./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7f21d9-c0b6-481a-9b59-749d7ff65653/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7f21d9-c0b6-481a-9b59-749d7ff65653/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7f21d9-c0b6-481a-9b59-749d7ff65653/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7f21d9-c0b6-481a-9b59-749d7ff65653/bin/ukojak-rkRKPMF4O4/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_cd7f21d9-c0b6-481a-9b59-749d7ff65653/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7f21d9-c0b6-481a-9b59-749d7ff65653/bin/ukojak-rkRKPMF4O4 --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 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 00:07:41,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:07:41,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:07:41,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:07:41,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:07:41,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:07:41,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:07:41,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:07:41,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:07:41,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:07:41,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:07:41,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:07:41,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:07:41,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:07:41,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:07:41,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:07:41,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:07:41,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:07:41,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:07:41,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:07:41,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:07:41,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:07:41,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:07:41,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:07:41,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:07:41,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:07:41,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:07:41,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:07:41,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:07:41,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:07:41,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:07:41,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:07:41,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:07:41,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:07:41,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:07:41,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:07:41,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:07:41,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:07:41,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:07:41,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:07:41,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:07:41,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7f21d9-c0b6-481a-9b59-749d7ff65653/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 00:07:41,628 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:07:41,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:07:41,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:07:41,629 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:07:41,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:07:41,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:07:41,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:07:41,630 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:07:41,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:07:41,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:07:41,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:07:41,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:07:41,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:07:41,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:07:41,631 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:07:41,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:07:41,632 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:07:41,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:07:41,632 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:07:41,632 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:07:41,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:07:41,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:07:41,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:07:41,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:07:41,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:07:41,633 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:07:41,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:07:41,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:07:41,634 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_cd7f21d9-c0b6-481a-9b59-749d7ff65653/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7f21d9-c0b6-481a-9b59-749d7ff65653/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f [2022-12-15 00:07:41,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:07:41,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:07:41,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:07:41,856 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:07:41,857 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:07:41,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7f21d9-c0b6-481a-9b59-749d7ff65653/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2022-12-15 00:07:44,421 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:07:44,656 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:07:44,656 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7f21d9-c0b6-481a-9b59-749d7ff65653/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2022-12-15 00:07:44,667 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7f21d9-c0b6-481a-9b59-749d7ff65653/bin/ukojak-rkRKPMF4O4/data/47d98dd8e/5863130dbbff4f3ab793489a091aba04/FLAG26aa82419 [2022-12-15 00:07:44,681 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7f21d9-c0b6-481a-9b59-749d7ff65653/bin/ukojak-rkRKPMF4O4/data/47d98dd8e/5863130dbbff4f3ab793489a091aba04 [2022-12-15 00:07:44,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:07:44,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:07:44,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:07:44,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:07:44,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:07:44,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:07:44" (1/1) ... [2022-12-15 00:07:44,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64eda383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:07:44, skipping insertion in model container [2022-12-15 00:07:44,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:07:44" (1/1) ... [2022-12-15 00:07:44,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:07:44,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:07:44,951 WARN L237 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_cd7f21d9-c0b6-481a-9b59-749d7ff65653/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26271,26284] [2022-12-15 00:07:44,956 WARN L237 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_cd7f21d9-c0b6-481a-9b59-749d7ff65653/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26396,26409] [2022-12-15 00:07:44,958 WARN L237 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_cd7f21d9-c0b6-481a-9b59-749d7ff65653/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26511,26524] [2022-12-15 00:07:44,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:07:44,977 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:07:45,010 WARN L237 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_cd7f21d9-c0b6-481a-9b59-749d7ff65653/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26271,26284] [2022-12-15 00:07:45,011 WARN L237 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_cd7f21d9-c0b6-481a-9b59-749d7ff65653/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26396,26409] [2022-12-15 00:07:45,012 WARN L237 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_cd7f21d9-c0b6-481a-9b59-749d7ff65653/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26511,26524] [2022-12-15 00:07:45,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:07:45,038 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:07:45,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:07:45 WrapperNode [2022-12-15 00:07:45,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:07:45,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:07:45,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:07:45,039 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:07:45,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:07:45" (1/1) ... [2022-12-15 00:07:45,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:07:45" (1/1) ... [2022-12-15 00:07:45,074 INFO L138 Inliner]: procedures = 142, calls = 63, calls flagged for inlining = 14, calls inlined = 13, statements flattened = 162 [2022-12-15 00:07:45,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:07:45,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:07:45,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:07:45,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:07:45,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:07:45" (1/1) ... [2022-12-15 00:07:45,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:07:45" (1/1) ... [2022-12-15 00:07:45,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:07:45" (1/1) ... [2022-12-15 00:07:45,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:07:45" (1/1) ... [2022-12-15 00:07:45,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:07:45" (1/1) ... [2022-12-15 00:07:45,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:07:45" (1/1) ... [2022-12-15 00:07:45,097 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:07:45" (1/1) ... [2022-12-15 00:07:45,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:07:45" (1/1) ... [2022-12-15 00:07:45,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:07:45,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:07:45,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:07:45,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:07:45,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:07:45" (1/1) ... [2022-12-15 00:07:45,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:07:45,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7f21d9-c0b6-481a-9b59-749d7ff65653/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:07:45,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7f21d9-c0b6-481a-9b59-749d7ff65653/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:07:45,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7f21d9-c0b6-481a-9b59-749d7ff65653/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:07:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2022-12-15 00:07:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2022-12-15 00:07:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2022-12-15 00:07:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2022-12-15 00:07:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 00:07:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:07:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-15 00:07:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2022-12-15 00:07:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2022-12-15 00:07:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-15 00:07:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:07:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-15 00:07:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2022-12-15 00:07:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2022-12-15 00:07:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:07:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2022-12-15 00:07:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2022-12-15 00:07:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:07:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:07:45,264 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:07:45,266 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:07:45,473 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:07:45,532 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:07:45,533 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-15 00:07:45,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:07:45 BoogieIcfgContainer [2022-12-15 00:07:45,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:07:45,536 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:07:45,536 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:07:45,545 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:07:45,545 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:07:45" (1/1) ... [2022-12-15 00:07:45,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:07:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:45,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2022-12-15 00:07:45,589 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-12-15 00:07:45,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:07:45,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:45,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:45,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:07:45,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:45,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2022-12-15 00:07:45,921 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-12-15 00:07:45,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:07:45,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:45,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:45,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:07:45,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:46,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2022-12-15 00:07:46,000 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-12-15 00:07:46,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:07:46,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:46,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:46,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:07:46,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:46,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 64 states and 86 transitions. [2022-12-15 00:07:46,304 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2022-12-15 00:07:46,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:07:46,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:46,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:07:46,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:46,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2022-12-15 00:07:46,524 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2022-12-15 00:07:46,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 00:07:46,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:46,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:47,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:07:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:47,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 73 states and 106 transitions. [2022-12-15 00:07:47,614 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 106 transitions. [2022-12-15 00:07:47,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:07:47,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:47,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:50,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:07:58,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:58,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 85 states and 139 transitions. [2022-12-15 00:07:58,331 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 139 transitions. [2022-12-15 00:07:58,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 00:07:58,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:58,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:59,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:08:00,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:08:00,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 87 states and 146 transitions. [2022-12-15 00:08:00,687 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 146 transitions. [2022-12-15 00:08:00,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 00:08:00,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:08:00,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:08:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:08:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:08:03,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:08:03,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 83 states and 135 transitions. [2022-12-15 00:08:03,197 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2022-12-15 00:08:03,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 00:08:03,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:08:03,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:08:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:08:03,418 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 00:08:04,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:08:04,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 85 states and 139 transitions. [2022-12-15 00:08:04,227 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 139 transitions. [2022-12-15 00:08:04,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 00:08:04,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:08:04,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:08:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:08:07,726 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:08:19,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:08:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 92 states and 155 transitions. [2022-12-15 00:08:20,000 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 155 transitions. [2022-12-15 00:08:20,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 00:08:20,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:08:20,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:08:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:08:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:08:20,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:08:20,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 94 states and 156 transitions. [2022-12-15 00:08:20,353 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 156 transitions. [2022-12-15 00:08:20,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-15 00:08:20,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:08:20,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:08:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:08:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:08:50,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:08:50,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 115 states and 210 transitions. [2022-12-15 00:08:50,768 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 210 transitions. [2022-12-15 00:08:50,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-15 00:08:50,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:08:50,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:08:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:08:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-15 00:08:56,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:08:56,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 95 states and 152 transitions. [2022-12-15 00:08:56,345 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 152 transitions. [2022-12-15 00:08:56,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-15 00:08:56,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:08:56,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:08:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:08:59,235 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:09:04,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:09:04,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 99 states and 157 transitions. [2022-12-15 00:09:04,237 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 157 transitions. [2022-12-15 00:09:04,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-15 00:09:04,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:09:04,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:09:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:09:04,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 00:09:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:09:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:09:05,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 00:09:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:09:05,420 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2022-12-15 00:09:05,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:09:05 ImpRootNode [2022-12-15 00:09:05,472 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:09:05,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:09:05,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:09:05,473 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:09:05,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:07:45" (3/4) ... [2022-12-15 00:09:05,475 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 00:09:05,533 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7f21d9-c0b6-481a-9b59-749d7ff65653/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:09:05,533 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:09:05,533 INFO L158 Benchmark]: Toolchain (without parser) took 80848.58ms. Allocated memory was 125.8MB in the beginning and 383.8MB in the end (delta: 257.9MB). Free memory was 90.1MB in the beginning and 303.1MB in the end (delta: -213.0MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2022-12-15 00:09:05,534 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:09:05,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.27ms. Allocated memory is still 125.8MB. Free memory was 89.8MB in the beginning and 69.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 00:09:05,534 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.79ms. Allocated memory is still 125.8MB. Free memory was 69.5MB in the beginning and 66.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:09:05,535 INFO L158 Benchmark]: Boogie Preprocessor took 25.68ms. Allocated memory is still 125.8MB. Free memory was 66.8MB in the beginning and 64.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:09:05,535 INFO L158 Benchmark]: RCFGBuilder took 433.92ms. Allocated memory is still 125.8MB. Free memory was 64.4MB in the beginning and 76.8MB in the end (delta: -12.