLAG339114436 [2021-10-11 00:21:10,866 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:21:10,867 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/sv-benchmarks/c/eca-rers2012/Problem01_label43.c [2021-10-11 00:21:10,879 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC/data/32e66049e/12919eeced8e4e0899f2a175c3e864db/FLAG339114436 [2021-10-11 00:21:11,089 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC/data/32e66049e/12919eeced8e4e0899f2a175c3e864db [2021-10-11 00:21:11,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:21:11,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:21:11,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:11,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:21:11,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:21:11,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:11" (1/1) ... [2021-10-11 00:21:11,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de5ed92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:11, skipping insertion in model container [2021-10-11 00:21:11,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:11" (1/1) ... [2021-10-11 00:21:11,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:21:11,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:21:11,564 WARN L226 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_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/sv-benchmarks/c/eca-rers2012/Problem01_label43.c[21463,21476] [2021-10-11 00:21:11,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:11,596 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:21:11,726 WARN L226 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_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/sv-benchmarks/c/eca-rers2012/Problem01_label43.c[21463,21476] [2021-10-11 00:21:11,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:11,765 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:21:11,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:11 WrapperNode [2021-10-11 00:21:11,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:11,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:11,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:21:11,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:21:11,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:11" (1/1) ... [2021-10-11 00:21:11,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:11" (1/1) ... [2021-10-11 00:21:11,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:11,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:21:11,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:21:11,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:21:11,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:11" (1/1) ... [2021-10-11 00:21:11,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:11" (1/1) ... [2021-10-11 00:21:11,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:11" (1/1) ... [2021-10-11 00:21:11,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:11" (1/1) ... [2021-10-11 00:21:11,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:11" (1/1) ... [2021-10-11 00:21:11,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:11" (1/1) ... [2021-10-11 00:21:11,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:11" (1/1) ... [2021-10-11 00:21:11,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:21:11,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:21:11,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:21:11,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:21:11,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:11" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:21:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:21:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:21:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:21:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:21:13,413 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:21:13,414 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:21:13,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:13 BoogieIcfgContainer [2021-10-11 00:21:13,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:21:13,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:21:13,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:21:13,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:21:13,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:21:11" (1/3) ... [2021-10-11 00:21:13,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453c0456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:13, skipping insertion in model container [2021-10-11 00:21:13,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:11" (2/3) ... [2021-10-11 00:21:13,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453c0456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:13, skipping insertion in model container [2021-10-11 00:21:13,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:13" (3/3) ... [2021-10-11 00:21:13,428 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label43.c [2021-10-11 00:21:13,443 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:21:13,447 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:21:13,463 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:21:13,506 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:21:13,506 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:21:13,506 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:21:13,506 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:21:13,506 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:21:13,506 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:21:13,507 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:21:13,507 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:21:13,529 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2021-10-11 00:21:13,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-10-11 00:21:13,553 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:13,554 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:13,554 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:13,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:13,561 INFO L82 PathProgramCache]: Analyzing trace with hash -46355601, now seen corresponding path program 1 times [2021-10-11 00:21:13,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:13,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201293401] [2021-10-11 00:21:13,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:14,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:14,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201293401] [2021-10-11 00:21:14,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:14,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:14,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519583733] [2021-10-11 00:21:14,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:14,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:14,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:14,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:14,123 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2021-10-11 00:21:14,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:14,972 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2021-10-11 00:21:14,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:14,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2021-10-11 00:21:14,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:14,988 INFO L225 Difference]: With dead ends: 528 [2021-10-11 00:21:14,989 INFO L226 Difference]: Without dead ends: 266 [2021-10-11 00:21:14,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:15,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-10-11 00:21:15,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2021-10-11 00:21:15,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2021-10-11 00:21:15,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 392 transitions. [2021-10-11 00:21:15,052 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 392 transitions. Word has length 128 [2021-10-11 00:21:15,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:15,053 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 392 transitions. [2021-10-11 00:21:15,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:15,054 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 392 transitions. [2021-10-11 00:21:15,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-11 00:21:15,058 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:15,058 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:15,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:21:15,059 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:15,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:15,060 INFO L82 PathProgramCache]: Analyzing trace with hash -861882041, now seen corresponding path program 1 times [2021-10-11 00:21:15,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:15,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927627163] [2021-10-11 00:21:15,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:15,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927627163] [2021-10-11 00:21:15,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:15,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:15,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076381073] [2021-10-11 00:21:15,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:15,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:15,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:15,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:15,156 INFO L87 Difference]: Start difference. First operand 266 states and 392 transitions. Second operand 3 states. [2021-10-11 00:21:15,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:15,691 INFO L93 Difference]: Finished difference Result 794 states and 1172 transitions. [2021-10-11 00:21:15,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:15,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2021-10-11 00:21:15,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:15,696 INFO L225 Difference]: With dead ends: 794 [2021-10-11 00:21:15,696 INFO L226 Difference]: Without dead ends: 530 [2021-10-11 00:21:15,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:15,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2021-10-11 00:21:15,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 528. [2021-10-11 00:21:15,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2021-10-11 00:21:15,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 745 transitions. [2021-10-11 00:21:15,753 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 745 transitions. Word has length 133 [2021-10-11 00:21:15,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:15,754 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 745 transitions. [2021-10-11 00:21:15,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:15,754 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 745 transitions. [2021-10-11 00:21:15,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-10-11 00:21:15,759 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:15,759 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:15,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:21:15,760 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:15,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:15,761 INFO L82 PathProgramCache]: Analyzing trace with hash -369009516, now seen corresponding path program 1 times [2021-10-11 00:21:15,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:15,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838189596] [2021-10-11 00:21:15,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:15,936 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:15,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838189596] [2021-10-11 00:21:15,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:15,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:15,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86185775] [2021-10-11 00:21:15,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:21:15,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:15,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:21:15,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:21:15,949 INFO L87 Difference]: Start difference. First operand 528 states and 745 transitions. Second operand 4 states. [2021-10-11 00:21:16,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:16,934 INFO L93 Difference]: Finished difference Result 1840 states and 2594 transitions. [2021-10-11 00:21:16,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:21:16,935 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2021-10-11 00:21:16,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:16,942 INFO L225 Difference]: With dead ends: 1840 [2021-10-11 00:21:16,943 INFO L226 Difference]: Without dead ends: 1314 [2021-10-11 00:21:16,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:21:16,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2021-10-11 00:21:16,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2021-10-11 00:21:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2021-10-11 00:21:16,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1707 transitions. [2021-10-11 00:21:16,983 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1707 transitions. Word has length 140 [2021-10-11 00:21:16,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:16,984 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1707 transitions. [2021-10-11 00:21:16,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:21:16,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1707 transitions. [2021-10-11 00:21:16,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-10-11 00:21:16,988 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:16,988 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:16,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:21:16,989 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:16,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:16,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1970011886, now seen corresponding path program 1 times [2021-10-11 00:21:16,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:16,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554053963] [2021-10-11 00:21:16,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:17,085 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:17,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554053963] [2021-10-11 00:21:17,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:17,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:17,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029747778] [2021-10-11 00:21:17,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:17,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:17,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:17,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:17,088 INFO L87 Difference]: Start difference. First operand 1314 states and 1707 transitions. Second operand 3 states. [2021-10-11 00:21:17,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:17,708 INFO L93 Difference]: Finished difference Result 3281 states and 4194 transitions. [2021-10-11 00:21:17,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:17,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2021-10-11 00:21:17,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:17,719 INFO L225 Difference]: With dead ends: 3281 [2021-10-11 00:21:17,719 INFO L226 Difference]: Without dead ends: 1969 [2021-10-11 00:21:17,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:17,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2021-10-11 00:21:17,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1707. [2021-10-11 00:21:17,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2021-10-11 00:21:17,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2142 transitions. [2021-10-11 00:21:17,795 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2142 transitions. Word has length 143 [2021-10-11 00:21:17,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:17,795 INFO L481 AbstractCegarLoop]: Abstraction has 1707 states and 2142 transitions. [2021-10-11 00:21:17,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:17,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2142 transitions. [2021-10-11 00:21:17,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-10-11 00:21:17,801 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:17,802 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:17,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:21:17,802 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:17,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:17,803 INFO L82 PathProgramCache]: Analyzing trace with hash -953142050, now seen corresponding path program 1 times [2021-10-11 00:21:17,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:17,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511534783] [2021-10-11 00:21:17,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:17,886 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 00:21:17,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511534783] [2021-10-11 00:21:17,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:17,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:17,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722077730] [2021-10-11 00:21:17,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:17,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:17,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:17,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:17,889 INFO L87 Difference]: Start difference. First operand 1707 states and 2142 transitions. Second operand 3 states. [2021-10-11 00:21:18,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:18,532 INFO L93 Difference]: Finished difference Result 4067 states and 5161 transitions. [2021-10-11 00:21:18,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:18,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2021-10-11 00:21:18,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:18,544 INFO L225 Difference]: With dead ends: 4067 [2021-10-11 00:21:18,544 INFO L226 Difference]: Without dead ends: 2231 [2021-10-11 00:21:18,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:18,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2021-10-11 00:21:18,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1969. [2021-10-11 00:21:18,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2021-10-11 00:21:18,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2279 transitions. [2021-10-11 00:21:18,602 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2279 transitions. Word has length 144 [2021-10-11 00:21:18,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:18,602 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2279 transitions. [2021-10-11 00:21:18,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:18,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2279 transitions. [2021-10-11 00:21:18,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-10-11 00:21:18,607 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:18,607 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:18,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:21:18,608 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:18,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:18,609 INFO L82 PathProgramCache]: Analyzing trace with hash 655727382, now seen corresponding path program 1 times [2021-10-11 00:21:18,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:18,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430959430] [2021-10-11 00:21:18,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:18,705 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 00:21:18,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430959430] [2021-10-11 00:21:18,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:18,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:18,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378381394] [2021-10-11 00:21:18,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:21:18,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:18,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:21:18,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:21:18,709 INFO L87 Difference]: Start difference. First operand 1969 states and 2279 transitions. Second operand 4 states. [2021-10-11 00:21:19,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:19,415 INFO L93 Difference]: Finished difference Result 4067 states and 4702 transitions. [2021-10-11 00:21:19,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:21:19,416 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2021-10-11 00:21:19,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:19,427 INFO L225 Difference]: With dead ends: 4067 [2021-10-11 00:21:19,427 INFO L226 Difference]: Without dead ends: 2100 [2021-10-11 00:21:19,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:21:19,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2021-10-11 00:21:19,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 2100. [2021-10-11 00:21:19,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2021-10-11 00:21:19,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2355 transitions. [2021-10-11 00:21:19,485 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2355 transitions. Word has length 148 [2021-10-11 00:21:19,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:19,486 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2355 transitions. [2021-10-11 00:21:19,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:21:19,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2355 transitions. [2021-10-11 00:21:19,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-10-11 00:21:19,491 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:19,492 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:19,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:21:19,492 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:19,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:19,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1859323838, now seen corresponding path program 1 times [2021-10-11 00:21:19,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:19,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649118468] [2021-10-11 00:21:19,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:19,623 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-11 00:21:19,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649118468] [2021-10-11 00:21:19,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512886785] [2021-10-11 00:21:19,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:21:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:19,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:21:19,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:21:20,155 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-11 00:21:20,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:21:20,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-11 00:21:20,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007561560] [2021-10-11 00:21:20,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:20,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:20,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:20,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:20,158 INFO L87 Difference]: Start difference. First operand 2100 states and 2355 transitions. Second operand 3 states. [2021-10-11 00:21:20,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:20,730 INFO L93 Difference]: Finished difference Result 4198 states and 4708 transitions. [2021-10-11 00:21:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:20,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2021-10-11 00:21:20,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:20,742 INFO L225 Difference]: With dead ends: 4198 [2021-10-11 00:21:20,743 INFO L226 Difference]: Without dead ends: 2100 [2021-10-11 00:21:20,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:20,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2021-10-11 00:21:20,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1838. [2021-10-11 00:21:20,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2021-10-11 00:21:20,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 1994 transitions. [2021-10-11 00:21:20,799 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 1994 transitions. Word has length 177 [2021-10-11 00:21:20,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:20,800 INFO L481 AbstractCegarLoop]: Abstraction has 1838 states and 1994 transitions. [2021-10-11 00:21:20,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:20,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 1994 transitions. [2021-10-11 00:21:20,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-10-11 00:21:20,806 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:20,807 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:21,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-10-11 00:21:21,034 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:21,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:21,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1121670793, now seen corresponding path program 1 times [2021-10-11 00:21:21,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:21,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50066977] [2021-10-11 00:21:21,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:21,144 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-11 00:21:21,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50066977] [2021-10-11 00:21:21,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922766249] [2021-10-11 00:21:21,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:21:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:21,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:21:21,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:21:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 00:21:21,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:21:21,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-11 00:21:21,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452044175] [2021-10-11 00:21:21,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:21,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:21,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:21,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:21,513 INFO L87 Difference]: Start difference. First operand 1838 states and 1994 transitions. Second operand 3 states. [2021-10-11 00:21:22,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:22,158 INFO L93 Difference]: Finished difference Result 4329 states and 4703 transitions. [2021-10-11 00:21:22,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:22,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2021-10-11 00:21:22,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:22,171 INFO L225 Difference]: With dead ends: 4329 [2021-10-11 00:21:22,171 INFO L226 Difference]: Without dead ends: 2493 [2021-10-11 00:21:22,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:22,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2021-10-11 00:21:22,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2100. [2021-10-11 00:21:22,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2021-10-11 00:21:22,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2277 transitions. [2021-10-11 00:21:22,261 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2277 transitions. Word has length 194 [2021-10-11 00:21:22,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:22,262 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2277 transitions. [2021-10-11 00:21:22,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:22,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2277 transitions. [2021-10-11 00:21:22,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-10-11 00:21:22,276 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:22,276 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:22,502 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:21:22,502 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:22,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:22,503 INFO L82 PathProgramCache]: Analyzing trace with hash 2050144885, now seen corresponding path program 1 times [2021-10-11 00:21:22,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:22,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577860621] [2021-10-11 00:21:22,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:22,644 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-11 00:21:22,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577860621] [2021-10-11 00:21:22,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773348837] [2021-10-11 00:21:22,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:21:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:22,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:21:22,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:21:23,026 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-10-11 00:21:23,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:21:23,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-11 00:21:23,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200059455] [2021-10-11 00:21:23,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:23,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:23,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:23,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:23,029 INFO L87 Difference]: Start difference. First operand 2100 states and 2277 transitions. Second operand 3 states. [2021-10-11 00:21:23,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:23,566 INFO L93 Difference]: Finished difference Result 4982 states and 5419 transitions. [2021-10-11 00:21:23,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:23,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2021-10-11 00:21:23,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:23,567 INFO L225 Difference]: With dead ends: 4982 [2021-10-11 00:21:23,567 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:21:23,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:23,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:21:23,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:21:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:21:23,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:21:23,573 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 198 [2021-10-11 00:21:23,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:23,573 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:21:23,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:23,573 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:21:23,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:21:23,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:21:23,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:21:24,056 INFO L262 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2021-10-11 00:21:24,057 INFO L262 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2021-10-11 00:21:24,057 INFO L262 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2021-10-11 00:21:24,057 INFO L262 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2021-10-11 00:21:24,057 INFO L262 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2021-10-11 00:21:24,057 INFO L262 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2021-10-11 00:21:24,057 INFO L262 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2021-10-11 00:21:24,058 INFO L262 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2021-10-11 00:21:24,058 INFO L262 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,058 INFO L262 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,058 INFO L262 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,058 INFO L262 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,058 INFO L262 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-10-11 00:21:24,058 INFO L262 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,059 INFO L262 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,059 INFO L262 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2021-10-11 00:21:24,059 INFO L262 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2021-10-11 00:21:24,059 INFO L262 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2021-10-11 00:21:24,059 INFO L262 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2021-10-11 00:21:24,059 INFO L262 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2021-10-11 00:21:24,059 INFO L262 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2021-10-11 00:21:24,060 INFO L262 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2021-10-11 00:21:24,060 INFO L262 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2021-10-11 00:21:24,060 INFO L262 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2021-10-11 00:21:24,060 INFO L262 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2021-10-11 00:21:24,060 INFO L262 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2021-10-11 00:21:24,060 INFO L262 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2021-10-11 00:21:24,060 INFO L262 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,061 INFO L262 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,061 INFO L262 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,061 INFO L262 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,061 INFO L262 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,061 INFO L262 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2021-10-11 00:21:24,061 INFO L262 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,061 INFO L262 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2021-10-11 00:21:24,061 INFO L262 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2021-10-11 00:21:24,062 INFO L262 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2021-10-11 00:21:24,062 INFO L262 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2021-10-11 00:21:24,062 INFO L262 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2021-10-11 00:21:24,062 INFO L262 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2021-10-11 00:21:24,062 INFO L262 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2021-10-11 00:21:24,062 INFO L262 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2021-10-11 00:21:24,062 INFO L262 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2021-10-11 00:21:24,062 INFO L262 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2021-10-11 00:21:24,063 INFO L262 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2021-10-11 00:21:24,063 INFO L262 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2021-10-11 00:21:24,063 INFO L262 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2021-10-11 00:21:24,063 INFO L262 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2021-10-11 00:21:24,063 INFO L262 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,063 INFO L262 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,063 INFO L262 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,064 INFO L262 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,064 INFO L262 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,064 INFO L262 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,064 INFO L262 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2021-10-11 00:21:24,064 INFO L262 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2021-10-11 00:21:24,064 INFO L262 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2021-10-11 00:21:24,064 INFO L262 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2021-10-11 00:21:24,064 INFO L262 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2021-10-11 00:21:24,065 INFO L262 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2021-10-11 00:21:24,065 INFO L262 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2021-10-11 00:21:24,065 INFO L262 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2021-10-11 00:21:24,065 INFO L262 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2021-10-11 00:21:24,065 INFO L262 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2021-10-11 00:21:24,065 INFO L262 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2021-10-11 00:21:24,065 INFO L262 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2021-10-11 00:21:24,065 INFO L262 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,066 INFO L262 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,066 INFO L262 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,066 INFO L262 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,066 INFO L262 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,066 INFO L262 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,066 INFO L262 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2021-10-11 00:21:24,066 INFO L262 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2021-10-11 00:21:24,067 INFO L262 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2021-10-11 00:21:24,067 INFO L262 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2021-10-11 00:21:24,067 INFO L262 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2021-10-11 00:21:24,067 INFO L262 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2021-10-11 00:21:24,067 INFO L262 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2021-10-11 00:21:24,067 INFO L262 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2021-10-11 00:21:24,067 INFO L262 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2021-10-11 00:21:24,067 INFO L262 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2021-10-11 00:21:24,068 INFO L262 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,068 INFO L262 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,068 INFO L262 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,068 INFO L262 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,068 INFO L262 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,068 INFO L262 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,068 INFO L262 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2021-10-11 00:21:24,068 INFO L262 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2021-10-11 00:21:24,069 INFO L262 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2021-10-11 00:21:24,069 INFO L262 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2021-10-11 00:21:24,069 INFO L262 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2021-10-11 00:21:24,069 INFO L262 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2021-10-11 00:21:24,069 INFO L262 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2021-10-11 00:21:24,069 INFO L262 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2021-10-11 00:21:24,069 INFO L262 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2021-10-11 00:21:24,069 INFO L262 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2021-10-11 00:21:24,070 INFO L262 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2021-10-11 00:21:24,070 INFO L262 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2021-10-11 00:21:24,070 INFO L262 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2021-10-11 00:21:24,070 INFO L262 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2021-10-11 00:21:24,070 INFO L262 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2021-10-11 00:21:24,070 INFO L262 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,070 INFO L262 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,070 INFO L262 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,071 INFO L262 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,071 INFO L262 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,071 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:21:24,071 INFO L262 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2021-10-11 00:21:24,071 INFO L262 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2021-10-11 00:21:24,071 INFO L262 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2021-10-11 00:21:24,071 INFO L262 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2021-10-11 00:21:24,071 INFO L262 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2021-10-11 00:21:24,072 INFO L262 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2021-10-11 00:21:24,072 INFO L262 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2021-10-11 00:21:24,072 INFO L262 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2021-10-11 00:21:24,072 INFO L262 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2021-10-11 00:21:24,073 INFO L258 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse1 (= ~a20~0 1)) (.cse0 (= ~a17~0 1))) (or (and (<= ~a16~0 4) .cse0) (and (<= ~a16~0 5) .cse1 .cse0) (and (= ~a21~0 1) .cse1 (= ~a7~0 0) .cse0) (<= ~a17~0 0) (and (not (= ~a7~0 1)) (<= 15 ~a8~0) .cse0))) [2021-10-11 00:21:24,073 INFO L262 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,073 INFO L262 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,073 INFO L262 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,073 INFO L262 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,073 INFO L262 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,073 INFO L262 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2021-10-11 00:21:24,074 INFO L262 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2021-10-11 00:21:24,074 INFO L262 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2021-10-11 00:21:24,074 INFO L262 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2021-10-11 00:21:24,074 INFO L262 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2021-10-11 00:21:24,074 INFO L262 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2021-10-11 00:21:24,074 INFO L262 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2021-10-11 00:21:24,074 INFO L262 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2021-10-11 00:21:24,074 INFO L262 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2021-10-11 00:21:24,075 INFO L262 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2021-10-11 00:21:24,075 INFO L262 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2021-10-11 00:21:24,075 INFO L262 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2021-10-11 00:21:24,075 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:21:24,075 INFO L262 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2021-10-11 00:21:24,075 INFO L265 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2021-10-11 00:21:24,075 INFO L262 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,075 INFO L262 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,076 INFO L262 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,076 INFO L262 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,076 INFO L262 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,076 INFO L262 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2021-10-11 00:21:24,076 INFO L262 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2021-10-11 00:21:24,076 INFO L262 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2021-10-11 00:21:24,076 INFO L262 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2021-10-11 00:21:24,076 INFO L262 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2021-10-11 00:21:24,077 INFO L262 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2021-10-11 00:21:24,077 INFO L262 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2021-10-11 00:21:24,077 INFO L262 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2021-10-11 00:21:24,077 INFO L262 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2021-10-11 00:21:24,077 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:21:24,077 INFO L262 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,077 INFO L262 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,078 INFO L262 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,078 INFO L262 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,078 INFO L262 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2021-10-11 00:21:24,078 INFO L262 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,078 INFO L262 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2021-10-11 00:21:24,078 INFO L262 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2021-10-11 00:21:24,078 INFO L262 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2021-10-11 00:21:24,078 INFO L262 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2021-10-11 00:21:24,078 INFO L262 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2021-10-11 00:21:24,079 INFO L262 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2021-10-11 00:21:24,079 INFO L262 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2021-10-11 00:21:24,079 INFO L262 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2021-10-11 00:21:24,079 INFO L262 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2021-10-11 00:21:24,079 INFO L262 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2021-10-11 00:21:24,079 INFO L262 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2021-10-11 00:21:24,079 INFO L262 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2021-10-11 00:21:24,079 INFO L262 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2021-10-11 00:21:24,080 INFO L262 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,080 INFO L258 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse1 (= ~a20~0 