./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/mutex_lock_struct.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_f62d1b62-f5d6-424a-bace-00216413eaf6/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/mutex_lock_struct.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef3dcd2558e22d4d1b628613d50eb3ab943d89de0514f54496f8c445070b9e01 --- 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 [2022-12-14 22:00:52,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:00:52,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:00:52,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:00:52,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:00:52,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:00:52,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:00:52,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:00:52,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:00:52,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:00:52,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:00:52,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:00:52,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:00:52,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:00:52,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:00:52,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:00:52,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:00:52,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:00:52,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:00:52,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:00:52,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:00:52,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:00:52,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:00:52,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:00:52,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:00:52,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:00:52,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:00:52,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:00:52,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:00:52,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:00:52,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:00:52,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:00:52,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:00:52,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:00:52,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:00:52,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:00:52,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:00:52,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:00:52,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:00:52,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:00:52,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:00:52,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:00:52,121 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:00:52,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:00:52,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:00:52,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:00:52,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:00:52,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:00:52,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:00:52,123 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:00:52,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:00:52,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:00:52,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:00:52,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:00:52,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:00:52,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:00:52,124 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:00:52,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:00:52,125 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:00:52,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:00:52,125 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:00:52,125 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:00:52,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:00:52,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:00:52,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:00:52,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:00:52,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:00:52,127 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:00:52,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:00:52,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:00:52,127 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_f62d1b62-f5d6-424a-bace-00216413eaf6/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef3dcd2558e22d4d1b628613d50eb3ab943d89de0514f54496f8c445070b9e01 [2022-12-14 22:00:52,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:00:52,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:00:52,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:00:52,326 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:00:52,326 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:00:52,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/ldv-regression/mutex_lock_struct.c_1.i [2022-12-14 22:00:54,910 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:00:55,034 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:00:55,035 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/sv-benchmarks/c/ldv-regression/mutex_lock_struct.c_1.i [2022-12-14 22:00:55,040 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/bin/ukojak-rkRKPMF4O4/data/b35b507fb/af905237c003444084f045db5b5d7ef2/FLAGdba9a0fc8 [2022-12-14 22:00:55,053 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/bin/ukojak-rkRKPMF4O4/data/b35b507fb/af905237c003444084f045db5b5d7ef2 [2022-12-14 22:00:55,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:00:55,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:00:55,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:00:55,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:00:55,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:00:55,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:00:55" (1/1) ... [2022-12-14 22:00:55,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a93d95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:55, skipping insertion in model container [2022-12-14 22:00:55,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:00:55" (1/1) ... [2022-12-14 22:00:55,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:00:55,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:00:55,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/sv-benchmarks/c/ldv-regression/mutex_lock_struct.c_1.i[299,312] [2022-12-14 22:00:55,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:00:55,228 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:00:55,239 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/sv-benchmarks/c/ldv-regression/mutex_lock_struct.c_1.i[299,312] [2022-12-14 22:00:55,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:00:55,253 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:00:55,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:55 WrapperNode [2022-12-14 22:00:55,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:00:55,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:00:55,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:00:55,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:00:55,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:55" (1/1) ... [2022-12-14 22:00:55,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:55" (1/1) ... [2022-12-14 22:00:55,278 INFO L138 Inliner]: procedures = 15, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 30 [2022-12-14 22:00:55,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:00:55,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:00:55,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:00:55,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:00:55,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:55" (1/1) ... [2022-12-14 22:00:55,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:55" (1/1) ... [2022-12-14 22:00:55,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:55" (1/1) ... [2022-12-14 22:00:55,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:55" (1/1) ... [2022-12-14 22:00:55,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:55" (1/1) ... [2022-12-14 22:00:55,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:55" (1/1) ... [2022-12-14 22:00:55,292 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:55" (1/1) ... [2022-12-14 22:00:55,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:55" (1/1) ... [2022-12-14 22:00:55,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:00:55,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:00:55,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:00:55,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:00:55,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:55" (1/1) ... [2022-12-14 22:00:55,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:00:55,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:00:55,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:00:55,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:00:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:00:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure err [2022-12-14 22:00:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2022-12-14 22:00:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:00:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 22:00:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 22:00:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:00:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:00:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 22:00:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 22:00:55,420 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:00:55,422 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:00:55,495 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:00:55,512 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:00:55,512 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 22:00:55,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:00:55 BoogieIcfgContainer [2022-12-14 22:00:55,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:00:55,515 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:00:55,515 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:00:55,522 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:00:55,522 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:00:55" (1/1) ... [2022-12-14 22:00:55,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:00:55,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:00:55,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-12-14 22:00:55,573 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-12-14 22:00:55,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 22:00:55,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:00:55,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:00:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:00:55,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:00:55,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:00:55,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2022-12-14 22:00:55,814 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-12-14 22:00:55,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:00:55,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:00:55,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:00:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:00:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:00:56,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:00:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2022-12-14 22:00:56,028 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2022-12-14 22:00:56,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:00:56,028 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2022-12-14 22:00:56,035 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 22:00:56,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:00:56 ImpRootNode [2022-12-14 22:00:56,048 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:00:56,049 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:00:56,049 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:00:56,049 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:00:56,050 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:00:55" (3/4) ... [2022-12-14 22:00:56,053 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:00:56,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure err [2022-12-14 22:00:56,061 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-12-14 22:00:56,062 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 22:00:56,062 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 22:00:56,062 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 22:00:56,097 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:00:56,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:00:56,098 INFO L158 Benchmark]: Toolchain (without parser) took 1040.01ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 90.3MB in the beginning and 106.5MB in the end (delta: -16.2MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-12-14 22:00:56,098 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 132.1MB. Free memory was 74.5MB in the beginning and 74.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:00:56,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.98ms. Allocated memory is still 132.1MB. Free memory was 90.3MB in the beginning and 80.2MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:00:56,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.34ms. Allocated memory is still 132.1MB. Free memory was 80.2MB in the beginning and 78.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:00:56,100 INFO L158 Benchmark]: Boogie Preprocessor took 14.65ms. Allocated memory is still 132.1MB. Free memory was 78.8MB in the beginning and 77.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:00:56,100 INFO L158 Benchmark]: RCFGBuilder took 219.49ms. Allocated memory is still 132.1MB. Free memory was 77.7MB in the beginning and 67.3MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:00:56,101 INFO L158 Benchmark]: CodeCheck took 533.57ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 67.3MB in the beginning and 108.5MB in the end (delta: -41.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:00:56,101 INFO L158 Benchmark]: Witness Printer took 48.13ms. Allocated memory is still 159.4MB. Free memory was 108.5MB in the beginning and 106.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:00:56,103 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 2 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 9 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 132.1MB. Free memory was 74.5MB in the beginning and 74.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.98ms. Allocated memory is still 132.1MB. Free memory was 90.3MB in the beginning and 80.2MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.34ms. Allocated memory is still 132.1MB. Free memory was 80.2MB in the beginning and 78.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.65ms. Allocated memory is still 132.1MB. Free memory was 78.8MB in the beginning and 77.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 219.49ms. Allocated memory is still 132.1MB. Free memory was 77.7MB in the beginning and 67.3MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 533.57ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 67.3MB in the beginning and 108.5MB in the end (delta: -41.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 48.13ms. Allocated memory is still 159.4MB. Free memory was 108.5MB in the beginning and 106.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 22:00:56,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62d1b62-f5d6-424a-bace-00216413eaf6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE