./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-sorted-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-sorted-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e45b14428dafe2f20aeac8c38d2592befc15b6791b0365935474ded4fd47d0f2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:49:06,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:49:06,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:49:06,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:49:06,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:49:06,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:49:06,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:49:06,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:49:06,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:49:06,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:49:06,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:49:06,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:49:06,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:49:06,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:49:06,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:49:06,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:49:06,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:49:06,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:49:06,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:49:06,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:49:06,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:49:06,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:49:06,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:49:06,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:49:06,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:49:06,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:49:06,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:49:06,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:49:06,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:49:06,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:49:06,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:49:06,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:49:06,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:49:06,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:49:06,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:49:06,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:49:06,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:49:06,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:49:06,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:49:06,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:49:06,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:49:06,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:49:06,336 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:49:06,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:49:06,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:49:06,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:49:06,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:49:06,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:49:06,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:49:06,340 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:49:06,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:49:06,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:49:06,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:49:06,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:49:06,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:49:06,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:49:06,349 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:49:06,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:49:06,349 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:49:06,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:49:06,350 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:49:06,350 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:49:06,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:49:06,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:49:06,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:49:06,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:49:06,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:49:06,351 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:49:06,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:49:06,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:49:06,352 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_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45b14428dafe2f20aeac8c38d2592befc15b6791b0365935474ded4fd47d0f2 [2021-10-29 03:49:06,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:49:06,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:49:06,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:49:06,710 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:49:06,711 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:49:06,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/forester-heap/sll-sorted-1.i [2021-10-29 03:49:06,788 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI/data/1b42b796e/4db54359c91e43eeba57d4c88529a87b/FLAG7ab0939d4 [2021-10-29 03:49:07,390 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:49:07,396 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/sv-benchmarks/c/forester-heap/sll-sorted-1.i [2021-10-29 03:49:07,422 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI/data/1b42b796e/4db54359c91e43eeba57d4c88529a87b/FLAG7ab0939d4 [2021-10-29 03:49:07,654 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI/data/1b42b796e/4db54359c91e43eeba57d4c88529a87b [2021-10-29 03:49:07,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:49:07,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:49:07,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:49:07,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:49:07,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:49:07,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:49:07" (1/1) ... [2021-10-29 03:49:07,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@598a3c53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:07, skipping insertion in model container [2021-10-29 03:49:07,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:49:07" (1/1) ... [2021-10-29 03:49:07,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:49:07,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:49:08,008 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22317,22330] [2021-10-29 03:49:08,014 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22547,22560] [2021-10-29 03:49:08,018 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22877,22890] [2021-10-29 03:49:08,019 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22941,22954] [2021-10-29 03:49:08,021 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/sv-benchmarks/c/forester-heap/sll-sorted-1.i[23072,23085] [2021-10-29 03:49:08,022 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/sv-benchmarks/c/forester-heap/sll-sorted-1.i[23136,23149] [2021-10-29 03:49:08,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:49:08,034 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:49:08,073 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22317,22330] [2021-10-29 03:49:08,076 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22547,22560] [2021-10-29 03:49:08,079 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22877,22890] [2021-10-29 03:49:08,080 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22941,22954] [2021-10-29 03:49:08,082 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/sv-benchmarks/c/forester-heap/sll-sorted-1.i[23072,23085] [2021-10-29 03:49:08,083 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/sv-benchmarks/c/forester-heap/sll-sorted-1.i[23136,23149] [2021-10-29 03:49:08,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:49:08,115 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:49:08,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:08 WrapperNode [2021-10-29 03:49:08,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:49:08,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:49:08,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:49:08,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:49:08,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:08" (1/1) ... [2021-10-29 03:49:08,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:08" (1/1) ... [2021-10-29 03:49:08,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:49:08,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:49:08,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:49:08,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:49:08,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:08" (1/1) ... [2021-10-29 03:49:08,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:08" (1/1) ... [2021-10-29 03:49:08,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:08" (1/1) ... [2021-10-29 03:49:08,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:08" (1/1) ... [2021-10-29 03:49:08,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:08" (1/1) ... [2021-10-29 03:49:08,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:08" (1/1) ... [2021-10-29 03:49:08,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:08" (1/1) ... [2021-10-29 