1)) (.cse0 (= ~a17~0 1))) (or (and (<= ~a16~0 4) .cse0) (and (<= ~a16~0 5) .cse1 .cse0) (and (= ~a21~0 1) .cse1 (= ~a7~0 0) .cse0) (<= ~a17~0 0) (and (not (= ~a7~0 1)) (<= 15 ~a8~0) .cse0))) [2021-10-11 00:21:24,080 INFO L262 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,080 INFO L262 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,080 INFO L262 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,080 INFO L262 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,081 INFO L262 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2021-10-11 00:21:24,081 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:21:24,081 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 570) no Hoare annotation was computed. [2021-10-11 00:21:24,081 INFO L262 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2021-10-11 00:21:24,081 INFO L262 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2021-10-11 00:21:24,081 INFO L262 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2021-10-11 00:21:24,081 INFO L262 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2021-10-11 00:21:24,082 INFO L262 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2021-10-11 00:21:24,082 INFO L262 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2021-10-11 00:21:24,082 INFO L262 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2021-10-11 00:21:24,082 INFO L262 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,082 INFO L262 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,082 INFO L262 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,082 INFO L262 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,082 INFO L262 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:24,083 INFO L262 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2021-10-11 00:21:24,083 INFO L262 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2021-10-11 00:21:24,083 INFO L262 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2021-10-11 00:21:24,083 INFO L262 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2021-10-11 00:21:24,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:21:24 BoogieIcfgContainer [2021-10-11 00:21:24,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:21:24,101 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:21:24,101 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:21:24,101 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:21:24,102 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:13" (3/4) ... [2021-10-11 00:21:24,105 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:21:24,126 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:21:24,127 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:21:24,128 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:24,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:24,253 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7eb1b08-bc16-4b6b-a3b0-2c3c382e8c8a/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:21:24,254 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:21:24,255 INFO L168 Benchmark]: Toolchain (without parser) took 13161.38 ms. Allocated memory was 111.1 MB in the beginning and 283.1 MB in the end (delta: 172.0 MB). Free memory was 73.0 MB in the beginning and 100.5 MB in the end (delta: -27.5 MB). Peak memory consumption was 143.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:24,256 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 111.1 MB. Free memory was 82.7 MB in the beginning and 82.6 MB in the end (delta: 31.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:24,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.33 ms. Allocated memory is still 111.1 MB. Free memory was 72.8 MB in the beginning and 68.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:24,256 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.44 ms. Allocated memory is still 111.1 MB. Free memory was 68.5 MB in the beginning and 62.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:24,257 INFO L168 Benchmark]: Boogie Preprocessor took 84.87 ms. Allocated memory is still 111.1 MB. Free memory was 62.7 MB in the beginning and 58.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:24,257 INFO L168 Benchmark]: RCFGBuilder took 1472.34 ms. Allocated memory was 111.1 MB in the beginning and 148.9 MB in the end (delta: 37.7 MB). Free memory was 58.1 MB in the beginning and 97.0 MB in the end (delta: -38.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:24,258 INFO L168 Benchmark]: TraceAbstraction took 10680.58 ms. Allocated memory was 148.9 MB in the beginning and 283.1 MB in the end (delta: 134.2 MB). Free memory was 96.0 MB in the beginning and 114.5 MB in the end (delta: -18.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:24,258 INFO L168 Benchmark]: Witness Printer took 152.78 ms. Allocated memory is still 283.1 MB. Free memory was 114.5 MB in the beginning and 100.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:24,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 111.1 MB. Free memory was 82.7 MB in the beginning and 82.6 MB in the end (delta: 31.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 671.33 ms. Allocated memory is still 111.1 MB. Free memory was 72.8 MB in the beginning and 68.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.44 ms. Allocated memory is still 111.1 MB. Free memory was 68.5 MB in the beginning and 62.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.87 ms. Allocated memory is still 111.1 MB. Free memory was 62.7 MB in the beginning and 58.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1472.34 ms. Allocated memory was 111.1 MB in the beginning and 148.9 MB in the end (delta: 37.7 MB). Free memory was 58.1 MB in the beginning and 97.0 MB in the end (delta: -38.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10680.58 ms. Allocated memory was 148.9 MB in the beginning and 283.1 MB in the end (delta: 134.2 MB). Free memory was 96.0 MB in the beginning and 114.5 MB in the end (delta: -18.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 16.1 GB. * Witness Printer took 152.78 ms. Allocated memory is still 283.1 MB. Free memory was 114.5 MB in the beginning and 100.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 570]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((a16 <= 4 && a17 == 1) || ((a16 <= 5 && a20 == 1) && a17 == 1)) || (((a21 == 1 && a20 == 1) && a7 == 0) && a17 == 1)) || a17 <= 0) || ((!(a7 == 1) && 15 <= a8) && a17 == 1) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((a16 <= 4 && a17 == 1) || ((a16 <= 5 && a20 == 1) && a17 == 1)) || (((a21 == 1 && a20 == 1) && a7 == 0) && a17 == 1)) || a17 <= 0) || ((!(a7 == 1) && 15 <= a8) && a17 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.2s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 607 SDtfs, 1255 SDslu, 56 SDs, 0 SdLazy, 3383 SolverSat, 619 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 589 GetRequests, 572 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2100occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 1181 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 51 NumberOfFragments, 91 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1088 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 106 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1974 NumberOfCodeBlocks, 1974 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1962 ConstructedInterpolants, 0 QuantifiedInterpolants, 615967 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1155 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 653/662 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...