./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb74f41b-8737-452e-bf05-494bb78ed44e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb74f41b-8737-452e-bf05-494bb78ed44e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb74f41b-8737-452e-bf05-494bb78ed44e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb74f41b-8737-452e-bf05-494bb78ed44e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr-overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb74f41b-8737-452e-bf05-494bb78ed44e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb74f41b-8737-452e-bf05-494bb78ed44e/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d8b66b98fca524b0a343d5dd747c13b18a33bf448a3a25d7d1a1a10b8f7934d --- 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 [2022-12-13 15:00:02,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:00:02,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:00:02,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:00:02,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:00:02,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:00:02,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:00:02,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:00:02,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:00:02,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:00:02,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:00:02,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:00:02,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:00:02,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:00:02,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:00:02,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:00:02,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:00:02,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:00:02,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:00:02,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:00:02,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:00:02,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:00:02,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:00:02,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:00:02,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:00:02,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:00:02,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:00:02,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:00:02,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:00:02,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:00:02,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:00:02,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:00:02,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:00:02,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:00:02,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:00:02,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:00:02,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:00:02,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:00:02,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:00:02,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:00:02,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:00:02,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb74f41b-8737-452e-bf05-494bb78ed44e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 15:00:02,132 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:00:02,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:00:02,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:00:02,133 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:00:02,133 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:00:02,134 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:00:02,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:00:02,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:00:02,135 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:00:02,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:00:02,135 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:00:02,135 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:00:02,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:00:02,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:00:02,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:00:02,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:00:02,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:00:02,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:00:02,137 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:00:02,137 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:00:02,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:00:02,137 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:00:02,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:00:02,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:00:02,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:00:02,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:00:02,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:00:02,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:00:02,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:00:02,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:00:02,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:00:02,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:00:02,139 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:00:02,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:00:02,140 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:00:02,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:00:02,140 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:00:02,140 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fb74f41b-8737-452e-bf05-494bb78ed44e/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb74f41b-8737-452e-bf05-494bb78ed44e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d8b66b98fca524b0a343d5dd747c13b18a33bf448a3a25d7d1a1a10b8f7934d [2022-12-13 15:00:02,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:00:02,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:00:02,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:00:02,332 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:00:02,332 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:00:02,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb74f41b-8737-452e-bf05-494bb78ed44e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr-overflow.i [2022-12-13 15:00:04,931 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:00:05,144 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:00:05,144 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb74f41b-8737-452e-bf05-494bb78ed44e/sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr-overflow.i [2022-12-13 15:00:05,157 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb74f41b-8737-452e-bf05-494bb78ed44e/bin/uautomizer-uyxdKDjOR8/data/86ac8beb2/bac599b705f84e10a35b134866a4e25c/FLAG557782a83 [2022-12-13 15:00:05,167 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb74f41b-8737-452e-bf05-494bb78ed44e/bin/uautomizer-uyxdKDjOR8/data/86ac8beb2/bac599b705f84e10a35b134866a4e25c [2022-12-13 15:00:05,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:00:05,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:00:05,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:00:05,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:00:05,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:00:05,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:00:05" (1/1) ... [2022-12-13 15:00:05,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5447eaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:05, skipping insertion in model container [2022-12-13 15:00:05,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:00:05" (1/1) ... [2022-12-13 15:00:05,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:00:05,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:00:05,696 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:00:05,698 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:00:05,700 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:00:05,703 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:00:05,704 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:00:05,704 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-13 15:00:05,706 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:00:05,707 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-13 15:00:05,708 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:00:05,709 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:00:05,710 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:00:05,710 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:00:05,712 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:00:05,715 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:00:05,716 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:00:05,717 