./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label29.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_dc7ad718-3e6f-4359-9547-14fa85e58951/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ad718-3e6f-4359-9547-14fa85e58951/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_dc7ad718-3e6f-4359-9547-14fa85e58951/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ad718-3e6f-4359-9547-14fa85e58951/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label29.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ad718-3e6f-4359-9547-14fa85e58951/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_dc7ad718-3e6f-4359-9547-14fa85e58951/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 5ed5f96ec62512a1ce27f5120a7de01f72ef15e0 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:25:44,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:25:44,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:25:44,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:25:44,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:25:44,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:25:44,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:25:44,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:25:44,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:25:44,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:25:44,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:25:44,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:25:44,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:25:44,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:25:44,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:25:44,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:25:44,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:25:44,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:25:44,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:25:44,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:25:44,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:25:44,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:25:44,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:25:44,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:25:44,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:25:44,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:25:44,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:25:44,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:25:44,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:25:44,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:25:44,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:25:44,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:25:44,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:25:44,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:25:44,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:25:44,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:25:44,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:25:44,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:25:44,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:25:44,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:25:44,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:25:44,194 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ad718-3e6f-4359-9547-14fa85e58951/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:25:44,249 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:25:44,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:25:44,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:25:44,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:25:44,252 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:25:44,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:25:44,253 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:25:44,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:25:44,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:25:44,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:25:44,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:25:44,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:25:44,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:25:44,256 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:25:44,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:25:44,256 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:25:44,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:25:44,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:25:44,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:25:44,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:25:44,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:25:44,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:25:44,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:25:44,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:25:44,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:25:44,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:25:44,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:25:44,259 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:25:44,259 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_dc7ad718-3e6f-4359-9547-14fa85e58951/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ad718-3e6f-4359-9547-14fa85e58951/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ed5f96ec62512a1ce27f5120a7de01f72ef15e0 [2021-10-11 00:25:44,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:25:44,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:25:44,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:25:44,655 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:25:44,660 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:25:44,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ad718-3e6f-4359-9547-14fa85e58951/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/eca-rers2012/Problem02_label29.c [2021-10-11 00:25:44,744 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ad718-3e6f-4359-9547-14fa85e58951/bin/uautomizer-Z5i5R5N3CC/data/efb0b14dc/30f0a56ee4c6475a9c43e8e8b730554f/FLAGdde98cc0f [2021-10-11 00:25:45,367 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:25:45,369 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ad718-3e6f-4359-9547-14fa85e58951/sv-benchmarks/c/eca-rers2012/Problem02_label29.c [2021-10-11 00:25:45,380 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ad718-3e6f-4359-9547-14fa85e58951/bin/uautomizer-Z5i5R5N3CC/data/efb0b14dc/30f0a56ee4c6475a9c43e8e8b730554f/FLAGdde98cc0f [2021-10-11 00:25:45,578 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ad718-3e6f-4359-9547-14fa85e58951/bin/uautomizer-Z5i5R5N3CC/data/efb0b14dc/30f0a56ee4c6475a9c43e8e8b730554f [2021-10-11 00:25:45,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:25:45,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:25:45,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:25:45,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:25:45,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:25:45,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:45" (1/1) ... [2021-10-11 00:25:45,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6674be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:45, skipping insertion in model container [2021-10-11 00:25:45,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:45" (1/1) ... [2021-10-11 00:25:45,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:25:45,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:25:46,015 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_dc7ad718-3e6f-4359-9547-14fa85e58951/sv-benchmarks/c/eca-rers2012/Problem02_label29.c[17015,17028] [2021-10-11 00:25:46,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:25:46,089 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:25:46,219 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_dc7ad718-3e6f-4359-9547-14fa85e58951/sv-benchmarks/c/eca-rers2012/Problem02_label29.c[17015,17028] [2021-10-11 00:25:46,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:25:46,264 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:25:46,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:46 WrapperNode [2021-10-11 00:25:46,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:25:46,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:25:46,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:25:46,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:25:46,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:46" (1/1) ... [2021-10-11 00:25:46,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:46" (1/1) ... [2021-10-11 00:25:46,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:25:46,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:25:46,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:25:46,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:25:46,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:46" (1/1) ... [2021-10-11 00:25:46,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:46" (1/1) ... [2021-10-11 00:25:46,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:46" (1/1) ... [2021-10-11 00:25:46,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:46" (1/1) ... [2021-10-11 00:25:46,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:46" (1/1) ... [2021-10-11 00:25:46,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:46" (1/1) ... [2021-10-11 00:25:46,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:46" (1/1) ... [2021-10-11 00:25:46,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:25:46,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:25:46,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:25:46,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:25:46,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:46" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ad718-3e6f-4359-9547-14fa85e58951/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 00:25:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:25:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:25:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:25:46,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:25:48,059 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:25:48,060 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:25:48,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:48 BoogieIcfgContainer [2021-10-11 00:25:48,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:25:48,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:25:48,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:25:48,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:25:48,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:25:45" (1/3) ... [2021-10-11 00:25:48,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640ffd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:25:48, skipping insertion in model container [2021-10-11 00:25:48,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:46" (2/3) ... [2021-10-11 00:25:48,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640ffd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:25:48, skipping insertion in model container [2021-10-11 00:25:48,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:48" (3/3) ... [2021-10-11 00:25:48,076 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label29.c [2021-10-11 00:25:48,099 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:25:48,103 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:25:48,116 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:25:48,161 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:25:48,162 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:25:48,162 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:25:48,162 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:25:48,162 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:25:48,162 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:25:48,163 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:25:48,163 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:25:48,187 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2021-10-11 00:25:48,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-10-11 00:25:48,200 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:48,201 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] [2021-10-11 00:25:48,201 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:48,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:48,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1023341155, now seen corresponding path program 1 times [2021-10-11 00:25:48,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:48,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83051099] [2021-10-11 00:25:48,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:48,624 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 00:25:48,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83051099] [2021-10-11 00:25:48,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:48,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:25:48,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751341042] [2021-10-11 00:25:48,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:25:48,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:48,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:25:48,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:25:48,649 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 3 states. [2021-10-11 00:25:49,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:49,580 INFO L93 Difference]: Finished difference Result 639 states and 1082 transitions. [2021-10-11 00:25:49,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:25:49,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2021-10-11 00:25:49,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:49,600 INFO L225 Difference]: With dead ends: 639 [2021-10-11 00:25:49,600 INFO L226 Difference]: Without dead ends: 318 [2021-10-11 00:25:49,605 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 00:25:49,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-10-11 00:25:49,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 313. [2021-10-11 00:25:49,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2021-10-11 00:25:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 459 transitions. [2021-10-11 00:25:49,673 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 459 transitions. Word has length 102 [2021-10-11 00:25:49,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:49,674 INFO L481 AbstractCegarLoop]: Abstraction has 313 states and 459 transitions. [2021-10-11 00:25:49,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:25:49,674 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 459 transitions. [2021-10-11 00:25:49,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-11 00:25:49,678 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:49,679 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-10-11 00:25:49,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:25:49,679 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:49,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:49,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1822434504, now seen corresponding path program 1 times [2021-10-11 00:25:49,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:49,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759487115] [2021-10-11 00:25:49,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:49,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:25:49,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759487115] [2021-10-11 00:25:49,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:49,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:25:49,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803305231] [2021-10-11 00:25:49,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:25:49,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:49,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:25:49,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:25:49,775 INFO L87 Difference]: Start difference. First operand 313 states and 459 transitions. Second operand 3 states. [2021-10-11 00:25:50,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:50,505 INFO L93 Difference]: Finished difference Result 910 states and 1341 transitions. [2021-10-11 00:25:50,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:25:50,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2021-10-11 00:25:50,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:50,510 INFO L225 Difference]: With dead ends: 910 [2021-10-11 00:25:50,511 INFO L226 Difference]: Without dead ends: 599 [2021-10-11 00:25:50,514 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 00:25:50,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-10-11 00:25:50,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 596. [2021-10-11 00:25:50,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2021-10-11 00:25:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 772 transitions. [2021-10-11 00:25:50,548 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 772 transitions. Word has length 106 [2021-10-11 00:25:50,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:50,549 INFO L481 AbstractCegarLoop]: Abstraction has 596 states and 772 transitions. [2021-10-11 00:25:50,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:25:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 772 transitions. [2021-10-11 00:25:50,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-10-11 00:25:50,554 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:50,555 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:50,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:25:50,555 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:50,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:50,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1555193363, now seen corresponding path program 1 times [2021-10-11 00:25:50,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:50,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119791522] [2021-10-11 00:25:50,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:50,643 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:25:50,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119791522] [2021-10-11 00:25:50,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267354001] [2021-10-11 00:25:50,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ad718-3e6f-4359-9547-14fa85e58951/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 00:25:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:50,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:25:50,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:25:51,009 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:25:51,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:25:51,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-11 00:25:51,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577769043] [2021-10-11 00:25:51,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:25:51,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:51,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:25:51,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:25:51,016 INFO L87 Difference]: Start difference. First operand 596 states and 772 transitions. Second operand 3 states. [2021-10-11 00:25:51,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:51,800 INFO L93 Difference]: Finished difference Result 1611 states and 2114 transitions. [2021-10-11 00:25:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:25:51,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2021-10-11 00:25:51,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:51,808 INFO L225 Difference]: With dead ends: 1611 [2021-10-11 00:25:51,808 INFO L226 Difference]: Without dead ends: 1017 [2021-10-11 00:25:51,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 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 00:25:51,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2021-10-11 00:25:51,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 737. [2021-10-11 00:25:51,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2021-10-11 00:25:51,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 987 transitions. [2021-10-11 00:25:51,846 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 987 transitions. Word has length 111 [2021-10-11 00:25:51,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:51,847 INFO L481 AbstractCegarLoop]: Abstraction has 737 states and 987 transitions. [2021-10-11 00:25:51,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:25:51,848 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 987 transitions. [2021-10-11 00:25:51,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-10-11 00:25:51,854 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:51,854 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-10-11 00:25:52,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-10-11 00:25:52,068 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:52,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:52,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1679512537, now seen corresponding path program 1 times [2021-10-11 00:25:52,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:52,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879033493] [2021-10-11 00:25:52,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:52,150 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:25:52,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879033493] [2021-10-11 00:25:52,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:52,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:25:52,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859504861] [2021-10-11 00:25:52,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:25:52,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:52,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:25:52,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:25:52,155 INFO L87 Difference]: Start difference. First operand 737 states and 987 transitions. Second operand 3 states. [2021-10-11 00:25:52,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:52,449 INFO L93 Difference]: Finished difference Result 1458 states and 1954 transitions. [2021-10-11 00:25:52,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:25:52,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2021-10-11 00:25:52,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:52,454 INFO L225 Difference]: With dead ends: 1458 [2021-10-11 00:25:52,454 INFO L226 Difference]: Without dead ends: 723 [2021-10-11 00:25:52,455 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 00:25:52,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2021-10-11 00:25:52,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2021-10-11 00:25:52,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2021-10-11 00:25:52,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 914 transitions. [2021-10-11 00:25:52,476 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 914 transitions. Word has length 113 [2021-10-11 00:25:52,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:52,477 INFO L481 AbstractCegarLoop]: Abstraction has 723 states and 914 transitions. [2021-10-11 00:25:52,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:25:52,477 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 914 transitions. [2021-10-11 00:25:52,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-11 00:25:52,480 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:52,481 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:52,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:25:52,481 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:52,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:52,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1886415445, now seen corresponding path program 1 times [2021-10-11 00:25:52,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:52,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748187085] [2021-10-11 00:25:52,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:52,589 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-11 00:25:52,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748187085] [2021-10-11 00:25:52,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:52,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:25:52,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873428224] [2021-10-11 00:25:52,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:25:52,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:52,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:25:52,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:25:52,592 