./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-atomic/qrcu-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/qrcu-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB --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 d1980d3c26a5811df2d100379a9d31e1e9ec963bc59bfe660be33ada51bfb014 --- 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-dbf71c6-m [2022-10-17 16:44:26,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:44:26,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:44:27,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:44:27,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:44:27,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:44:27,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:44:27,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:44:27,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:44:27,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:44:27,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:44:27,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:44:27,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:44:27,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:44:27,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:44:27,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:44:27,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:44:27,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:44:27,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:44:27,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:44:27,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:44:27,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:44:27,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:44:27,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:44:27,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:44:27,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:44:27,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:44:27,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:44:27,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:44:27,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:44:27,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:44:27,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:44:27,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:44:27,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:44:27,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:44:27,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:44:27,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:44:27,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:44:27,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:44:27,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:44:27,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:44:27,098 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:44:27,139 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:44:27,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:44:27,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:44:27,142 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:44:27,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:44:27,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:44:27,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:44:27,143 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:44:27,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:44:27,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:44:27,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:44:27,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:44:27,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:44:27,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:44:27,146 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:44:27,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:44:27,147 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:44:27,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:44:27,147 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:44:27,147 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:44:27,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:44:27,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:27,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:44:27,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:44:27,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:44:27,149 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:44:27,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:44:27,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:44:27,150 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_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1980d3c26a5811df2d100379a9d31e1e9ec963bc59bfe660be33ada51bfb014 [2022-10-17 16:44:27,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:44:27,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:44:27,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:44:27,512 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:44:27,513 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:44:27,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-atomic/qrcu-2.i [2022-10-17 16:44:27,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/data/455f02425/6be17413aeeb4469b17c2dd9fdbdbb2b/FLAG402eae11e [2022-10-17 16:44:28,169 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:44:28,170 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/sv-benchmarks/c/pthread-atomic/qrcu-2.i [2022-10-17 16:44:28,192 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/data/455f02425/6be17413aeeb4469b17c2dd9fdbdbb2b/FLAG402eae11e [2022-10-17 16:44:28,430 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/data/455f02425/6be17413aeeb4469b17c2dd9fdbdbb2b [2022-10-17 16:44:28,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:44:28,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:44:28,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:28,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:44:28,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:44:28,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:28" (1/1) ... [2022-10-17 16:44:28,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6086ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:28, skipping insertion in model container [2022-10-17 16:44:28,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:28" (1/1) ... [2022-10-17 16:44:28,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:44:28,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:44:28,993 WARN L230 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_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30690,30703] [2022-10-17 16:44:29,000 WARN L230 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_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30912,30925] [2022-10-17 16:44:29,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:29,050 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:44:29,111 WARN L230 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_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30690,30703] [2022-10-17 16:44:29,112 WARN L230 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_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30912,30925] [2022-10-17 16:44:29,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:29,165 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:44:29,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29 WrapperNode [2022-10-17 16:44:29,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:29,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:29,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:44:29,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:44:29,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:29,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:29,228 INFO L138 Inliner]: procedures = 177, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 154 [2022-10-17 16:44:29,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:29,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:44:29,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:44:29,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:44:29,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:29,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:29,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:29,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:29,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:29,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:29,303 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:29,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:29,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:44:29,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:44:29,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:44:29,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:44:29,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:29,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:29,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:44:29,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:44:29,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:44:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2022-10-17 16:44:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2022-10-17 16:44:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2022-10-17 16:44:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2022-10-17 16:44:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:44:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use_done [2022-10-17 16:44:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use_done [2022-10-17 16:44:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:44:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use2 [2022-10-17 16:44:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use2 [2022-10-17 16:44:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use1 [2022-10-17 16:44:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use1 [2022-10-17 16:44:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2022-10-17 16:44:29,410 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2022-10-17 16:44:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 16:44:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:44:29,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:44:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:44:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:44:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:44:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:44:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:44:29,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:44:29,413 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:44:29,544 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:44:29,546 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:44:30,025 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:44:30,121 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:44:30,121 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:44:30,127 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_use2ENTRY is neither atomic block end nor a sink node. [2022-10-17 16:44:30,128 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 16:44:30,137 INFO L158 Benchmark]: Toolchain (without parser) took 1699.12ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 49.7MB in the beginning and 47.8MB in the end (delta: 1.9MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2022-10-17 16:44:30,138 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:44:30,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 727.44ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 49.5MB in the beginning and 78.9MB in the end (delta: -29.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-10-17 16:44:30,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.17ms. Allocated memory is still 109.1MB. Free memory was 78.9MB in the beginning and 76.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:44:30,140 INFO L158 Benchmark]: Boogie Preprocessor took 84.46ms. Allocated memory is still 109.1MB. Free memory was 76.2MB in the beginning and 74.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:44:30,141 INFO L158 Benchmark]: RCFGBuilder took 812.37ms. Allocated memory is still 109.1MB. Free memory was 74.1MB in the beginning and 47.8MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-10-17 16:44:30,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 727.44ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 49.5MB in the beginning and 78.9MB in the end (delta: -29.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.17ms. Allocated memory is still 109.1MB. Free memory was 78.9MB in the beginning and 76.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.46ms. Allocated memory is still 109.1MB. Free memory was 76.2MB in the beginning and 74.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 812.37ms. Allocated memory is still 109.1MB. Free memory was 74.1MB in the beginning and 47.8MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:44:30,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/qrcu-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB --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 d1980d3c26a5811df2d100379a9d31e1e9ec963bc59bfe660be33ada51bfb014 --- 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-dbf71c6-m [2022-10-17 16:44:32,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:44:32,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:44:32,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:44:32,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:44:32,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:44:32,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:44:32,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:44:32,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:44:32,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:44:32,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:44:32,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:44:32,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:44:32,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:44:32,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:44:32,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:44:32,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:44:32,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:44:32,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:44:32,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:44:32,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:44:32,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:44:32,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:44:32,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:44:32,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:44:32,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:44:32,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:44:32,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:44:32,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:44:32,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:44:32,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:44:32,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:44:32,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:44:32,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:44:32,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:44:32,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:44:32,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:44:32,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:44:32,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:44:32,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:44:32,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:44:32,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:44:32,781 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:44:32,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:44:32,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:44:32,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:44:32,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:44:32,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:44:32,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:44:32,783 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:44:32,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:44:32,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:44:32,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:44:32,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:44:32,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:44:32,785 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:44:32,785 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:44:32,785 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:44:32,785 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:44:32,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:44:32,786 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:44:32,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:44:32,786 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:44:32,786 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:44:32,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:44:32,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:32,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:44:32,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:44:32,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:44:32,788 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:44:32,788 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:44:32,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:44:32,790 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:44:32,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:44:32,791 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1980d3c26a5811df2d100379a9d31e1e9ec963bc59bfe660be33ada51bfb014 [2022-10-17 16:44:33,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:44:33,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:44:33,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:44:33,228 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:44:33,228 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:44:33,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-atomic/qrcu-2.i [2022-10-17 16:44:33,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/data/2fe99964f/96400a15b5014ddf9c97975a4df16c44/FLAGf93d54eaf [2022-10-17 16:44:33,940 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:44:33,945 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/sv-benchmarks/c/pthread-atomic/qrcu-2.i [2022-10-17 16:44:33,969 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/data/2fe99964f/96400a15b5014ddf9c97975a4df16c44/FLAGf93d54eaf [2022-10-17 16:44:34,185 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/data/2fe99964f/96400a15b5014ddf9c97975a4df16c44 [2022-10-17 16:44:34,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:44:34,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:44:34,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:34,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:44:34,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:44:34,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f60c85a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34, skipping insertion in model container [2022-10-17 16:44:34,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:44:34,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:44:34,707 WARN L230 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_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30690,30703] [2022-10-17 16:44:34,711 WARN L230 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_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30912,30925] [2022-10-17 16:44:34,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:34,745 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:44:34,784 WARN L230 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_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30690,30703] [2022-10-17 16:44:34,786 WARN L230 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_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30912,30925] [2022-10-17 16:44:34,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:34,845 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:44:34,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34 WrapperNode [2022-10-17 16:44:34,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:34,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:34,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:44:34,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:44:34,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,903 INFO L138 Inliner]: procedures = 181, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 149 [2022-10-17 16:44:34,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:34,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:44:34,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:44:34,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:44:34,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,938 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:44:34,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:44:34,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:44:34,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:44:34,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:34,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:44:34,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:44:35,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:44:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2022-10-17 16:44:35,050 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2022-10-17 16:44:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2022-10-17 16:44:35,051 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2022-10-17 16:44:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:44:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use_done [2022-10-17 16:44:35,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use_done [2022-10-17 16:44:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use2 [2022-10-17 16:44:35,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use2 [2022-10-17 16:44:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use1 [2022-10-17 16:44:35,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use1 [2022-10-17 16:44:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2022-10-17 16:44:35,054 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2022-10-17 16:44:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 16:44:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:44:35,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:44:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:44:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:44:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:44:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:44:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:44:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-10-17 16:44:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:44:35,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:44:35,058 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:44:35,313 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:44:35,315 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:44:35,748 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:44:35,902 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:44:35,910 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:44:35,911 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_use2ENTRY is neither atomic block end nor a sink node. [2022-10-17 16:44:35,912 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 16:44:35,917 INFO L158 Benchmark]: Toolchain (without parser) took 1726.87ms. Allocated memory is still 79.7MB. Free memory was 54.9MB in the beginning and 36.2MB in the end (delta: 18.7MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-10-17 16:44:35,921 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 50.3MB. Free memory was 30.0MB in the beginning and 30.0MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:44:35,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 652.57ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 49.8MB in the end (delta: 5.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:44:35,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.64ms. Allocated memory is still 79.7MB. Free memory was 49.8MB in the beginning and 47.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:44:35,944 INFO L158 Benchmark]: Boogie Preprocessor took 42.63ms. Allocated memory is still 79.7MB. Free memory was 47.3MB in the beginning and 45.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:44:35,945 INFO L158 Benchmark]: RCFGBuilder took 967.70ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 36.3MB in the end (delta: 8.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-10-17 16:44:35,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 50.3MB. Free memory was 30.0MB in the beginning and 30.0MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 652.57ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 49.8MB in the end (delta: 5.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.64ms. Allocated memory is still 79.7MB. Free memory was 49.8MB in the beginning and 47.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.63ms. Allocated memory is still 79.7MB. Free memory was 47.3MB in the beginning and 45.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 967.70ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 36.3MB in the end (delta: 8.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:44:36,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb9ba74-4231-4fa5-a96a-6ab10bb5026a/bin/ukojak-92XMlrwhuB/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?