./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.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_aabc3d52-2e92-4477-9571-29dd6edff45f/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc3d52-2e92-4477-9571-29dd6edff45f/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_aabc3d52-2e92-4477-9571-29dd6edff45f/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc3d52-2e92-4477-9571-29dd6edff45f/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc3d52-2e92-4477-9571-29dd6edff45f/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_aabc3d52-2e92-4477-9571-29dd6edff45f/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 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:03:40,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:03:40,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:03:40,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:03:40,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:03:40,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:03:40,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:03:40,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:03:40,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:03:40,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:03:40,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:03:40,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:03:40,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:03:40,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:03:40,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:03:40,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:03:40,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:03:40,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:03:40,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:03:40,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:03:40,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:03:40,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:03:40,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:03:40,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:03:40,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:03:40,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:03:40,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:03:40,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:03:40,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:03:40,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:03:40,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:03:40,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:03:40,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:03:40,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:03:40,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:03:40,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:03:40,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:03:40,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:03:40,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:03:40,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:03:40,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:03:40,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc3d52-2e92-4477-9571-29dd6edff45f/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:03:40,654 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:03:40,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:03:40,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:03:40,656 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:03:40,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:03:40,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:03:40,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:03:40,658 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:03:40,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:03:40,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:03:40,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:03:40,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:03:40,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:03:40,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:03:40,666 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:03:40,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:03:40,666 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:03:40,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:03:40,667 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:03:40,667 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:03:40,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:03:40,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:03:40,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:03:40,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:03:40,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:03:40,668 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:03:40,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:03:40,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:03:40,669 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_aabc3d52-2e92-4477-9571-29dd6edff45f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc3d52-2e92-4477-9571-29dd6edff45f/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f [2021-10-29 04:03:40,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:03:40,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:03:40,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:03:40,957 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:03:40,957 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:03:40,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc3d52-2e92-4477-9571-29dd6edff45f/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2021-10-29 04:03:41,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc3d52-2e92-4477-9571-29dd6edff45f/bin/ukojak-Rh5K9KB4LI/data/614e6530f/a6df1a1a889a4ee2af124a9551e3c541/FLAGb629563fe [2021-10-29 04:03:41,690 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:03:41,690 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc3d52-2e92-4477-9571-29dd6edff45f/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2021-10-29 04:03:41,716 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc3d52-2e92-4477-9571-29dd6edff45f/bin/ukojak-Rh5K9KB4LI/data/614e6530f/a6df1a1a889a4ee2af124a9551e3c541/FLAGb629563fe [2021-10-29 04:03:41,969 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc3d52-2e92-4477-9571-29dd6edff45f/bin/ukojak-Rh5K9KB4LI/data/614e6530f/a6df1a1a889a4ee2af124a9551e3c541 [2021-10-29 04:03:41,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:03:41,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:03:41,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:03:41,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:03:41,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:03:41,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:03:41" (1/1) ... [2021-10-29 04:03:41,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14205473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:41, skipping insertion in model container [2021-10-29 04:03:41,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:03:41" (1/1) ... [2021-10-29 04:03:41,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:03:42,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:03:42,496 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_aabc3d52-2e92-4477-9571-29dd6edff45f/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26271,26284] [2021-10-29 04:03:42,500 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_aabc3d52-2e92-4477-9571-29dd6edff45f/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26396,26409] [2021-10-29 04:03:42,502 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_aabc3d52-2e92-4477-9571-29dd6edff45f/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26511,26524] [2021-10-29 04:03:42,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:03:42,535 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:03:42,578 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_aabc3d52-2e92-4477-9571-29dd6edff45f/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26271,26284] [2021-10-29 04:03:42,579 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_aabc3d52-2e92-4477-9571-29dd6edff45f/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26396,26409] [2021-10-29 04:03:42,596 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_aabc3d52-2e92-4477-9571-29dd6edff45f/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26511,26524] [2021-10-29 04:03:42,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:03:42,638 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:03:42,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42 WrapperNode [2021-10-29 04:03:42,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:03:42,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:03:42,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:03:42,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:03:42,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:42,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:42,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:03:42,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:03:42,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:03:42,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:03:42,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:42,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:42,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:42,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:42,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:42,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:42,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:42,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:03:42,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:03:42,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:03:42,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:03:42,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:42" (1/1) ... [2021-10-29 04:03:42,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:03:42,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc3d52-2e92-4477-9571-29dd6edff45f/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:03:42,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc3d52-2e92-4477-9571-29dd6edff45f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:03:42,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc3d52-2e92-4477-9571-29dd6edff45f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:03:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-29 04:03:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-29 04:03:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-29 04:03:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-29 04:03:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:03:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 04:03:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:03:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2021-10-29 04:03:42,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2021-10-29 04:03:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 04:03:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:03:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-29 04:03:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-29 04:03:42,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-29 04:03:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:03:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2021-10-29 04:03:42,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2021-10-29 04:03:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:03:42,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:03:43,587 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:03:43,587 INFO L299 CfgBuilder]: Removed 31 assume(true) statements. [2021-10-29 04:03:43,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:03:43 BoogieIcfgContainer [2021-10-29 04:03:43,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:03:43,591 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:03:43,591 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:03:43,602 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:03:43,602 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:03:43" (1/1) ... [2021-10-29 04:03:43,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:03:43,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:43,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2021-10-29 04:03:43,644 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2021-10-29 04:03:43,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:03:43,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:43,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:43,847 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 04:03:43,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:43,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2021-10-29 04:03:43,903 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2021-10-29 04:03:43,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:03:43,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:43,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:43,991 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 04:03:44,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:44,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2021-10-29 04:03:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2021-10-29 04:03:44,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:03:44,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:44,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:44,217 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 04:03:44,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2021-10-29 04:03:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2021-10-29 04:03:44,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:03:44,482 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:44,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:44,596 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 04:03:44,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:44,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2021-10-29 04:03:44,801 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-10-29 04:03:44,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:03:44,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:44,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:03:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:46,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 72 states and 105 transitions. [2021-10-29 04:03:46,160 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2021-10-29 04:03:46,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 04:03:46,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:46,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:48,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:03:57,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:57,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 131 transitions. [2021-10-29 04:03:57,075 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 131 transitions. [2021-10-29 04:03:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:03:57,076 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:57,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:58,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:03:59,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:59,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 84 states and 138 transitions. [2021-10-29 04:03:59,833 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 138 transitions. [2021-10-29 04:03:59,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 04:03:59,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:59,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:04:00,676 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:04:01,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:01,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 81 states and 131 transitions. [2021-10-29 04:04:01,518 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 131 transitions. [2021-10-29 04:04:01,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 04:04:01,520 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:04:01,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:04:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:04:01,704 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:04:05,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:05,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 88 states and 154 transitions. [2021-10-29 04:04:05,347 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 154 transitions. [2021-10-29 04:04:05,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 04:04:05,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:04:05,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:04:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:04:09,063 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:04:14,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:14,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 96 states and 179 transitions. [2021-10-29 04:04:14,226 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 179 transitions. [2021-10-29 04:04:14,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 04:04:14,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:04:14,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:04:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:04:17,026 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:04:17,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:17,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 97 states and 182 transitions. [2021-10-29 04:04:17,671 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 182 transitions. [2021-10-29 04:04:17,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 04:04:17,674 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:04:17,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:04:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:04:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 04:04:18,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:18,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 99 states and 183 transitions. [2021-10-29 04:04:18,049 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 183 transitions. [2021-10-29 04:04:18,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 04:04:18,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:04:18,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:04:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:04:22,109 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:04:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:28,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 114 states and 216 transitions. [2021-10-29 04:04:28,711 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 216 transitions. [2021-10-29 04:04:28,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 04:04:28,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:04:28,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:04:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:04:28,800 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-29 04:04:30,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:30,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 117 states and 223 transitions. [2021-10-29 04:04:30,879 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 223 transitions. [2021-10-29 04:04:30,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 04:04:30,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:04:30,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:04:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:04:30,939 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-29 04:04:31,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:31,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 118 states and 224 transitions. [2021-10-29 04:04:31,527 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 224 transitions. [2021-10-29 04:04:31,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-29 04:04:31,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:04:31,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:04:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:04:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 04:05:07,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:07,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 133 states and 260 transitions. [2021-10-29 04:05:07,750 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 260 transitions. [2021-10-29 04:05:07,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-29 04:05:07,752 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:07,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 04:05:39,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:39,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 145 states and 288 transitions. [2021-10-29 04:05:39,794 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 288 transitions. [2021-10-29 04:05:39,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-29 04:05:39,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:39,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-29 04:05:48,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:48,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 116 states and 196 transitions. [2021-10-29 04:05:48,943 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 196 transitions. [2021-10-29 04:05:48,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-29 04:05:48,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:48,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:05:49,045 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:05:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:05:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:05:49,991 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:05:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:05:50,232 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2021-10-29 04:05:50,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:05:50 ImpRootNode [2021-10-29 04:05:50,327 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:05:50,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:05:50,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:05:50,328 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:05:50,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:03:43" (3/4) ... [2021-10-29 04:05:50,340 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:05:50,471 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc3d52-2e92-4477-9571-29dd6edff45f/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:05:50,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:05:50,475 INFO L168 Benchmark]: Toolchain (without parser) took 128498.74 ms. Allocated memory was 90.2 MB in the beginning and 488.6 MB in the end (delta: 398.5 MB). Free memory was 53.2 MB in the beginning and 296.9 MB in the end (delta: -243.7 MB). Peak memory consumption was 154.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:50,475 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory was 71.1 MB in the beginning and 71.0 MB in the end (delta: 68.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:05:50,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.50 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.8 MB in the beginning and 76.0 MB in the end (delta: -23.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:50,479 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.09 ms. Allocated memory is still 109.1 MB. Free memory was 76.0 MB in the beginning and 73.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:50,479 INFO L168 Benchmark]: Boogie Preprocessor took 40.79 ms. Allocated memory is still 109.1 MB. Free memory was 73.4 MB in the beginning and 71.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:50,480 INFO L168 Benchmark]: RCFGBuilder took 851.65 ms. Allocated memory is still 109.1 MB. Free memory was 71.1 MB in the beginning and 84.5 MB in the end (delta: -13.3 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:50,480 INFO L168 Benchmark]: CodeCheck took 126736.70 ms. Allocated memory was 109.1 MB in the beginning and 488.6 MB in the end (delta: 379.6 MB). Free memory was 84.5 MB in the beginning and 302.1 MB in the end (delta: -217.7 MB). Peak memory consumption was 161.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:50,481 INFO L168 Benchmark]: Witness Printer took 143.60 ms. Allocated memory is still 488.6 MB. Free memory was 302.1 MB in the beginning and 296.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:50,483 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 6 procedures, 53 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 126.6s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3818944 SDtfs, 1366812 SDslu, 1100296 SDs, 0 SdLazy, 7406418 SolverSat, 2307518 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7768 GetRequests, 7144 SyntacticMatches, 200 SemanticMatches, 424 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77714 ImplicationChecksByTransitivity, 110.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 28.1s InterpolantComputationTime, 611 NumberOfCodeBlocks, 611 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 543 ConstructedInterpolants, 0 QuantifiedInterpolants, 31789 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 5 PerfectInterpolantSequences, 137/227 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: 681]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L669] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; [L687] struct ldv_list_head drvlist = { &(drvlist), &(drvlist) }; [L691] int i; [L692] int N = __VERIFIER_nondet_int(); [L693] i=0 VAL [drvlist={3:0}, mutexes={2:0}] [L693] COND TRUE ilist, &drvlist) VAL [drvlist={3:0}, head={3:0}, mutexes={2:0}, new={-2:8}] [L612] EXPR head->next VAL [drvlist={3:0}, head={3:0}, head={3:0}, head->next={3:0}, mutexes={2:0}, new={-2:8}, new={-2:8}] [L612] CALL __ldv_list_add(new, head, head->next) VAL [drvlist={3:0}, mutexes={2:0}, new={-2:8}, next={3:0}, prev={3:0}] [L600] next->prev = new [L601] new->next = next [L602] new->prev = prev [L603] prev->next = new [L612] RET __ldv_list_add(new, head, head->next) VAL [drvlist={3:0}, head={3:0}, head={3:0}, head->next={3:0}, mutexes={2:0}, new={-2:8}, new={-2:8}] [L695] RET ldv_list_add(&me->list, &drvlist) VAL [drvlist={3:0}, mutexes={2:0}] [L693] i++ VAL [drvlist={3:0}, mutexes={2:0}] [L693] COND FALSE !(inext [L698] const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); [L698] me = ({ const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); (typeof(*me) *)( (char *)__mptr - ((size_t) &((typeof(*me) *)0)->list) );}) VAL [drvlist={3:0}, mutexes={2:0}] [L698] COND TRUE &me->list != (&drvlist) [L673] CALL ldv_is_in_set(m, &mutexes) VAL [drvlist={3:0}, e={-2:0}, mutexes={2:0}, s={2:0}] [L658] struct ldv_list_element *m; [L659] EXPR (s)->next [L659] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L659] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={2:0}, drvlist={3:0}, e={-2:0}, e={-2:0}, m={2:-4}, mutexes={2:0}, s={2:0}, s={2:0}] [L659] COND FALSE !(&m->list != (s)) [L664] return 0; VAL [\result=0, __mptr={2:0}, drvlist={3:0}, e={-2:0}, e={-2:0}, m={2:-4}, mutexes={2:0}, s={2:0}, s={2:0}] [L673] RET ldv_is_in_set(m, &mutexes) VAL [drvlist={3:0}, mutexes={2:0}] [L673] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L640] CALL, EXPR ldv_is_in_set(new, s) VAL [drvlist={3:0}, e={-2:0}, mutexes={2:0}, s={2:0}] [L658] struct ldv_list_element *m; [L659] EXPR (s)->next [L659] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L659] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={2:0}, drvlist={3:0}, e={-2:0}, e={-2:0}, m={2:-4}, mutexes={2:0}, s={2:0}, s={2:0}] [L659] COND FALSE !(&m->list != (s)) [L664] return 0; VAL [\result=0, __mptr={2:0}, drvlist={3:0}, e={-2:0}, e={-2:0}, m={2:-4}, mutexes={2:0}, s={2:0}, s={2:0}] [L640] RET, EXPR ldv_is_in_set(new, s) VAL [drvlist={3:0}, mutexes={2:0}] [L640] COND TRUE !ldv_is_in_set(new, s) [L641] struct ldv_list_element *le; VAL [drvlist={3:0}, mutexes={2:0}] [L642] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [drvlist={3:0}, mutexes={2:0}] [L580] void *ptr = malloc(size); [L569] COND FALSE !(!cond) [L582] return ptr; [L642] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [drvlist={3:0}, mutexes={2:0}] [L642] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L643] le->e = new VAL [drvlist={3:0}, mutexes={2:0}] [L644] CALL ldv_list_add(&le->list, s) VAL [drvlist={3:0}, head={2:0}, mutexes={2:0}, new={-1:4}] [L612] EXPR head->next VAL [drvlist={3:0}, head={2:0}, head={2:0}, head->next={2:0}, mutexes={2:0}, new={-1:4}, new={-1:4}] [L612] CALL __ldv_list_add(new, head, head->next) VAL [drvlist={3:0}, mutexes={2:0}, new={-1:4}, next={2:0}, prev={2:0}] [L600] next->prev = new [L601] new->next = next [L602] new->prev = prev [L603] prev->next = new [L612] RET __ldv_list_add(new, head, head->next) VAL [drvlist={3:0}, head={2:0}, head={2:0}, head->next={2:0}, mutexes={2:0}, new={-1:4}, new={-1:4}] [L644] RET ldv_list_add(&le->list, s) VAL [drvlist={3:0}, mutexes={2:0}] [L700] CALL ldv_list_del(&me->list) VAL [drvlist={3:0}, mutexes={2:0}] [L620] entry->prev [L620] entry->next [L607] next->prev = prev [L608] prev->next = next [L700] RET ldv_list_del(&me->list) VAL [drvlist={3:0}, mutexes={2:0}] [L698] EXPR (me)->list.next [L698] const typeof( ((typeof(*(me)) *)0)->list ) *__mptr = ((me)->list.next); [L698] me = ({ const typeof( ((typeof(*(me)) *)0)->list ) *__mptr = ((me)->list.next); (typeof(*(me)) *)( (char *)__mptr - ((size_t) &((typeof(*(me)) *)0)->list) );}) VAL [drvlist={3:0}, mutexes={2:0}] [L698] COND FALSE !(&me->list != (&drvlist)) [L702] EXPR (&drvlist)->next [L702] const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); [L702] me = ({ const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); (typeof(*me) *)( (char *)__mptr - ((size_t) &((typeof(*me) *)0)->list) );}) VAL [drvlist={3:0}, mutexes={2:0}] [L702] COND FALSE !(&me->list != (&drvlist)) [L624] EXPR head->next [L624] return head->next == head; [L667] return ldv_list_empty(s); [L681] COND TRUE !ldv_set_empty(&mutexes) [L681] reach_error() VAL [drvlist={3:0}, mutexes={2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory was 71.1 MB in the beginning and 71.0 MB in the end (delta: 68.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 661.50 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.8 MB in the beginning and 76.0 MB in the end (delta: -23.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.09 ms. Allocated memory is still 109.1 MB. Free memory was 76.0 MB in the beginning and 73.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.79 ms. Allocated memory is still 109.1 MB. Free memory was 73.4 MB in the beginning and 71.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 851.65 ms. Allocated memory is still 109.1 MB. Free memory was 71.1 MB in the beginning and 84.5 MB in the end (delta: -13.3 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. * CodeCheck took 126736.70 ms. Allocated memory was 109.1 MB in the beginning and 488.6 MB in the end (delta: 379.6 MB). Free memory was 84.5 MB in the beginning and 302.1 MB in the end (delta: -217.7 MB). Peak memory consumption was 161.0 MB. Max. memory is 16.1 GB. * Witness Printer took 143.60 ms. Allocated memory is still 488.6 MB. Free memory was 302.1 MB in the beginning and 296.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 04:05:50,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabc3d52-2e92-4477-9571-29dd6edff45f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...