INFO L87 Difference]: Start difference. First operand 723 states and 914 transitions. Second operand 3 states. [2021-10-11 00:25:53,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:53,167 INFO L93 Difference]: Finished difference Result 1585 states and 2062 transitions. [2021-10-11 00:25:53,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:25:53,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2021-10-11 00:25:53,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:53,174 INFO L225 Difference]: With dead ends: 1585 [2021-10-11 00:25:53,174 INFO L226 Difference]: Without dead ends: 1004 [2021-10-11 00:25:53,175 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 00:25:53,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2021-10-11 00:25:53,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1004. [2021-10-11 00:25:53,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1004 states. [2021-10-11 00:25:53,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1245 transitions. [2021-10-11 00:25:53,207 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1245 transitions. Word has length 133 [2021-10-11 00:25:53,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:53,207 INFO L481 AbstractCegarLoop]: Abstraction has 1004 states and 1245 transitions. [2021-10-11 00:25:53,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:25:53,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1245 transitions. [2021-10-11 00:25:53,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-10-11 00:25:53,211 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:53,212 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-11 00:25:53,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:25:53,212 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:53,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:53,213 INFO L82 PathProgramCache]: Analyzing trace with hash 215706817, now seen corresponding path program 1 times [2021-10-11 00:25:53,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:53,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273240650] [2021-10-11 00:25:53,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:53,302 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-10-11 00:25:53,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273240650] [2021-10-11 00:25:53,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337691611] [2021-10-11 00:25:53,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ad718-3e6f-4359-9547-14fa85e58951/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 00:25:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:53,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:25:53,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:25:53,658 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:25:53,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:25:53,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-11 00:25:53,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744386504] [2021-10-11 00:25:53,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:25:53,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:53,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:25:53,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:25:53,661 INFO L87 Difference]: Start difference. First operand 1004 states and 1245 transitions. Second operand 3 states. [2021-10-11 00:25:54,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:54,294 INFO L93 Difference]: Finished difference Result 2427 states and 3069 transitions. [2021-10-11 00:25:54,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:25:54,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2021-10-11 00:25:54,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:54,303 INFO L225 Difference]: With dead ends: 2427 [2021-10-11 00:25:54,303 INFO L226 Difference]: Without dead ends: 1565 [2021-10-11 00:25:54,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:25:54,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2021-10-11 00:25:54,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1565. [2021-10-11 00:25:54,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1565 states. [2021-10-11 00:25:54,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 1871 transitions. [2021-10-11 00:25:54,342 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 1871 transitions. Word has length 155 [2021-10-11 00:25:54,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:54,343 INFO L481 AbstractCegarLoop]: Abstraction has 1565 states and 1871 transitions. [2021-10-11 00:25:54,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:25:54,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1871 transitions. [2021-10-11 00:25:54,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-10-11 00:25:54,347 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:54,347 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:25:54,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:25:54,564 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:54,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:54,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1858764135, now seen corresponding path program 1 times [2021-10-11 00:25:54,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:54,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130627212] [2021-10-11 00:25:54,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:54,682 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-11 00:25:54,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130627212] [2021-10-11 00:25:54,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:54,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:25:54,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310219315] [2021-10-11 00:25:54,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:25:54,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:54,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:25:54,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:25:54,686 INFO L87 Difference]: Start difference. First operand 1565 states and 1871 transitions. Second operand 3 states. [2021-10-11 00:25:55,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:55,277 INFO L93 Difference]: Finished difference Result 3125 states and 3746 transitions. [2021-10-11 00:25:55,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:25:55,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2021-10-11 00:25:55,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:55,286 INFO L225 Difference]: With dead ends: 3125 [2021-10-11 00:25:55,286 INFO L226 Difference]: Without dead ends: 1419 [2021-10-11 00:25:55,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:25:55,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2021-10-11 00:25:55,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1419. [2021-10-11 00:25:55,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1419 states. [2021-10-11 00:25:55,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 1575 transitions. [2021-10-11 00:25:55,325 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 1575 transitions. Word has length 157 [2021-10-11 00:25:55,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:55,325 INFO L481 AbstractCegarLoop]: Abstraction has 1419 states and 1575 transitions. [2021-10-11 00:25:55,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:25:55,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1575 transitions. [2021-10-11 00:25:55,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-10-11 00:25:55,329 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:55,330 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:25:55,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:25:55,330 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:55,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:55,331 INFO L82 PathProgramCache]: Analyzing trace with hash -2074643235, now seen corresponding path program 1 times [2021-10-11 00:25:55,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:55,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555742008] [2021-10-11 00:25:55,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:55,404 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-11 00:25:55,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555742008] [2021-10-11 00:25:55,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:55,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:25:55,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042681134] [2021-10-11 00:25:55,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:25:55,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:55,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:25:55,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:25:55,406 INFO L87 Difference]: Start difference. First operand 1419 states and 1575 transitions. Second operand 3 states. [2021-10-11 00:25:55,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:55,930 INFO L93 Difference]: Finished difference Result 2695 states and 3004 transitions. [2021-10-11 00:25:55,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:25:55,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2021-10-11 00:25:55,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:55,937 INFO L225 Difference]: With dead ends: 2695 [2021-10-11 00:25:55,937 INFO L226 Difference]: Without dead ends: 1276 [2021-10-11 00:25:55,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:25:55,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2021-10-11 00:25:55,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1274. [2021-10-11 00:25:55,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1274 states. [2021-10-11 00:25:55,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1373 transitions. [2021-10-11 00:25:55,967 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1373 transitions. Word has length 161 [2021-10-11 00:25:55,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:55,967 INFO L481 AbstractCegarLoop]: Abstraction has 1274 states and 1373 transitions. [2021-10-11 00:25:55,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:25:55,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1373 transitions. [2021-10-11 00:25:55,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-10-11 00:25:55,971 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:55,972 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:55,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:25:55,972 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:55,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:55,973 INFO L82 PathProgramCache]: Analyzing trace with hash 363245587, now seen corresponding path program 1 times [2021-10-11 00:25:55,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:55,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247363967] [2021-10-11 00:25:55,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:56,093 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-11 00:25:56,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247363967] [2021-10-11 00:25:56,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:56,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:25:56,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680208127] [2021-10-11 00:25:56,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:25:56,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:56,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:25:56,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:25:56,096 INFO L87 Difference]: Start difference. First operand 1274 states and 1373 transitions. Second operand 3 states. [2021-10-11 00:25:56,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:56,582 INFO L93 Difference]: Finished difference Result 2825 states and 3062 transitions. [2021-10-11 00:25:56,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:25:56,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2021-10-11 00:25:56,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:56,593 INFO L225 Difference]: With dead ends: 2825 [2021-10-11 00:25:56,594 INFO L226 Difference]: Without dead ends: 1693 [2021-10-11 00:25:56,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:25:56,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2021-10-11 00:25:56,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1273. [2021-10-11 00:25:56,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1273 states. [2021-10-11 00:25:56,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1371 transitions. [2021-10-11 00:25:56,634 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 1371 transitions. Word has length 200 [2021-10-11 00:25:56,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:56,635 INFO L481 AbstractCegarLoop]: Abstraction has 1273 states and 1371 transitions. [2021-10-11 00:25:56,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:25:56,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1371 transitions. [2021-10-11 00:25:56,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-10-11 00:25:56,640 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:56,640 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:56,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:25:56,641 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:56,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:56,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1832106104, now seen corresponding path program 1 times [2021-10-11 00:25:56,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:56,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112121824] [2021-10-11 00:25:56,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:57,069 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:25:57,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112121824] [2021-10-11 00:25:57,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608116769] [2021-10-11 00:25:57,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ad718-3e6f-4359-9547-14fa85e58951/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 00:25:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:57,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:25:57,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:25:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-10-11 00:25:57,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:25:57,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-11 00:25:57,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992244885] [2021-10-11 00:25:57,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:25:57,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:57,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:25:57,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:25:57,453 INFO L87 Difference]: Start difference. First operand 1273 states and 1371 transitions. Second operand 3 states. [2021-10-11 00:25:57,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:57,993 INFO L93 Difference]: Finished difference Result 2683 states and 2907 transitions. [2021-10-11 00:25:57,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:25:57,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2021-10-11 00:25:57,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:57,994 INFO L225 Difference]: With dead ends: 2683 [2021-10-11 00:25:57,995 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:25:57,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:25:57,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:25:57,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:25:57,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:25:57,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:25:57,999 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2021-10-11 00:25:58,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:58,000 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:25:58,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:25:58,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:25:58,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:25:58,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-11 00:25:58,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:25:58,456 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2021-10-11 00:25:58,628 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2021-10-11 00:25:58,632 INFO L262 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,632 INFO L262 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,633 INFO L262 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,633 INFO L262 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-10-11 00:25:58,633 INFO L262 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-10-11 00:25:58,633 INFO L262 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-10-11 00:25:58,634 INFO L262 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2021-10-11 00:25:58,634 INFO L262 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2021-10-11 00:25:58,634 INFO L262 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2021-10-11 00:25:58,634 INFO L262 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-10-11 00:25:58,634 INFO L262 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-10-11 00:25:58,634 INFO L262 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,634 INFO L262 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,635 INFO L262 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,635 INFO L262 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-10-11 00:25:58,635 INFO L262 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2021-10-11 00:25:58,635 INFO L262 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2021-10-11 00:25:58,635 INFO L262 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2021-10-11 00:25:58,635 INFO L262 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-10-11 00:25:58,635 INFO L262 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,635 INFO L262 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,636 INFO L262 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,636 INFO L262 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-10-11 00:25:58,636 INFO L262 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-10-11 00:25:58,636 INFO L262 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-10-11 00:25:58,636 INFO L262 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2021-10-11 00:25:58,636 INFO L262 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2021-10-11 00:25:58,636 INFO L262 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2021-10-11 00:25:58,640 INFO L262 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-10-11 00:25:58,640 INFO L262 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-10-11 00:25:58,640 INFO L262 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-10-11 00:25:58,641 INFO L262 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-10-11 00:25:58,641 INFO L262 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,641 INFO L262 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,641 INFO L262 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,641 INFO L262 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-10-11 00:25:58,641 INFO L262 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2021-10-11 00:25:58,641 INFO L262 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2021-10-11 00:25:58,642 INFO L262 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2021-10-11 00:25:58,642 INFO L262 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-10-11 00:25:58,642 INFO L262 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-10-11 00:25:58,642 INFO L262 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-10-11 00:25:58,642 INFO L262 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,642 INFO L262 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,642 INFO L262 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,642 INFO L262 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-10-11 00:25:58,643 INFO L262 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2021-10-11 00:25:58,643 INFO L262 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2021-10-11 00:25:58,643 INFO L262 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2021-10-11 00:25:58,643 INFO L262 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-10-11 00:25:58,643 INFO L262 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-10-11 00:25:58,643 INFO L262 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-10-11 00:25:58,643 INFO L262 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,644 INFO L262 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,644 INFO L262 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,644 INFO L262 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-10-11 00:25:58,644 INFO L262 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2021-10-11 00:25:58,644 INFO L262 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2021-10-11 00:25:58,644 INFO L262 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-11 00:25:58,644 INFO L262 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-10-11 00:25:58,644 INFO L262 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,645 INFO L262 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,645 INFO L262 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,645 INFO L262 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-10-11 00:25:58,645 INFO L262 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-10-11 00:25:58,645 INFO L262 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2021-10-11 00:25:58,645 INFO L262 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2021-10-11 00:25:58,645 INFO L262 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2021-10-11 00:25:58,646 INFO L262 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-10-11 00:25:58,646 INFO L262 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-10-11 00:25:58,646 INFO L262 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-10-11 00:25:58,646 INFO L262 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,646 INFO L262 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,646 INFO L262 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,646 INFO L262 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-10-11 00:25:58,646 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:25:58,647 INFO L262 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2021-10-11 00:25:58,647 INFO L262 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2021-10-11 00:25:58,647 INFO L262 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2021-10-11 00:25:58,647 INFO L262 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-10-11 00:25:58,647 INFO L262 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-10-11 00:25:58,647 INFO L262 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-10-11 00:25:58,647 INFO L262 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-10-11 00:25:58,647 INFO L262 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,648 INFO L262 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,648 INFO L262 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,648 INFO L262 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-11 00:25:58,648 INFO L262 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-10-11 00:25:58,649 INFO L262 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-10-11 00:25:58,650 INFO L262 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-10-11 00:25:58,650 INFO L262 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2021-10-11 00:25:58,650 INFO L262 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2021-10-11 00:25:58,650 INFO L262 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-11 00:25:58,650 INFO L262 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-10-11 00:25:58,650 INFO L262 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-10-11 00:25:58,650 INFO L262 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,651 INFO L262 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,651 INFO L262 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,651 INFO L262 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-10-11 00:25:58,651 INFO L262 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2021-10-11 00:25:58,651 INFO L262 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2021-10-11 00:25:58,651 INFO L262 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2021-10-11 00:25:58,651 INFO L262 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-10-11 00:25:58,652 INFO L262 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-10-11 00:25:58,652 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:25:58,652 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 