./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY/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_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY --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 e3ea8c309f26ddc261b839eb63271ec1c2e4bd2b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-4e77c04 [2021-10-13 03:46:02,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:46:02,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:46:02,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:46:02,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:46:02,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:46:02,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:46:02,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:46:02,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:46:02,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:46:02,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:46:02,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:46:02,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:46:02,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:46:02,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:46:02,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:46:02,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:46:02,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:46:02,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:46:02,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:46:02,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:46:02,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:46:02,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:46:02,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:46:02,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:46:02,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:46:02,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:46:02,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:46:02,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:46:02,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:46:02,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:46:02,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:46:02,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:46:02,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:46:02,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:46:02,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:46:02,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:46:02,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:46:02,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:46:02,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:46:02,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:46:02,692 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-13 03:46:02,739 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:46:02,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:46:02,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 03:46:02,741 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 03:46:02,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:46:02,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:46:02,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:46:02,743 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 03:46:02,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:46:02,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 03:46:02,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:46:02,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 03:46:02,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:46:02,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 03:46:02,748 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 03:46:02,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 03:46:02,749 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:46:02,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 03:46:02,749 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:46:02,750 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:46:02,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:46:02,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:46:02,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:46:02,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:46:02,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 03:46:02,751 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:46:02,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:46:02,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 03:46:02,752 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_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ea8c309f26ddc261b839eb63271ec1c2e4bd2b [2021-10-13 03:46:03,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:46:03,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:46:03,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:46:03,125 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:46:03,126 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:46:03,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2021-10-13 03:46:03,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY/data/a8f2b3620/64642cb76be34503ae92bb15311687f9/FLAGe90ed5705 [2021-10-13 03:46:03,977 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:46:03,978 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2021-10-13 03:46:03,993 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY/data/a8f2b3620/64642cb76be34503ae92bb15311687f9/FLAGe90ed5705 [2021-10-13 03:46:04,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY/data/a8f2b3620/64642cb76be34503ae92bb15311687f9 [2021-10-13 03:46:04,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:46:04,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:46:04,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:46:04,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:46:04,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:46:04,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:46:04" (1/1) ... [2021-10-13 03:46:04,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a24ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:04, skipping insertion in model container [2021-10-13 03:46:04,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:46:04" (1/1) ... [2021-10-13 03:46:04,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:46:04,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:46:04,700 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_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26271,26284] [2021-10-13 03:46:04,710 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_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26396,26409] [2021-10-13 03:46:04,715 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_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26511,26524] [2021-10-13 03:46:04,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:46:04,758 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:46:04,852 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_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26271,26284] [2021-10-13 03:46:04,857 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_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26396,26409] [2021-10-13 03:46:04,861 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_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26511,26524] [2021-10-13 03:46:04,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:46:04,911 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:46:04,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:04 WrapperNode [2021-10-13 03:46:04,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:46:04,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:46:04,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:46:04,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:46:04,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:04" (1/1) ... [2021-10-13 03:46:04,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:04" (1/1) ... [2021-10-13 03:46:04,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:46:04,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:46:04,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:46:04,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:46:04,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:04" (1/1) ... [2021-10-13 03:46:04,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:04" (1/1) ... [2021-10-13 03:46:05,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:04" (1/1) ... [2021-10-13 03:46:05,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:04" (1/1) ... [2021-10-13 03:46:05,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:04" (1/1) ... [2021-10-13 03:46:05,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:04" (1/1) ... [2021-10-13 03:46:05,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:04" (1/1) ... [2021-10-13 03:46:05,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:46:05,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:46:05,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:46:05,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:46:05,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:04" (1/1) ... [2021-10-13 03:46:05,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:46:05,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:46:05,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:46:05,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:46:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-13 03:46:05,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-13 03:46:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-13 03:46:05,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-13 03:46:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 03:46:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 03:46:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 03:46:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2021-10-13 03:46:05,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2021-10-13 03:46:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 03:46:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 03:46:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 03:46:05,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-13 03:46:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-13 03:46:05,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 03:46:05,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2021-10-13 03:46:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2021-10-13 03:46:05,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:46:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:46:06,093 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:46:06,094 INFO L299 CfgBuilder]: Removed 31 assume(true) statements. [2021-10-13 03:46:06,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:46:06 BoogieIcfgContainer [2021-10-13 03:46:06,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:46:06,100 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:46:06,100 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:46:06,114 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:46:06,114 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:46:06" (1/1) ... [2021-10-13 03:46:06,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:46:06,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:06,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2021-10-13 03:46:06,181 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2021-10-13 03:46:06,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 03:46:06,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:06,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:06,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:46:06,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:06,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2021-10-13 03:46:06,587 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2021-10-13 03:46:06,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 03:46:06,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:06,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:06,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:46:06,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:06,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2021-10-13 03:46:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2021-10-13 03:46:06,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 03:46:06,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:06,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:06,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:46:07,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:07,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2021-10-13 03:46:07,283 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2021-10-13 03:46:07,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 03:46:07,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:07,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:07,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:46:07,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:07,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2021-10-13 03:46:07,632 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-10-13 03:46:07,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 03:46:07,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:07,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:08,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:46:08,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:08,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 72 states and 105 transitions. [2021-10-13 03:46:08,959 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2021-10-13 03:46:08,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 03:46:08,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:08,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:46:21,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:21,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 131 transitions. [2021-10-13 03:46:21,256 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 131 transitions. [2021-10-13 03:46:21,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 03:46:21,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:21,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:22,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:46:24,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:24,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 84 states and 138 transitions. [2021-10-13 03:46:24,179 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 138 transitions. [2021-10-13 03:46:24,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 03:46:24,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:24,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:25,116 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:46:25,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:25,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 81 states and 131 transitions. [2021-10-13 03:46:25,979 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 131 transitions. [2021-10-13 03:46:25,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 03:46:25,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:25,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 03:46:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:29,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 88 states and 154 transitions. [2021-10-13 03:46:29,775 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 154 transitions. [2021-10-13 03:46:29,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-13 03:46:29,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:29,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 03:46:39,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:39,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 96 states and 179 transitions. [2021-10-13 03:46:39,067 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 179 transitions. [2021-10-13 03:46:39,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-13 03:46:39,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:39,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:42,171 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 03:46:42,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:42,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 97 states and 182 transitions. [2021-10-13 03:46:42,872 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 182 transitions. [2021-10-13 03:46:42,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-13 03:46:42,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:42,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:43,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 03:46:43,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:43,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 99 states and 183 transitions. [2021-10-13 03:46:43,286 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 183 transitions. [2021-10-13 03:46:43,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-13 03:46:43,290 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:43,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:46:55,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:55,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 114 states and 216 transitions. [2021-10-13 03:46:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 216 transitions. [2021-10-13 03:46:55,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-13 03:46:55,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:55,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-13 03:46:58,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:58,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 118 states and 224 transitions. [2021-10-13 03:46:58,418 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 224 transitions. [2021-10-13 03:46:58,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-13 03:46:58,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:58,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:47:03,461 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 03:47:38,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:47:38,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 133 states and 260 transitions. [2021-10-13 03:47:38,386 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 260 transitions. [2021-10-13 03:47:38,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-13 03:47:38,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:47:38,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:47:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:47:41,671 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 03:48:13,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:48:13,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 145 states and 288 transitions. [2021-10-13 03:48:13,425 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 288 transitions. [2021-10-13 03:48:13,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-13 03:48:13,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:48:13,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:48:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:48:17,551 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-13 03:48:22,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:48:22,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 116 states and 196 transitions. [2021-10-13 03:48:22,209 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 196 transitions. [2021-10-13 03:48:22,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-13 03:48:22,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:48:22,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:48:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:48:22,311 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 03:48:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:48:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:48:22,992 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 03:48:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:48:23,322 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 18 iterations. [2021-10-13 03:48:23,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:48:23 ImpRootNode [2021-10-13 03:48:23,479 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:48:23,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:48:23,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:48:23,480 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:48:23,480 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:46:06" (3/4) ... [2021-10-13 03:48:23,482 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 03:48:23,662 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 03:48:23,662 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:48:23,665 INFO L168 Benchmark]: Toolchain (without parser) took 139494.97 ms. Allocated memory was 100.7 MB in the beginning and 482.3 MB in the end (delta: 381.7 MB). Free memory was 57.8 MB in the beginning and 297.2 MB in the end (delta: -239.4 MB). Peak memory consumption was 141.6 MB. Max. memory is 16.1 GB. [2021-10-13 03:48:23,666 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 100.7 MB. Free memory is still 75.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:48:23,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.14 ms. Allocated memory is still 100.7 MB. Free memory was 57.6 MB in the beginning and 63.8 MB in the end (delta: -6.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-13 03:48:23,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.51 ms. Allocated memory is still 100.7 MB. Free memory was 63.8 MB in the beginning and 61.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:48:23,670 INFO L168 Benchmark]: Boogie Preprocessor took 44.41 ms. Allocated memory is still 100.7 MB. Free memory was 61.4 MB in the beginning and 59.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:48:23,670 INFO L168 Benchmark]: RCFGBuilder took 1062.44 ms. Allocated memory was 100.7 MB in the beginning and 148.9 MB in the end (delta: 48.2 MB). Free memory was 59.0 MB in the beginning and 117.6 MB in the end (delta: -58.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-13 03:48:23,671 INFO L168 Benchmark]: CodeCheck took 137379.10 ms. Allocated memory was 148.9 MB in the beginning and 482.3 MB in the end (delta: 333.4 MB). Free memory was 117.6 MB in the beginning and 303.5 MB in the end (delta: -185.8 MB). Peak memory consumption was 147.4 MB. Max. memory is 16.1 GB. [2021-10-13 03:48:23,672 INFO L168 Benchmark]: Witness Printer took 183.05 ms. Allocated memory is still 482.3 MB. Free memory was 303.5 MB in the beginning and 297.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 03:48:23,676 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: 137176.0ms, OverallIterations: 18, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1909504 SDtfs, 683500 SDslu, 550184 SDs, 0 SdLazy, 3705218 SolverSat, 1154078 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20789.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7169 GetRequests, 6559 SyntacticMatches, 186 SemanticMatches, 424 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77714 ImplicationChecksByTransitivity, 119872.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 103.3ms SsaConstructionTime, 1006.0ms SatisfiabilityAnalysisTime, 30635.0ms InterpolantComputationTime, 566 NumberOfCodeBlocks, 566 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 499 ConstructedInterpolants, 0 QuantifiedInterpolants, 31643 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 104/185 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms 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={2:0}, mutexes={3:0}] [L693] COND TRUE ilist, &drvlist) VAL [drvlist={2:0}, head={2:0}, mutexes={3:0}, new={-1:8}] [L612] EXPR head->next VAL [drvlist={2:0}, head={2:0}, head={2:0}, head->next={2:0}, mutexes={3:0}, new={-1:8}, new={-1:8}] [L612] CALL __ldv_list_add(new, head, head->next) VAL [drvlist={2:0}, mutexes={3:0}, new={-1:8}, 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={2:0}, head={2:0}, head={2:0}, head->next={2:0}, mutexes={3:0}, new={-1:8}, new={-1:8}] [L695] RET ldv_list_add(&me->list, &drvlist) VAL [drvlist={2:0}, mutexes={3:0}] [L693] i++ VAL [drvlist={2:0}, mutexes={3:0}] [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={2:0}, mutexes={3:0}] [L698] COND TRUE &me->list != (&drvlist) [L673] CALL ldv_is_in_set(m, &mutexes) VAL [drvlist={2:0}, e={-1:0}, 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={2:0}, e={-1:0}, e={-1:0}, 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={2:0}, e={-1:0}, e={-1:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L673] RET ldv_is_in_set(m, &mutexes) VAL [drvlist={2:0}, mutexes={3:0}] [L673] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L640] CALL, EXPR ldv_is_in_set(new, s) VAL [drvlist={2:0}, e={-1:0}, 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={2:0}, e={-1:0}, e={-1:0}, 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={2:0}, e={-1:0}, e={-1:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L640] RET, EXPR ldv_is_in_set(new, s) VAL [drvlist={2:0}, mutexes={3:0}] [L640] COND TRUE !ldv_is_in_set(new, s) [L641] struct ldv_list_element *le; VAL [drvlist={2:0}, mutexes={3:0}] [L642] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [drvlist={2:0}, mutexes={3:0}] [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={2:0}, mutexes={3:0}] [L642] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L643] le->e = new VAL [drvlist={2:0}, mutexes={3:0}] [L644] CALL ldv_list_add(&le->list, s) VAL [drvlist={2:0}, head={3:0}, mutexes={3:0}, new={-2:4}] [L612] EXPR head->next VAL [drvlist={2:0}, head={3:0}, head={3:0}, head->next={3:0}, mutexes={3:0}, new={-2:4}, new={-2:4}] [L612] CALL __ldv_list_add(new, head, head->next) VAL [drvlist={2:0}, mutexes={3:0}, new={-2:4}, 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={2:0}, head={3:0}, head={3:0}, head->next={3:0}, mutexes={3:0}, new={-2:4}, new={-2:4}] [L644] RET ldv_list_add(&le->list, s) VAL [drvlist={2:0}, mutexes={3:0}] [L700] CALL ldv_list_del(&me->list) VAL [drvlist={2:0}, mutexes={3:0}] [L620] entry->prev [L620] entry->next [L607] next->prev = prev [L608] prev->next = next [L700] RET ldv_list_del(&me->list) VAL [drvlist={2:0}, mutexes={3:0}] [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={2:0}, mutexes={3:0}] [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={2:0}, mutexes={3:0}] [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={2:0}, mutexes={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 100.7 MB. Free memory is still 75.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 741.14 ms. Allocated memory is still 100.7 MB. Free memory was 57.6 MB in the beginning and 63.8 MB in the end (delta: -6.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.51 ms. Allocated memory is still 100.7 MB. Free memory was 63.8 MB in the beginning and 61.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.41 ms. Allocated memory is still 100.7 MB. Free memory was 61.4 MB in the beginning and 59.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1062.44 ms. Allocated memory was 100.7 MB in the beginning and 148.9 MB in the end (delta: 48.2 MB). Free memory was 59.0 MB in the beginning and 117.6 MB in the end (delta: -58.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * CodeCheck took 137379.10 ms. Allocated memory was 148.9 MB in the beginning and 482.3 MB in the end (delta: 333.4 MB). Free memory was 117.6 MB in the beginning and 303.5 MB in the end (delta: -185.8 MB). Peak memory consumption was 147.4 MB. Max. memory is 16.1 GB. * Witness Printer took 183.05 ms. Allocated memory is still 482.3 MB. Free memory was 303.5 MB in the beginning and 297.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 03:48:23,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5e3d4b-dedc-47e6-822c-3f4f732bd1e3/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...