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:00:05,717 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:00:05,718 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:00:05,719 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:00:05,719 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:00:05,720 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:00:05,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:00:05,729 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:00:05,761 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:00:05,762 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:00:05,762 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:00:05,763 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:00:05,764 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:00:05,764 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-13 15:00:05,765 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:00:05,766 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-13 15:00:05,766 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:00:05,767 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:00:05,767 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:00:05,768 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:00:05,770 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:00:05,771 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:00:05,772 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:00:05,772 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:00:05,773 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:00:05,774 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:00:05,774 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:00:05,775 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 15:00:05,775 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:00:05,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:00:05,881 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:00:05,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:05 WrapperNode [2022-12-13 15:00:05,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:00:05,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:00:05,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:00:05,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:00:05,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:05" (1/1) ... [2022-12-13 15:00:05,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:05" (1/1) ... [2022-12-13 15:00:05,922 INFO L138 Inliner]: procedures = 524, calls = 59, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 117 [2022-12-13 15:00:05,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:00:05,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:00:05,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:00:05,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:00:05,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:05" (1/1) ... [2022-12-13 15:00:05,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:05" (1/1) ... [2022-12-13 15:00:05,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:05" (1/1) ... [2022-12-13 15:00:05,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:05" (1/1) ... [2022-12-13 15:00:05,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:05" (1/1) ... [2022-12-13 15:00:05,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:05" (1/1) ... [2022-12-13 15:00:05,946 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:05" (1/1) ... [2022-12-13 15:00:05,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:05" (1/1) ... [2022-12-13 15:00:05,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:00:05,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:00:05,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:00:05,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:00:05,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:05" (1/1) ... [2022-12-13 15:00:05,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:00:05,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb74f41b-8737-452e-bf05-494bb78ed44e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:00:05,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb74f41b-8737-452e-bf05-494bb78ed44e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:00:05,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb74f41b-8737-452e-bf05-494bb78ed44e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:00:06,002 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2022-12-13 15:00:06,002 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2022-12-13 15:00:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-12-13 15:00:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2022-12-13 15:00:06,003 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2022-12-13 15:00:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2022-12-13 15:00:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:00:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:00:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 15:00:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:00:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:00:06,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:00:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:00:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2022-12-13 15:00:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 15:00:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:00:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:00:06,005 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 15:00:06,245 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:00:06,247 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:00:06,464 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:00:06,473 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:00:06,473 INFO L300 CfgBuilder]: Removed 19 assume(true) statements. [2022-12-13 15:00:06,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:00:06 BoogieIcfgContainer [2022-12-13 15:00:06,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:00:06,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:00:06,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:00:06,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:00:06,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:00:05" (1/3) ... [2022-12-13 15:00:06,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c16cc8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:00:06, skipping insertion in model container [2022-12-13 15:00:06,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:00:05" (2/3) ... [2022-12-13 15:00:06,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c16cc8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:00:06, skipping insertion in model container [2022-12-13 15:00:06,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:00:06" (3/3) ... [2022-12-13 15:00:06,482 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_36-trylock_nr-overflow.i [2022-12-13 15:00:06,490 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 15:00:06,497 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:00:06,497 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-12-13 15:00:06,497 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 15:00:06,560 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 15:00:06,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 206 places, 230 transitions, 476 flow [2022-12-13 15:00:06,661 INFO L130 PetriNetUnfolder]: 31/228 cut-off events. [2022-12-13 15:00:06,662 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 15:00:06,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 228 events. 31/228 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 459 event pairs, 0 based on Foata normal form. 0/187 useless extension candidates. Maximal degree in co-relation 138. Up to 5 conditions per place. [2022-12-13 15:00:06,668 INFO L82 GeneralOperation]: Start removeDead. Operand has 206 places, 230 transitions, 476 flow [2022-12-13 15:00:06,674 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 187 places, 208 transitions, 425 flow [2022-12-13 15:00:06,678 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 15:00:06,685 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 208 transitions, 425 flow [2022-12-13 15:00:06,687 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 208 transitions, 425 flow [2022-12-13 15:00:06,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 187 places, 208 transitions, 425 flow [2022-12-13 15:00:06,722 INFO L130 PetriNetUnfolder]: 28/208 cut-off events. [2022-12-13 15:00:06,722 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 15:00:06,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 208 events. 28/208 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 428 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 138. Up to 5 conditions per place. [2022-12-13 15:00:06,728 INFO L119 LiptonReduction]: Number of co-enabled transitions 11614 [2022-12-13 15:00:18,376 INFO L134 LiptonReduction]: Checked pairs total: 13072 [2022-12-13 15:00:18,376 INFO L136 LiptonReduction]: Total number of compositions: 235 [2022-12-13 15:00:18,386 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:00:18,391 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1c46bcba, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:00:18,391 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-12-13 15:00:18,392 INFO L130 PetriNetUnfolder]: 0/1 cut-off events. [2022-12-13 15:00:18,392 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:00:18,393 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:00:18,393 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 15:00:18,393 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 15:00:18,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:00:18,397 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-12-13 15:00:18,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:00:18,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669806036] [2022-12-13 15:00:18,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:00:18,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:00:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:00:18,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:00:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:00:18,552 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:00:18,553 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 15:00:18,554 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-12-13 15:00:18,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-12-13 15:00:18,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-12-13 15:00:18,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-12-13 15:00:18,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-12-13 15:00:18,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-12-13 15:00:18,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-12-13 15:00:18,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-12-13 15:00:18,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2022-12-13 15:00:18,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2022-12-13 15:00:18,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-12-13 15:00:18,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-12-13 15:00:18,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-12-13 15:00:18,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-12-13 15:00:18,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-12-13 15:00:18,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-12-13 15:00:18,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-12-13 15:00:18,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-12-13 15:00:18,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-12-13 15:00:18,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-12-13 15:00:18,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:00:18,559 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 15:00:18,564 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 15:00:18,564 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:00:18,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:00:18 BasicIcfg [2022-12-13 15:00:18,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:00:18,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:00:18,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:00:18,576 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:00:18,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:00:06" (3/4) ... [2022-12-13 15:00:18,578 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 15:00:18,598 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb74f41b-8737-452e-bf05-494bb78ed44e/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:00:18,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:00:18,599 INFO L158 Benchmark]: Toolchain (without parser) took 13428.58ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 81.9MB in the beginning and 50.7MB in the end (delta: 31.2MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2022-12-13 15:00:18,599 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:00:18,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 710.52ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 81.9MB in the beginning and 85.5MB in the end (delta: -3.6MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2022-12-13 15:00:18,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.37ms. Allocated memory is still 151.0MB. Free memory was 85.5MB in the beginning and 82.0MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:00:18,600 INFO L158 Benchmark]: Boogie Preprocessor took 28.42ms. Allocated memory is still 151.0MB. Free memory was 82.0MB in the beginning and 79.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:00:18,600 INFO L158 Benchmark]: RCFGBuilder took 524.24ms. Allocated memory is still 151.0MB. Free memory was 79.2MB in the beginning and 101.9MB in the end (delta: -22.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 15:00:18,601 INFO L158 Benchmark]: TraceAbstraction took 12098.01ms. Allocated memory is still 151.0MB. Free memory was 100.9MB in the beginning and 52.8MB in the end (delta: 48.1MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2022-12-13 15:00:18,601 INFO L158 Benchmark]: Witness Printer took 21.96ms. Allocated memory is still 151.0MB. Free memory was 52.8MB in the beginning and 50.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:00:18,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 710.52ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 81.9MB in the beginning and 85.5MB in the end (delta: -3.6MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.37ms. Allocated memory is still 151.0MB. Free memory was 85.5MB in the beginning and 82.0MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.42ms. Allocated memory is still 151.0MB. Free memory was 82.0MB in the beginning and 79.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 524.24ms. Allocated memory is still 151.0MB. Free memory was 79.2MB in the beginning and 101.9MB in the end (delta: -22.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 12098.01ms. Allocated memory is still 151.0MB. Free memory was 100.9MB in the beginning and 52.8MB in the end (delta: 48.1MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * Witness Printer took 21.96ms. Allocated memory is still 151.0MB. Free memory was 52.8MB in the beginning and 50.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.7s, 187 PlacesBefore, 39 PlacesAfterwards, 208 TransitionsBefore, 50 TransitionsAfterwards, 11614 CoEnabledTransitionPairs, 7 FixpointIterations, 64 TrivialSequentialCompositions, 132 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 29 ConcurrentYvCompositions, 10 ChoiceCompositions, 235 TotalNumberOfCompositions, 13072 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11490, independent: 11413, independent conditional: 0, independent unconditional: 11413, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6784, independent: 6753, independent conditional: 0, independent unconditional: 6753, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11490, independent: 4660, independent conditional: 0, independent unconditional: 4660, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 6784, unknown conditional: 0, unknown unconditional: 6784] , Statistics on independence cache: Total cache size (in pairs): 111, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 1839]: integer overflow possible integer overflow possible We found a FailurePath: [L1797] pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1798] long counter; [L1799] time_t end_time; [L1836] int status; [L1837] pthread_t counter_thread_id; [L1838] pthread_t monitor_thread_id; [L1839] time (((void *)0)) + 60 VAL [\old(argc)=2147483589, argc=2147483589, argv={2147483590:2147483591}, argv={2147483590:2147483591}, counter=0, counter_thread_id={26:0}, end_time=0, monitor_thread_id={27:0}, mutex={25:0}, time (((void *)0))=2147483588] - UnprovableResult [Line: 1830]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1825]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1830]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1825]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1807]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1807]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1839]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1843]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1840]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 292 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 15:00:18,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb74f41b-8737-452e-bf05-494bb78ed44e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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(OVERFLOW)