03:49:08,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:49:08,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:49:08,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:49:08,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:49:08,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:08" (1/1) ... [2021-10-29 03:49:08,266 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:49:08,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:49:08,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:49:08,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:49:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 03:49:08,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 03:49:08,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:49:08,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 03:49:08,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:49:08,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 03:49:08,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:49:08,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:49:08,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:49:08,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:49:09,019 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:49:09,020 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-29 03:49:09,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:49:09 BoogieIcfgContainer [2021-10-29 03:49:09,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:49:09,024 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:49:09,024 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:49:09,034 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:49:09,035 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:49:09" (1/1) ... [2021-10-29 03:49:09,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:49:09,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:09,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2021-10-29 03:49:09,105 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2021-10-29 03:49:09,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:49:09,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:09,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:09,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:09,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2021-10-29 03:49:09,252 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2021-10-29 03:49:09,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:49:09,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:09,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:09,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:09,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2021-10-29 03:49:09,394 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2021-10-29 03:49:09,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:49:09,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:09,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:49:09,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2021-10-29 03:49:09,729 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2021-10-29 03:49:09,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:49:09,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:09,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:09,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:49:09,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:09,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2021-10-29 03:49:09,796 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2021-10-29 03:49:09,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:49:09,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:09,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:10,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:10,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 58 states and 89 transitions. [2021-10-29 03:49:10,968 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 89 transitions. [2021-10-29 03:49:10,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:49:10,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:10,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:11,634 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:13,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:13,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 68 states and 111 transitions. [2021-10-29 03:49:13,433 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 111 transitions. [2021-10-29 03:49:13,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:49:13,434 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:13,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:13,695 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:14,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:14,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2021-10-29 03:49:14,071 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2021-10-29 03:49:14,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:49:14,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:14,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:16,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:16,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 80 states and 138 transitions. [2021-10-29 03:49:16,574 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2021-10-29 03:49:16,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:49:16,575 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:16,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:16,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:49:16,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:16,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 80 states and 132 transitions. [2021-10-29 03:49:16,637 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 132 transitions. [2021-10-29 03:49:16,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:49:16,641 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:16,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:16,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:49:16,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:16,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 80 states and 127 transitions. [2021-10-29 03:49:16,693 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 127 transitions. [2021-10-29 03:49:16,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:49:16,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:16,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:17,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:19,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 95 states and 157 transitions. [2021-10-29 03:49:19,845 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 157 transitions. [2021-10-29 03:49:19,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:49:19,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:19,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:20,722 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:22,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 95 states and 150 transitions. [2021-10-29 03:49:22,187 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 150 transitions. [2021-10-29 03:49:22,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:49:22,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:22,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:22,544 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:23,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:23,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 97 states and 158 transitions. [2021-10-29 03:49:23,118 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 158 transitions. [2021-10-29 03:49:23,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:49:23,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:23,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:23,538 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:24,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:24,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 87 states and 124 transitions. [2021-10-29 03:49:24,153 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2021-10-29 03:49:24,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:49:24,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:24,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:24,750 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:26,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:26,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 95 states and 142 transitions. [2021-10-29 03:49:26,894 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2021-10-29 03:49:26,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:49:26,895 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:26,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:26,995 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:28,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:28,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 103 states and 156 transitions. [2021-10-29 03:49:28,998 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 156 transitions. [2021-10-29 03:49:28,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:49:28,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:28,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:30,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 106 states and 160 transitions. [2021-10-29 03:49:30,460 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 160 transitions. [2021-10-29 03:49:30,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:49:30,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:30,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:30,623 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:31,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 107 states and 160 transitions. [2021-10-29 03:49:31,554 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 160 transitions. [2021-10-29 03:49:31,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:49:31,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:31,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:32,054 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:35,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:35,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 114 states and 180 transitions. [2021-10-29 03:49:35,051 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 180 transitions. [2021-10-29 03:49:35,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:49:35,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:35,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:35,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:37,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:37,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 120 states and 189 transitions. [2021-10-29 03:49:37,002 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 189 transitions. [2021-10-29 03:49:37,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:49:37,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:37,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:37,070 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:38,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:38,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 125 states and 199 transitions. [2021-10-29 03:49:38,264 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 199 transitions. [2021-10-29 03:49:38,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:49:38,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:38,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:38,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:49:39,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:39,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 123 states and 197 transitions. [2021-10-29 03:49:39,661 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 197 transitions. [2021-10-29 03:49:39,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:49:39,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:39,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:40,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:41,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:41,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 123 states and 193 transitions. [2021-10-29 03:49:41,465 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2021-10-29 03:49:41,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:49:41,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:41,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:47,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:47,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 133 states and 214 transitions. [2021-10-29 03:49:47,813 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 214 transitions. [2021-10-29 03:49:47,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:49:47,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:47,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:49:50,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:50,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 140 states and 229 transitions. [2021-10-29 03:49:50,965 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 229 transitions. [2021-10-29 03:49:50,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:49:50,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:50,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:51,372 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:52,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:52,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 142 states and 236 transitions. [2021-10-29 03:49:52,302 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 236 transitions. [2021-10-29 03:49:52,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:49:52,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:52,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:53,364 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:49:57,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:57,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 133 states and 223 transitions. [2021-10-29 03:49:57,770 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 223 transitions. [2021-10-29 03:49:57,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:49:57,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:57,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:59,223 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:50:07,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:07,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 146 states and 258 transitions. [2021-10-29 03:50:07,501 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 258 transitions. [2021-10-29 03:50:07,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:50:07,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:07,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:07,634 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:50:08,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:08,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 147 states and 259 transitions. [2021-10-29 03:50:08,343 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 259 transitions. [2021-10-29 03:50:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:50:08,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:08,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:08,597 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:50:09,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:09,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 148 states and 261 transitions. [2021-10-29 03:50:09,389 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 261 transitions. [2021-10-29 03:50:09,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:50:09,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:09,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:09,745 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:50:12,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:12,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 153 states and 273 transitions. [2021-10-29 03:50:12,232 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 273 transitions. [2021-10-29 03:50:12,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:50:12,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:12,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:12,405 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:50:13,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:13,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 155 states and 283 transitions. [2021-10-29 03:50:13,258 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 283 transitions. [2021-10-29 03:50:13,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:50:13,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:13,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:13,345 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:50:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:14,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 157 states and 287 transitions. [2021-10-29 03:50:14,170 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 287 transitions. [2021-10-29 03:50:14,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:50:14,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:14,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:14,346 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:50:15,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:15,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 159 states and 300 transitions. [2021-10-29 03:50:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 300 transitions. [2021-10-29 03:50:15,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:50:15,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:15,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:50:17,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:17,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 161 states and 304 transitions. [2021-10-29 03:50:17,937 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 304 transitions. [2021-10-29 03:50:17,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:50:17,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:17,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:20,274 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:50:24,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:24,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 161 states and 300 transitions. [2021-10-29 03:50:24,676 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 300 transitions. [2021-10-29 03:50:24,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:50:24,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:24,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:24,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:50:27,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:27,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 165 states and 311 transitions. [2021-10-29 03:50:27,219 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 311 transitions. [2021-10-29 03:50:27,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:50:27,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:27,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:27,522 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:50:29,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:29,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 167 states and 319 transitions. [2021-10-29 03:50:29,745 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 319 transitions. [2021-10-29 03:50:29,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:50:29,746 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:29,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:29,782 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:50:31,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:31,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 170 states and 326 transitions. [2021-10-29 03:50:31,364 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 326 transitions. [2021-10-29 03:50:31,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:50:31,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:31,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:31,654 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:50:32,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:32,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 160 states and 296 transitions. [2021-10-29 03:50:32,782 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 296 transitions. [2021-10-29 03:50:32,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:50:32,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:32,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:34,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:50:42,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:42,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 169 states and 315 transitions. [2021-10-29 03:50:42,202 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 315 transitions. [2021-10-29 03:50:42,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:50:42,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:42,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:44,275 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:50:51,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:51,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 177 states and 329 transitions. [2021-10-29 03:50:51,462 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 329 transitions. [2021-10-29 03:50:51,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:50:51,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:51,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:53,533 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:50:56,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:56,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 179 states and 335 transitions. [2021-10-29 03:50:56,810 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 335 transitions. [2021-10-29 03:50:56,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:50:56,811 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:56,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:59,424 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:51:10,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:51:10,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 188 states and 372 transitions. [2021-10-29 03:51:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 372 transitions. [2021-10-29 03:51:10,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:51:10,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:51:10,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:51:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:51:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:51:18,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:51:18,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 196 states and 386 transitions. [2021-10-29 03:51:18,025 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 386 transitions. [2021-10-29 03:51:18,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:51:18,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:51:18,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:51:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:51:18,346 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:51:29,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:51:29,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 208 states and 412 transitions. [2021-10-29 03:51:29,850 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 412 transitions. [2021-10-29 03:51:29,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:51:29,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:51:29,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:51:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:51:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:51:34,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:51:34,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 209 states and 408 transitions. [2021-10-29 03:51:34,675 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 408 transitions. [2021-10-29 03:51:34,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:51:34,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:51:34,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:51:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:51:34,749 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:51:40,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:51:40,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 215 states and 417 transitions. [2021-10-29 03:51:40,964 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 417 transitions. [2021-10-29 03:51:40,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:51:40,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:51:40,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:51:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:51:43,128 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:51:48,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:51:48,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 218 states and 424 transitions. [2021-10-29 03:51:48,156 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 424 transitions. [2021-10-29 03:51:48,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:51:48,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:51:48,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:51:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:51:51,070 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:52:02,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:52:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 228 states and 451 transitions. [2021-10-29 03:52:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 451 transitions. [2021-10-29 03:52:02,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:52:02,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:52:02,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:52:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:52:02,187 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:52:05,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:52:05,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 231 states and 457 transitions. [2021-10-29 03:52:05,927 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 457 transitions. [2021-10-29 03:52:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:52:05,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:52:05,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:52:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:52:05,963 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:52:13,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:52:13,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 238 states and 480 transitions. [2021-10-29 03:52:13,775 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 480 transitions. [2021-10-29 03:52:13,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:52:13,776 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:52:13,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:52:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:52:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:52:16,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:52:16,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 240 states and 484 transitions. [2021-10-29 03:52:16,252 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 484 transitions. [2021-10-29 03:52:16,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:52:16,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:52:16,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:52:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:52:16,721 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:52:18,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:52:18,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 242 states and 491 transitions. [2021-10-29 03:52:18,706 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 491 transitions. [2021-10-29 03:52:18,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:52:18,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:52:18,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:52:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:52:18,741 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:52:19,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:52:19,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 243 states and 494 transitions. [2021-10-29 03:52:19,922 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 494 transitions. [2021-10-29 03:52:19,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:52:19,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:52:19,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:52:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:52:24,539 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:52:30,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:52:30,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 237 states and 482 transitions. [2021-10-29 03:52:30,483 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 482 transitions. [2021-10-29 03:52:30,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:52:30,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:52:30,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:52:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:52:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:52:45,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:52:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 247 states and 502 transitions. [2021-10-29 03:52:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 502 transitions. [2021-10-29 03:52:45,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:52:45,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:52:45,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:52:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:52:49,749 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:53:03,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:53:03,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 251 states and 519 transitions. [2021-10-29 03:53:03,257 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 519 transitions. [2021-10-29 03:53:03,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:53:03,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:53:03,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:53:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:53:03,524 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:53:12,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:53:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 255 states and 529 transitions. [2021-10-29 03:53:12,916 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 529 transitions. [2021-10-29 03:53:12,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:53:12,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:53:12,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:53:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:53:13,107 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:53:14,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:53:14,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 255 states and 528 transitions. [2021-10-29 03:53:14,795 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 528 transitions. [2021-10-29 03:53:14,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:53:14,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:53:14,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:53:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:53:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:53:26,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:53:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 257 states and 532 transitions. [2021-10-29 03:53:26,024 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 532 transitions. [2021-10-29 03:53:26,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:53:26,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:53:26,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:53:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:53:26,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:53:31,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:53:31,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 262 states and 540 transitions. [2021-10-29 03:53:31,711 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 540 transitions. [2021-10-29 03:53:31,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:53:31,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:53:31,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:53:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:53:31,971 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:53:41,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:53:41,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 268 states and 553 transitions. [2021-10-29 03:53:41,197 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 553 transitions. [2021-10-29 03:53:41,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:53:41,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:53:41,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:53:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:53:41,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:53:43,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:53:43,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 270 states and 559 transitions. [2021-10-29 03:53:43,919 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 559 transitions. [2021-10-29 03:53:43,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:53:43,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:53:43,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:53:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:53:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:53:52,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:53:52,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 278 states and 579 transitions. [2021-10-29 03:53:52,732 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 579 transitions. [2021-10-29 03:53:52,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:53:52,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:53:52,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:53:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:53:54,697 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:54:06,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:06,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 289 states and 599 transitions. [2021-10-29 03:54:06,474 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 599 transitions. [2021-10-29 03:54:06,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:54:06,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:06,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:06,510 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-29 03:54:14,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:14,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 294 states and 614 transitions. [2021-10-29 03:54:14,414 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 614 transitions. [2021-10-29 03:54:14,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:54:14,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:14,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:54:25,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:25,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 299 states and 628 transitions. [2021-10-29 03:54:25,209 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 628 transitions. [2021-10-29 03:54:25,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:54:25,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:25,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:32,366 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:54:41,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:41,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 301 states and 636 transitions. [2021-10-29 03:54:41,109 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 636 transitions. [2021-10-29 03:54:41,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:54:41,109 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:41,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:41,358 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:54:43,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:43,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 305 states and 648 transitions. [2021-10-29 03:54:43,712 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 648 transitions. [2021-10-29 03:54:43,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:54:43,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:43,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:46,702 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:55:01,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:55:01,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 311 states and 668 transitions. [2021-10-29 03:55:01,414 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 668 transitions. [2021-10-29 03:55:01,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:55:01,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:55:01,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:55:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:55:01,492 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:55:06,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:55:06,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 314 states and 677 transitions. [2021-10-29 03:55:06,620 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 677 transitions. [2021-10-29 03:55:06,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:55:06,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:55:06,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:55:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:55:07,553 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:55:13,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:55:13,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 316 states and 680 transitions. [2021-10-29 03:55:13,119 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 680 transitions. [2021-10-29 03:55:13,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:55:13,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:55:13,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:55:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:55:13,349 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:55:18,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:55:18,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 318 states and 684 transitions. [2021-10-29 03:55:18,897 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 684 transitions. [2021-10-29 03:55:18,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:55:18,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:55:18,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:55:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:55:18,931 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-29 03:55:32,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:55:32,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 325 states and 706 transitions. [2021-10-29 03:55:32,007 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 706 transitions. [2021-10-29 03:55:32,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:55:32,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:55:32,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:55:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:55:32,026 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:55:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:55:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:55:32,197 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:55:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:55:32,503 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 76 iterations. [2021-10-29 03:55:32,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:55:32 ImpRootNode [2021-10-29 03:55:32,571 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:55:32,572 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:55:32,572 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:55:32,573 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:55:32,573 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:49:09" (3/4) ... [2021-10-29 03:55:32,575 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:55:32,676 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:55:32,677 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:55:32,678 INFO L168 Benchmark]: Toolchain (without parser) took 385019.83 ms. Allocated memory was 90.2 MB in the beginning and 3.3 GB in the end (delta: 3.2 GB). Free memory was 58.3 MB in the beginning and 3.0 GB in the end (delta: -2.9 GB). Peak memory consumption was 223.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:55:32,679 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory is still 45.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:55:32,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.22 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 58.0 MB in the beginning and 87.9 MB in the end (delta: -29.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:55:32,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.67 ms. Allocated memory is still 119.5 MB. Free memory was 87.9 MB in the beginning and 85.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:55:32,680 INFO L168 Benchmark]: Boogie Preprocessor took 62.35 ms. Allocated memory is still 119.5 MB. Free memory was 85.6 MB in the beginning and 83.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:55:32,682 INFO L168 Benchmark]: RCFGBuilder took 767.55 ms. Allocated memory is still 119.5 MB. Free memory was 83.7 MB in the beginning and 58.0 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:55:32,682 INFO L168 Benchmark]: CodeCheck took 383547.72 ms. Allocated memory was 119.5 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 58.0 MB in the beginning and 3.0 GB in the end (delta: -2.9 GB). Peak memory consumption was 194.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:55:32,683 INFO L168 Benchmark]: Witness Printer took 104.91 ms. Allocated memory is still 3.3 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:55:32,685 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 44 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 383.4s, OverallIterations: 76, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2048 SDtfs, 1976014346 SDslu, -326226984 SDs, 0 SdLazy, 1075487190 SolverSat, 280390264 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 205.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18821 GetRequests, 16682 SyntacticMatches, 829 SemanticMatches, 1310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 953633 ImplicationChecksByTransitivity, 361.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 65.5s InterpolantComputationTime, 1756 NumberOfCodeBlocks, 1756 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 1653 ConstructedInterpolants, 0 QuantifiedInterpolants, 60537 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 75 InterpolantComputations, 16 PerfectInterpolantSequences, 126/856 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1062]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L996] SLL* head = malloc(sizeof(SLL)); [L997] head->next = ((void*)0) [L998] head->data = 0 [L1000] SLL* x = head; [L1001] int marked = 0; [L1004] COND TRUE __VERIFIER_nondet_int() || !marked [L1007] x->next = malloc(sizeof(SLL)) [L1008] EXPR x->next [L1008] x = x->next [L1009] x->next = ((void*)0) [L1011] COND TRUE __VERIFIER_nondet_int() [L1013] marked = 1 [L1016] COND TRUE \read(marked) [L1017] x->data = 1 [L1004] COND FALSE !(__VERIFIER_nondet_int() || !marked) [L1022] x = head [L1024] COND FALSE !(!(((void*)0) != x)) [L1025] marked = 0 [L1027] EXPR x->next [L1027] x->next != ((void*)0) && x->next->data == 0 [L1027] EXPR x->next [L1027] EXPR x->next->data [L1027] x->next != ((void*)0) && x->next->data == 0 [L1027] COND FALSE !(x->next != ((void*)0) && x->next->data == 0) [L1032] EXPR x->next [L1032] x->next != ((void*)0) && __VERIFIER_nondet_int() [L1032] x->next != ((void*)0) && __VERIFIER_nondet_int() [L1032] COND FALSE !(x->next != ((void*)0) && __VERIFIER_nondet_int()) [L1038] SLL* tmp = malloc(sizeof(SLL)); [L1039] tmp->data = 1 [L1040] tmp->next = ((void*)0) [L1041] EXPR x->next [L1041] COND FALSE !(x->next == ((void*)0)) [L1045] EXPR x->next [L1045] tmp->next = x->next [L1046] x->next = tmp [L1049] marked = 0 [L1050] x = head [L1052] x != ((void*)0) && x->data != 1 [L1052] EXPR x->data [L1052] x != ((void*)0) && x->data != 1 [L1052] COND TRUE x != ((void*)0) && x->data != 1 [L1054] EXPR x->data [L1054] marked = x->data [L1055] EXPR x->data [L1055] COND FALSE !(!(x->data == 0)) [L1056] COND FALSE !(!(marked == 0)) [L1057] EXPR x->next [L1057] x = x->next [L1052] x != ((void*)0) && x->data != 1 [L1052] EXPR x->data [L1052] x != ((void*)0) && x->data != 1 [L1052] COND FALSE !(x != ((void*)0) && x->data != 1) [L1059] COND TRUE x != ((void*)0) [L1061] EXPR x->data [L1061] marked = x->data [L1062] EXPR x->data [L1062] COND TRUE !(x->data != 1) [L1062] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory is still 45.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 444.22 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 58.0 MB in the beginning and 87.9 MB in the end (delta: -29.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.67 ms. Allocated memory is still 119.5 MB. Free memory was 87.9 MB in the beginning and 85.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.35 ms. Allocated memory is still 119.5 MB. Free memory was 85.6 MB in the beginning and 83.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 767.55 ms. Allocated memory is still 119.5 MB. Free memory was 83.7 MB in the beginning and 58.0 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * CodeCheck took 383547.72 ms. Allocated memory was 119.5 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 58.0 MB in the beginning and 3.0 GB in the end (delta: -2.9 GB). Peak memory consumption was 194.4 MB. Max. memory is 16.1 GB. * Witness Printer took 104.91 ms. Allocated memory is still 3.3 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:55:32,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f339d434-f6c9-4988-9d71-2ff8d70fb39f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...