488) no Hoare annotation was computed. [2021-10-11 00:25:58,652 INFO L262 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,652 INFO L262 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,652 INFO L262 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,653 INFO L262 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-10-11 00:25:58,653 INFO L262 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-10-11 00:25:58,653 INFO L262 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2021-10-11 00:25:58,653 INFO L262 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2021-10-11 00:25:58,653 INFO L262 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2021-10-11 00:25:58,653 INFO L262 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-10-11 00:25:58,653 INFO L262 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-10-11 00:25:58,654 INFO L262 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-10-11 00:25:58,654 INFO L262 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,654 INFO L262 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,654 INFO L262 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,654 INFO L262 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2021-10-11 00:25:58,655 INFO L262 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2021-10-11 00:25:58,655 INFO L262 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-11 00:25:58,655 INFO L262 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-10-11 00:25:58,655 INFO L262 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-10-11 00:25:58,655 INFO L262 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,655 INFO L262 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,655 INFO L262 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,656 INFO L262 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-10-11 00:25:58,656 INFO L262 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2021-10-11 00:25:58,656 INFO L262 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2021-10-11 00:25:58,656 INFO L262 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2021-10-11 00:25:58,656 INFO L262 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-10-11 00:25:58,656 INFO L262 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-10-11 00:25:58,656 INFO L262 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-10-11 00:25:58,656 INFO L262 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-10-11 00:25:58,657 INFO L262 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-10-11 00:25:58,657 INFO L262 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-10-11 00:25:58,657 INFO L262 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-10-11 00:25:58,657 INFO L262 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,657 INFO L262 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,657 INFO L262 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-10-11 00:25:58,657 INFO L262 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-11 00:25:58,658 INFO L262 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2021-10-11 00:25:58,658 INFO L262 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2021-10-11 00:25:58,658 INFO L262 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-10-11 00:25:58,658 INFO L262 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-10-11 00:25:58,658 INFO L262 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-10-11 00:25:58,658 INFO L262 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-10-11 00:25:58,658 INFO L262 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-10-11 00:25:58,660 INFO L258 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1)) (.cse5 (not (= ~a11~0 1))) (.cse3 (= ~a19~0 1)) (.cse4 (<= 8 ~a17~0)) (.cse0 (<= ~a17~0 8)) (.cse1 (<= ~a28~0 10))) (or (and (= ~a25~0 0) .cse0 .cse1) (and (<= 9 ~a28~0) .cse2 .cse0 .cse1) (and (= ~a25~0 ~a11~0) .cse3 .cse2 (<= ~a28~0 7) .cse0) (and .cse3 .cse4 .cse2 .cse5 .cse0) (and .cse3 .cse4 .cse2 .cse0 .cse1) (and .cse4 .cse2 .cse5 .cse0 .cse1) (and .cse3 (<= 10 ~a28~0) .cse4 .cse0 .cse1))) [2021-10-11 00:25:58,661 INFO L262 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,661 INFO L262 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,661 INFO L262 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-10-11 00:25:58,661 INFO L262 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2021-10-11 00:25:58,661 INFO L262 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2021-10-11 00:25:58,661 INFO L262 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-10-11 00:25:58,661 INFO L262 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-10-11 00:25:58,662 INFO L262 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-10-11 00:25:58,662 INFO L265 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-10-11 00:25:58,662 INFO L262 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,662 INFO L262 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,662 INFO L262 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-10-11 00:25:58,662 INFO L262 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-11 00:25:58,662 INFO L262 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2021-10-11 00:25:58,662 INFO L262 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-10-11 00:25:58,663 INFO L262 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-10-11 00:25:58,663 INFO L262 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-10-11 00:25:58,663 INFO L262 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-10-11 00:25:58,663 INFO L262 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-10-11 00:25:58,663 INFO L262 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-10-11 00:25:58,663 INFO L262 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,663 INFO L262 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,663 INFO L262 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-10-11 00:25:58,663 INFO L262 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-10-11 00:25:58,663 INFO L262 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2021-10-11 00:25:58,663 INFO L262 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2021-10-11 00:25:58,663 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:25:58,663 INFO L262 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-11 00:25:58,663 INFO L262 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-10-11 00:25:58,664 INFO L258 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1)) (.cse5 (not (= ~a11~0 1))) (.cse3 (= ~a19~0 1)) (.cse4 (<= 8 ~a17~0)) (.cse0 (<= ~a17~0 8)) (.cse1 (<= ~a28~0 10))) (or (and (= ~a25~0 0) .cse0 .cse1) (and (<= 9 ~a28~0) .cse2 .cse0 .cse1) (and (= ~a25~0 ~a11~0) .cse3 .cse2 (<= ~a28~0 7) .cse0) (and .cse3 .cse4 .cse2 .cse5 .cse0) (and .cse3 .cse4 .cse2 .cse0 .cse1) (and .cse4 .cse2 .cse5 .cse0 .cse1) (and .cse3 (<= 10 ~a28~0) .cse4 .cse0 .cse1))) [2021-10-11 00:25:58,664 INFO L262 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,664 INFO L262 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,664 INFO L262 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-10-11 00:25:58,664 INFO L262 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2021-10-11 00:25:58,664 INFO L262 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2021-10-11 00:25:58,664 INFO L262 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-11 00:25:58,664 INFO L262 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-10-11 00:25:58,664 INFO L262 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,665 INFO L262 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,665 INFO L262 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2021-10-11 00:25:58,665 INFO L262 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2021-10-11 00:25:58,665 INFO L262 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-10-11 00:25:58,665 INFO L262 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-10-11 00:25:58,665 INFO L262 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-10-11 00:25:58,665 INFO L262 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2021-10-11 00:25:58,665 INFO L262 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-10-11 00:25:58,665 INFO L262 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-11 00:25:58,665 INFO L262 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-10-11 00:25:58,665 INFO L262 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,665 INFO L262 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,665 INFO L262 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-10-11 00:25:58,665 INFO L262 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,666 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:25:58,666 INFO L262 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2021-10-11 00:25:58,666 INFO L262 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2021-10-11 00:25:58,666 INFO L262 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2021-10-11 00:25:58,666 INFO L262 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-10-11 00:25:58,666 INFO L262 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-10-11 00:25:58,666 INFO L262 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-10-11 00:25:58,666 INFO L262 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,666 INFO L262 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,666 INFO L262 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,666 INFO L262 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2021-10-11 00:25:58,666 INFO L262 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2021-10-11 00:25:58,666 INFO L262 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2021-10-11 00:25:58,666 INFO L262 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-10-11 00:25:58,666 INFO L262 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-10-11 00:25:58,667 INFO L262 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,667 INFO L262 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,667 INFO L262 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:25:58,667 INFO L262 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-10-11 00:25:58,667 INFO L262 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2021-10-11 00:25:58,667 INFO L262 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2021-10-11 00:25:58,667 INFO L262 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-11 00:25:58,667 INFO L262 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-10-11 00:25:58,667 INFO L262 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-10-11 00:25:58,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:25:58 BoogieIcfgContainer [2021-10-11 00:25:58,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:25:58,689 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:25:58,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:25:58,690 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:25:58,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:48" (3/4) ... [2021-10-11 00:25:58,694 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:25:58,716 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:25:58,718 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:25:58,719 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:25:58,721 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:25:58,911 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ad718-3e6f-4359-9547-14fa85e58951/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:25:58,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:25:58,912 INFO L168 Benchmark]: Toolchain (without parser) took 13329.59 ms. Allocated memory was 83.9 MB in the beginning and 310.4 MB in the end (delta: 226.5 MB). Free memory was 47.9 MB in the beginning and 176.2 MB in the end (delta: -128.2 MB). Peak memory consumption was 97.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:58,913 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory was 55.9 MB in the beginning and 55.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:25:58,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.29 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 47.9 MB in the beginning and 64.9 MB in the end (delta: -17.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:58,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.78 ms. Allocated memory is still 104.9 MB. Free memory was 64.9 MB in the beginning and 59.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:58,914 INFO L168 Benchmark]: Boogie Preprocessor took 60.41 ms. Allocated memory is still 104.9 MB. Free memory was 59.5 MB in the beginning and 55.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:58,915 INFO L168 Benchmark]: RCFGBuilder took 1643.59 ms. Allocated memory is still 104.9 MB. Free memory was 55.3 MB in the beginning and 35.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:58,915 INFO L168 Benchmark]: TraceAbstraction took 10621.89 ms. Allocated memory was 104.9 MB in the beginning and 310.4 MB in the end (delta: 205.5 MB). Free memory was 35.5 MB in the beginning and 190.8 MB in the end (delta: -155.4 MB). Peak memory consumption was 50.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:58,916 INFO L168 Benchmark]: Witness Printer took 221.93 ms. Allocated memory is still 310.4 MB. Free memory was 190.8 MB in the beginning and 176.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:58,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory was 55.9 MB in the beginning and 55.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 681.29 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 47.9 MB in the beginning and 64.9 MB in the end (delta: -17.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.78 ms. Allocated memory is still 104.9 MB. Free memory was 64.9 MB in the beginning and 59.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.41 ms. Allocated memory is still 104.9 MB. Free memory was 59.5 MB in the beginning and 55.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1643.59 ms. Allocated memory is still 104.9 MB. Free memory was 55.3 MB in the beginning and 35.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10621.89 ms. Allocated memory was 104.9 MB in the beginning and 310.4 MB in the end (delta: 205.5 MB). Free memory was 35.5 MB in the beginning and 190.8 MB in the end (delta: -155.4 MB). Peak memory consumption was 50.5 MB. Max. memory is 16.1 GB. * Witness Printer took 221.93 ms. Allocated memory is still 310.4 MB. Free memory was 190.8 MB in the beginning and 176.2 MB in the end (delta: 14.7 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: 488]: 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((a25 == 0 && a17 <= 8) && a28 <= 10) || (((9 <= a28 && a25 == 1) && a17 <= 8) && a28 <= 10)) || ((((a25 == a11 && a19 == 1) && a25 == 1) && a28 <= 7) && a17 <= 8)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && !(a11 == 1)) && a17 <= 8)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && a17 <= 8) && a28 <= 10)) || ((((8 <= a17 && a25 == 1) && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((((a19 == 1 && 10 <= a28) && 8 <= a17) && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((a25 == 0 && a17 <= 8) && a28 <= 10) || (((9 <= a28 && a25 == 1) && a17 <= 8) && a28 <= 10)) || ((((a25 == a11 && a19 == 1) && a25 == 1) && a28 <= 7) && a17 <= 8)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && !(a11 == 1)) && a17 <= 8)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && a17 <= 8) && a28 <= 10)) || ((((8 <= a17 && a25 == 1) && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((((a19 == 1 && 10 <= a28) && 8 <= a17) && a17 <= 8) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.0s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 943 SDtfs, 1314 SDslu, 113 SDs, 0 SdLazy, 3333 SolverSat, 555 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 490 GetRequests, 473 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1565occurred 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 710 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 33 NumberOfFragments, 213 HoareAnnotationTreeSize, 3 FomulaSimplifications, 592 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1904 NumberOfCodeBlocks, 1904 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1891 ConstructedInterpolants, 0 QuantifiedInterpolants, 826886 SizeOfPredicates, 0 NumberOfNonLiveVariables, 933 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 794/858 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...