./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-complex/safestack_relacy.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/safestack_relacy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC --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 1d61eb304445c3cb39dfadfa4748d680ea5f0f4958f8bc176e8bc3c77c47e674 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:28:25,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:28:25,985 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:28:25,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:28:25,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:28:26,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:28:26,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:28:26,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:28:26,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:28:26,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:28:26,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:28:26,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:28:26,023 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:28:26,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:28:26,024 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:28:26,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:28:26,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:28:26,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:28:26,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:28:26,028 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:28:26,028 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:28:26,029 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:28:26,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:28:26,030 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:28:26,030 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:28:26,031 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:28:26,031 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:28:26,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:28:26,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:26,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:28:26,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:28:26,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:28:26,034 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:28:26,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:28:26,035 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:28:26,035 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_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d61eb304445c3cb39dfadfa4748d680ea5f0f4958f8bc176e8bc3c77c47e674 [2023-11-23 20:28:26,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:28:26,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:28:26,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:28:26,408 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:28:26,408 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:28:26,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-complex/safestack_relacy.i [2023-11-23 20:28:29,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:28:30,069 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:28:30,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/sv-benchmarks/c/pthread-complex/safestack_relacy.i [2023-11-23 20:28:30,107 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/data/ecc4658d9/3bb1f6d6ef484c57924b0410fe6b5bc8/FLAG58879a9cb [2023-11-23 20:28:30,127 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/data/ecc4658d9/3bb1f6d6ef484c57924b0410fe6b5bc8 [2023-11-23 20:28:30,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:28:30,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:28:30,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:30,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:28:30,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:28:30,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:30" (1/1) ... [2023-11-23 20:28:30,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd98612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:30, skipping insertion in model container [2023-11-23 20:28:30,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:30" (1/1) ... [2023-11-23 20:28:30,251 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:28:31,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:31,204 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:28:31,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:31,510 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:28:31,510 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:28:31,518 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:28:31,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:31 WrapperNode [2023-11-23 20:28:31,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:31,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:31,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:28:31,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:28:31,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:31" (1/1) ... [2023-11-23 20:28:31,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:31" (1/1) ... [2023-11-23 20:28:31,624 INFO L138 Inliner]: procedures = 481, calls = 75, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2023-11-23 20:28:31,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:31,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:28:31,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:28:31,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:28:31,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:31" (1/1) ... [2023-11-23 20:28:31,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:31" (1/1) ... [2023-11-23 20:28:31,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:31" (1/1) ... [2023-11-23 20:28:31,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:31" (1/1) ... [2023-11-23 20:28:31,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:31" (1/1) ... [2023-11-23 20:28:31,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:31" (1/1) ... [2023-11-23 20:28:31,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:31" (1/1) ... [2023-11-23 20:28:31,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:31" (1/1) ... [2023-11-23 20:28:31,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:28:31,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:28:31,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:28:31,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:28:31,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:31" (1/1) ... [2023-11-23 20:28:31,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:31,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:28:31,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:28:31,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:28:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:28:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:28:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:28:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:28:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:28:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-11-23 20:28:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-11-23 20:28:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:28:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:28:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_exchange [2023-11-23 20:28:31,829 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_exchange [2023-11-23 20:28:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_store [2023-11-23 20:28:31,829 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_store [2023-11-23 20:28:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:28:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_load [2023-11-23 20:28:31,830 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_load [2023-11-23 20:28:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:28:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_compare_and_exchange [2023-11-23 20:28:31,832 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_compare_and_exchange [2023-11-23 20:28:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:28:31,835 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:28:32,246 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:28:32,257 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:28:32,682 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:28:32,758 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:28:32,759 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-23 20:28:32,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:32 BoogieIcfgContainer [2023-11-23 20:28:32,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:28:32,762 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:28:32,762 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:28:32,772 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:28:32,772 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:32" (1/1) ... [2023-11-23 20:28:32,773 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) [2023-11-23 20:28:32,778 INFO L158 Benchmark]: Toolchain (without parser) took 2639.46ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 94.8MB in the beginning and 119.5MB in the end (delta: -24.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-11-23 20:28:32,778 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 144.7MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:28:32,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1380.65ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 94.5MB in the beginning and 109.6MB in the end (delta: -15.2MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2023-11-23 20:28:32,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.47ms. Allocated memory is still 178.3MB. Free memory was 109.6MB in the beginning and 106.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:28:32,781 INFO L158 Benchmark]: Boogie Preprocessor took 113.38ms. Allocated memory is still 178.3MB. Free memory was 106.2MB in the beginning and 102.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:28:32,781 INFO L158 Benchmark]: RCFGBuilder took 1021.81ms. Allocated memory is still 178.3MB. Free memory was 102.6MB in the beginning and 120.6MB in the end (delta: -18.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:28:32,782 INFO L158 Benchmark]: CodeCheck took 14.16ms. Allocated memory is still 178.3MB. Free memory was 120.6MB in the beginning and 119.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:28:32,786 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 0.36ms. Allocated memory is still 144.7MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1380.65ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 94.5MB in the beginning and 109.6MB in the end (delta: -15.2MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.47ms. Allocated memory is still 178.3MB. Free memory was 109.6MB in the beginning and 106.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.38ms. Allocated memory is still 178.3MB. Free memory was 106.2MB in the beginning and 102.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1021.81ms. Allocated memory is still 178.3MB. Free memory was 102.6MB in the beginning and 120.6MB in the end (delta: -18.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 14.16ms. Allocated memory is still 178.3MB. Free memory was 120.6MB in the beginning and 119.5MB 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. [2023-11-23 20:28:32,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/safestack_relacy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC --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 1d61eb304445c3cb39dfadfa4748d680ea5f0f4958f8bc176e8bc3c77c47e674 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:28:35,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:28:35,776 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:28:35,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:28:35,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:28:35,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:28:35,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:28:35,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:28:35,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:28:35,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:28:35,835 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:28:35,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:28:35,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:28:35,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:28:35,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:28:35,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:28:35,838 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:28:35,839 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:28:35,839 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:28:35,840 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:28:35,841 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:28:35,841 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:28:35,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:28:35,842 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:28:35,842 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:28:35,843 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:28:35,843 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:28:35,844 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:28:35,844 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:28:35,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:28:35,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:35,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:28:35,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:28:35,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:28:35,847 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:28:35,847 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:28:35,848 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:28:35,848 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:28:35,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:28:35,849 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_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d61eb304445c3cb39dfadfa4748d680ea5f0f4958f8bc176e8bc3c77c47e674 [2023-11-23 20:28:36,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:28:36,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:28:36,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:28:36,377 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:28:36,378 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:28:36,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-complex/safestack_relacy.i [2023-11-23 20:28:39,766 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:28:40,316 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:28:40,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/sv-benchmarks/c/pthread-complex/safestack_relacy.i [2023-11-23 20:28:40,356 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/data/4cf59796c/3952c5f6305d450ca484b33e6ace1241/FLAGbfb99420c [2023-11-23 20:28:40,374 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/data/4cf59796c/3952c5f6305d450ca484b33e6ace1241 [2023-11-23 20:28:40,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:28:40,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:28:40,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:40,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:28:40,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:28:40,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:40" (1/1) ... [2023-11-23 20:28:40,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688c0dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:40, skipping insertion in model container [2023-11-23 20:28:40,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:40" (1/1) ... [2023-11-23 20:28:40,488 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:28:41,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:41,503 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:28:41,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:41,743 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:28:41,744 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:28:41,751 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:28:41,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:41 WrapperNode [2023-11-23 20:28:41,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:41,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:41,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:28:41,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:28:41,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:41" (1/1) ... [2023-11-23 20:28:41,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:41" (1/1) ... [2023-11-23 20:28:41,851 INFO L138 Inliner]: procedures = 485, calls = 75, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 195 [2023-11-23 20:28:41,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:41,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:28:41,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:28:41,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:28:41,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:41" (1/1) ... [2023-11-23 20:28:41,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:41" (1/1) ... [2023-11-23 20:28:41,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:41" (1/1) ... [2023-11-23 20:28:41,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:41" (1/1) ... [2023-11-23 20:28:41,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:41" (1/1) ... [2023-11-23 20:28:41,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:41" (1/1) ... [2023-11-23 20:28:41,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:41" (1/1) ... [2023-11-23 20:28:41,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:41" (1/1) ... [2023-11-23 20:28:41,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:28:41,937 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:28:41,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:28:41,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:28:41,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:41" (1/1) ... [2023-11-23 20:28:41,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:41,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:28:42,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:28:42,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:28:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:28:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:28:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:28:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:28:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:28:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:28:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-11-23 20:28:42,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-11-23 20:28:42,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:28:42,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:28:42,070 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_exchange [2023-11-23 20:28:42,070 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_exchange [2023-11-23 20:28:42,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:28:42,071 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_store [2023-11-23 20:28:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_store [2023-11-23 20:28:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:28:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:28:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_load [2023-11-23 20:28:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_load [2023-11-23 20:28:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_compare_and_exchange [2023-11-23 20:28:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_compare_and_exchange [2023-11-23 20:28:42,076 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:28:42,461 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:28:42,464 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:28:42,990 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:28:43,087 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:28:43,087 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-23 20:28:43,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:43 BoogieIcfgContainer [2023-11-23 20:28:43,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:28:43,090 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:28:43,091 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:28:43,102 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:28:43,102 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:43" (1/1) ... [2023-11-23 20:28:43,103 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) [2023-11-23 20:28:43,107 INFO L158 Benchmark]: Toolchain (without parser) took 2724.50ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 50.4MB in the beginning and 51.9MB in the end (delta: -1.5MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-11-23 20:28:43,108 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 77.6MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 77.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:28:43,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1366.58ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 50.1MB in the beginning and 53.0MB in the end (delta: -2.8MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2023-11-23 20:28:43,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.93ms. Allocated memory is still 98.6MB. Free memory was 53.0MB in the beginning and 49.2MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:28:43,110 INFO L158 Benchmark]: Boogie Preprocessor took 83.66ms. Allocated memory is still 98.6MB. Free memory was 49.2MB in the beginning and 44.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:28:43,111 INFO L158 Benchmark]: RCFGBuilder took 1152.89ms. Allocated memory is still 98.6MB. Free memory was 44.2MB in the beginning and 53.0MB in the end (delta: -8.8MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-11-23 20:28:43,111 INFO L158 Benchmark]: CodeCheck took 15.39ms. Allocated memory is still 98.6MB. Free memory was 53.0MB in the beginning and 51.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:28:43,115 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 0.36ms. Allocated memory is still 77.6MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 77.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1366.58ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 50.1MB in the beginning and 53.0MB in the end (delta: -2.8MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.93ms. Allocated memory is still 98.6MB. Free memory was 53.0MB in the beginning and 49.2MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.66ms. Allocated memory is still 98.6MB. Free memory was 49.2MB in the beginning and 44.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1152.89ms. Allocated memory is still 98.6MB. Free memory was 44.2MB in the beginning and 53.0MB in the end (delta: -8.8MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * CodeCheck took 15.39ms. Allocated memory is still 98.6MB. Free memory was 53.0MB in the beginning and 51.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:28:43,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37dc5b90-da6e-45bf-98a7-27d7e5fd40c4/bin/ukojak-verify-1t5iHCbJaC/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