./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:38:52,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:38:52,082 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:38:52,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:38:52,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:38:52,122 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:38:52,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:38:52,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:38:52,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:38:52,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:38:52,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:38:52,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:38:52,129 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:38:52,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:38:52,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:38:52,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:38:52,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:38:52,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:38:52,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:38:52,135 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:38:52,135 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:38:52,140 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:38:52,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:38:52,141 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:38:52,141 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:38:52,142 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:38:52,142 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:38:52,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:38:52,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:52,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:38:52,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:38:52,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:38:52,146 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:38:52,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:38:52,146 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:38:52,147 INFO L153 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_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2023-11-19 03:38:52,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:38:52,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:38:52,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:38:52,479 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:38:52,480 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:38:52,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2023-11-19 03:38:55,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:38:56,193 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:38:56,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2023-11-19 03:38:56,230 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/data/53447b801/6906b4cfed9a4c0a8d0122fa98832633/FLAG5d833f601 [2023-11-19 03:38:56,248 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/data/53447b801/6906b4cfed9a4c0a8d0122fa98832633 [2023-11-19 03:38:56,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:38:56,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:38:56,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:56,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:38:56,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:38:56,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:56" (1/1) ... [2023-11-19 03:38:56,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1739eb6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:56, skipping insertion in model container [2023-11-19 03:38:56,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:56" (1/1) ... [2023-11-19 03:38:56,364 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:38:57,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:57,388 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:38:57,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:57,806 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:38:57,806 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:38:57,815 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:38:57,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57 WrapperNode [2023-11-19 03:38:57,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:57,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:57,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:38:57,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:38:57,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,961 INFO L138 Inliner]: procedures = 489, calls = 130, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 525 [2023-11-19 03:38:57,962 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:57,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:38:57,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:38:57,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:38:57,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:58,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:58,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:58,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:58,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:58,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:38:58,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:38:58,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:38:58,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:38:58,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:58,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:58,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:38:58,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:38:58,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:38:58,189 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2023-11-19 03:38:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2023-11-19 03:38:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:38:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:38:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:38:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:38:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:38:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:38:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:38:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2023-11-19 03:38:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2023-11-19 03:38:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:38:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:38:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 03:38:58,195 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 03:38:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-19 03:38:58,195 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-19 03:38:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:38:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:38:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-19 03:38:58,198 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-19 03:38:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:38:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2023-11-19 03:38:58,198 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2023-11-19 03:38:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:38:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2023-11-19 03:38:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2023-11-19 03:38:58,201 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:38:58,658 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:38:58,660 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:38:59,540 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:38:59,591 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:38:59,591 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-19 03:38:59,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:59 BoogieIcfgContainer [2023-11-19 03:38:59,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:38:59,599 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:38:59,599 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:38:59,609 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:38:59,609 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:59" (1/1) ... [2023-11-19 03:38:59,610 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-19 03:38:59,614 INFO L158 Benchmark]: Toolchain (without parser) took 3355.47ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 93.4MB in the beginning and 101.6MB in the end (delta: -8.2MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-11-19 03:38:59,615 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:38:59,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1553.20ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 93.4MB in the beginning and 113.1MB in the end (delta: -19.7MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2023-11-19 03:38:59,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.11ms. Allocated memory is still 178.3MB. Free memory was 113.1MB in the beginning and 107.7MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:38:59,617 INFO L158 Benchmark]: Boogie Preprocessor took 147.25ms. Allocated memory is still 178.3MB. Free memory was 107.7MB in the beginning and 102.6MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:38:59,617 INFO L158 Benchmark]: RCFGBuilder took 1486.90ms. Allocated memory is still 178.3MB. Free memory was 102.6MB in the beginning and 102.7MB in the end (delta: -45.1kB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:38:59,618 INFO L158 Benchmark]: CodeCheck took 13.71ms. Allocated memory is still 178.3MB. Free memory was 102.7MB in the beginning and 101.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:38:59,621 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1553.20ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 93.4MB in the beginning and 113.1MB in the end (delta: -19.7MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 145.11ms. Allocated memory is still 178.3MB. Free memory was 113.1MB in the beginning and 107.7MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 147.25ms. Allocated memory is still 178.3MB. Free memory was 107.7MB in the beginning and 102.6MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1486.90ms. Allocated memory is still 178.3MB. Free memory was 102.6MB in the beginning and 102.7MB in the end (delta: -45.1kB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 13.71ms. Allocated memory is still 178.3MB. Free memory was 102.7MB in the beginning and 101.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:38:59,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:39:02,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:39:02,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:39:02,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:39:02,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:39:02,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:39:02,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:39:02,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:39:02,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:39:02,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:39:02,675 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:39:02,675 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:39:02,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:39:02,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:39:02,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:39:02,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:39:02,679 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:39:02,679 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:39:02,680 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:39:02,681 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:39:02,682 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:39:02,682 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:39:02,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:39:02,683 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:39:02,684 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:39:02,684 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:39:02,685 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:39:02,685 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:39:02,685 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:39:02,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:39:02,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:02,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:39:02,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:39:02,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:39:02,689 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:39:02,689 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:39:02,690 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:39:02,690 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:39:02,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:39:02,691 INFO L153 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_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2023-11-19 03:39:03,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:39:03,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:39:03,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:39:03,156 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:39:03,156 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:39:03,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2023-11-19 03:39:06,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:39:06,869 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:39:06,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2023-11-19 03:39:06,908 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/data/2b51f03b7/120a547519014a458817ee72ba2c8362/FLAGdfc3a1137 [2023-11-19 03:39:06,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/data/2b51f03b7/120a547519014a458817ee72ba2c8362 [2023-11-19 03:39:06,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:39:06,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:39:06,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:06,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:39:06,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:39:06,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:06" (1/1) ... [2023-11-19 03:39:06,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36833d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:06, skipping insertion in model container [2023-11-19 03:39:06,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:06" (1/1) ... [2023-11-19 03:39:07,049 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:39:08,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:08,262 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:39:08,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:08,479 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:39:08,479 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:39:08,487 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:39:08,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:08 WrapperNode [2023-11-19 03:39:08,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:08,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:08,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:39:08,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:39:08,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:08" (1/1) ... [2023-11-19 03:39:08,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:08" (1/1) ... [2023-11-19 03:39:08,593 INFO L138 Inliner]: procedures = 493, calls = 130, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 443 [2023-11-19 03:39:08,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:08,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:39:08,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:39:08,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:39:08,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:08" (1/1) ... [2023-11-19 03:39:08,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:08" (1/1) ... [2023-11-19 03:39:08,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:08" (1/1) ... [2023-11-19 03:39:08,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:08" (1/1) ... [2023-11-19 03:39:08,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:08" (1/1) ... [2023-11-19 03:39:08,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:08" (1/1) ... [2023-11-19 03:39:08,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:08" (1/1) ... [2023-11-19 03:39:08,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:08" (1/1) ... [2023-11-19 03:39:08,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:39:08,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:39:08,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:39:08,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:39:08,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:08" (1/1) ... [2023-11-19 03:39:08,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:08,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:39:08,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:39:08,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:39:08,857 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2023-11-19 03:39:08,858 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2023-11-19 03:39:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:39:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:39:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:39:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:39:08,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:39:08,859 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:39:08,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:39:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:39:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2023-11-19 03:39:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2023-11-19 03:39:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:39:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:39:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 03:39:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 03:39:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:39:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-19 03:39:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-19 03:39:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:39:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:39:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:39:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-19 03:39:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-19 03:39:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2023-11-19 03:39:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2023-11-19 03:39:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2023-11-19 03:39:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2023-11-19 03:39:08,867 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:39:09,284 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:39:09,287 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:39:10,365 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:39:10,411 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:39:10,411 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-19 03:39:10,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:10 BoogieIcfgContainer [2023-11-19 03:39:10,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:39:10,419 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:39:10,419 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:39:10,430 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:39:10,430 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:10" (1/1) ... [2023-11-19 03:39:10,431 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-19 03:39:10,436 INFO L158 Benchmark]: Toolchain (without parser) took 3501.21ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 55.8MB in the beginning and 47.6MB in the end (delta: 8.2MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-11-19 03:39:10,436 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 59.0MB in the end (delta: 85.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:39:10,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1553.72ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 55.6MB in the beginning and 62.6MB in the end (delta: -7.0MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2023-11-19 03:39:10,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.63ms. Allocated memory is still 111.1MB. Free memory was 62.6MB in the beginning and 57.0MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:39:10,439 INFO L158 Benchmark]: Boogie Preprocessor took 155.86ms. Allocated memory is still 111.1MB. Free memory was 57.0MB in the beginning and 79.3MB in the end (delta: -22.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-19 03:39:10,439 INFO L158 Benchmark]: RCFGBuilder took 1659.61ms. Allocated memory is still 111.1MB. Free memory was 79.3MB in the beginning and 48.5MB in the end (delta: 30.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 03:39:10,440 INFO L158 Benchmark]: CodeCheck took 14.39ms. Allocated memory is still 111.1MB. Free memory was 48.5MB in the beginning and 47.6MB in the end (delta: 889.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:39:10,444 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 59.0MB in the end (delta: 85.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1553.72ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 55.6MB in the beginning and 62.6MB in the end (delta: -7.0MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.63ms. Allocated memory is still 111.1MB. Free memory was 62.6MB in the beginning and 57.0MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 155.86ms. Allocated memory is still 111.1MB. Free memory was 57.0MB in the beginning and 79.3MB in the end (delta: -22.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1659.61ms. Allocated memory is still 111.1MB. Free memory was 79.3MB in the beginning and 48.5MB in the end (delta: 30.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 14.39ms. Allocated memory is still 111.1MB. Free memory was 48.5MB in the beginning and 47.6MB in the end (delta: 889.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:39:10,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0e7ca6-1174-43d5-9295-09447129d1be/bin/ukojak-verify-G8NBE6pJGL/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: Concurrent programs are currently unsupported