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2022-12-15 00:09:05,535 INFO L158 Benchmark]: CodeCheck took 79936.40ms. Allocated memory was 125.8MB in the beginning and 383.8MB in the end (delta: 257.9MB). Free memory was 76.8MB in the beginning and 307.3MB in the end (delta: -230.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-12-15 00:09:05,536 INFO L158 Benchmark]: Witness Printer took 60.18ms. Allocated memory is still 383.8MB. Free memory was 307.3MB in the beginning and 303.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 00:09:05,537 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, 54 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 79.9s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1992 SdHoareTripleChecker+Valid, 10.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 601 mSDsluCounter, 1444 SdHoareTripleChecker+Invalid, 9.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 707 mSDsCounter, 990 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4456 IncrementalHoareTripleChecker+Invalid, 5446 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 990 mSolverCounterUnsat, 737 mSDtfsCounter, 4456 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4815 GetRequests, 4372 SyntacticMatches, 117 SemanticMatches, 326 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43178 ImplicationChecksByTransitivity, 59.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 30.6s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 376 ConstructedInterpolants, 0 QuantifiedInterpolants, 28261 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 51/110 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) }; [L709] CALL foo() [L690] FCALL ldv_initialize() [L691] int i; [L692] int N = __VERIFIER_nondet_int(); [L693] i=0 VAL [drvlist={4:0}, i=0, mutexes={3:0}, N=1] [L693] COND TRUE ilist, &drvlist) VAL [drvlist={4:0}, head={4:0}, mutexes={3:0}, new={-2:8}] [L612] EXPR head->next VAL [drvlist={4:0}, head={4:0}, head={4:0}, head->next={4:0}, mutexes={3:0}, new={-2:8}, new={-2:8}] [L612] CALL __ldv_list_add(new, head, head->next) VAL [drvlist={4:0}, mutexes={3:0}, new={-2:8}, next={4:0}, prev={4:0}] [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={4:0}, head={4:0}, head={4:0}, head->next={4:0}, mutexes={3:0}, new={-2:8}, new={-2:8}] [L695] RET ldv_list_add(&me->list, &drvlist) VAL [drvlist={4:0}, i=0, me={-2:0}, mutexes={3:0}, N=1] [L693] i++ VAL [drvlist={4:0}, i=1, me={-2:0}, mutexes={3:0}, N=1] [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 [__mptr={-2:8}, drvlist={4:0}, i=1, me={-2:0}, me={-2:0}, mutexes={3:0}, N=1] [L698] COND TRUE &me->list != (&drvlist) [L699] CALL mutex_lock(&me->m) [L673] CALL ldv_is_in_set(m, &mutexes) VAL [drvlist={4:0}, e={-2:0}, mutexes={3:0}, s={3:0}] [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={3:0}, drvlist={4:0}, e={-2:0}, e={-2:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L659] COND FALSE !(&m->list != (s)) [L664] return 0; VAL [\result=0, __mptr={3:0}, drvlist={4:0}, e={-2:0}, e={-2:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L673] RET ldv_is_in_set(m, &mutexes) VAL [drvlist={4:0}, ldv_is_in_set(m, &mutexes)=0, m={-2:0}, m={-2:0}, mutexes={3:0}] [L673] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L674] CALL ldv_set_add(m, &mutexes) [L640] CALL, EXPR ldv_is_in_set(new, s) VAL [drvlist={4:0}, e={-2:0}, mutexes={3:0}, s={3:0}] [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={3:0}, drvlist={4:0}, e={-2:0}, e={-2:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L659] COND FALSE !(&m->list != (s)) [L664] return 0; VAL [\result=0, __mptr={3:0}, drvlist={4:0}, e={-2:0}, e={-2:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L640] RET, EXPR ldv_is_in_set(new, s) VAL [drvlist={4:0}, ldv_is_in_set(new, s)=0, mutexes={3:0}, new={-2:0}, new={-2:0}, s={3:0}, s={3:0}] [L640] COND TRUE !ldv_is_in_set(new, s) [L641] struct ldv_list_element *le; VAL [drvlist={4:0}, mutexes={3:0}, new={-2:0}, new={-2:0}, s={3:0}, s={3:0}] [L642] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [drvlist={4:0}, mutexes={3:0}] [L580] void *ptr = malloc(size); [L581] CALL assume_abort_if_not(ptr!=0) [L569] COND FALSE !(!cond) [L581] RET assume_abort_if_not(ptr!=0) [L582] return ptr; [L642] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [drvlist={4:0}, ldv_successful_malloc(sizeof(struct ldv_list_element))={-1:0}, mutexes={3:0}, new={-2:0}, new={-2:0}, s={3:0}, s={3:0}] [L642] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L643] le->e = new VAL [drvlist={4:0}, le={-1:0}, mutexes={3:0}, new={-2:0}, new={-2:0}, s={3:0}, s={3:0}] [L644] CALL ldv_list_add(&le->list, s) VAL [drvlist={4:0}, head={3:0}, mutexes={3:0}, new={-1:4}] [L612] EXPR head->next VAL [drvlist={4:0}, head={3:0}, head={3:0}, head->next={3:0}, mutexes={3:0}, new={-1:4}, new={-1:4}] [L612] CALL __ldv_list_add(new, head, head->next) VAL [drvlist={4:0}, mutexes={3:0}, new={-1:4}, 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={4:0}, head={3:0}, head={3:0}, head->next={3:0}, mutexes={3:0}, new={-1:4}, new={-1:4}] [L644] RET ldv_list_add(&le->list, s) VAL [drvlist={4:0}, le={-1:0}, mutexes={3:0}, new={-2:0}, new={-2:0}, s={3:0}, s={3:0}] [L674] RET ldv_set_add(m, &mutexes) [L699] RET mutex_lock(&me->m) [L700] CALL ldv_list_del(&me->list) VAL [drvlist={4:0}, mutexes={3:0}] [L620] EXPR entry->prev [L620] EXPR entry->next [L620] CALL __ldv_list_del(entry->prev, entry->next) [L607] next->prev = prev [L608] prev->next = next [L620] RET __ldv_list_del(entry->prev, entry->next) [L700] RET ldv_list_del(&me->list) VAL [__mptr={-2:8}, drvlist={4:0}, i=1, me={-2:0}, me={-2:0}, mutexes={3:0}, N=1] [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 [__mptr={-2:8}, __mptr={4:0}, drvlist={4:0}, i=1, me={4:-8}, me={-2:0}, mutexes={3:0}, N=1] [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 [__mptr={-2:8}, __mptr={4:0}, __mptr={4:0}, drvlist={4:0}, i=1, me={-2:0}, me={4:-8}, mutexes={3:0}, N=1] [L702] COND FALSE !(&me->list != (&drvlist)) [L705] CALL ldv_check_final_state() [L681] CALL, EXPR ldv_set_empty(&mutexes) [L667] CALL, EXPR ldv_list_empty(s) [L624] EXPR head->next [L624] return head->next == head; [L667] RET, EXPR ldv_list_empty(s) [L667] return ldv_list_empty(s); [L681] RET, EXPR ldv_set_empty(&mutexes) [L681] COND TRUE !ldv_set_empty(&mutexes) [L681] reach_error() VAL [drvlist={4:0}, mutexes={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.27ms. Allocated memory is still 125.8MB. Free memory was 89.8MB in the beginning and 69.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.79ms. Allocated memory is still 125.8MB. Free memory was 69.5MB in the beginning and 66.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.68ms. Allocated memory is still 125.8MB. Free memory was 66.8MB in the beginning and 64.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 433.92ms. Allocated memory is still 125.8MB. Free memory was 64.4MB in the beginning and 76.8MB in the end (delta: -12.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * CodeCheck took 79936.40ms. Allocated memory was 125.8MB in the beginning and 383.8MB in the end (delta: 257.9MB). Free memory was 76.8MB in the beginning and 307.3MB in the end (delta: -230.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Witness Printer took 60.18ms. Allocated memory is still 383.8MB. Free memory was 307.3MB in the beginning and 303.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-15 00:09:05,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7f21d9-c0b6-481a-9b59-749d7ff65653/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE