./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:16,877 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:16,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-11 23:55:16,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:55:16,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:55:17,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:17,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:17,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:17,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:17,028 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:55:17,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:55:17,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:55:17,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:17,033 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:55:17,034 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:55:17,035 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:55:17,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:17,036 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:17,036 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:55:17,037 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:17,037 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:17,039 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:17,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:17,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:17,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:17,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:17,041 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:55:17,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:55:17,042 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_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-11 23:55:17,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:17,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:17,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:17,378 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:17,378 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:17,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-11 23:55:20,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:20,985 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:20,987 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-11 23:55:21,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/data/58b6ba85b/e25c12c8ac6a46c190646afdfe273b1e/FLAGda1f823e5 [2023-11-11 23:55:21,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/data/58b6ba85b/e25c12c8ac6a46c190646afdfe273b1e [2023-11-11 23:55:21,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:21,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:21,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:21,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:21,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:21,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:21" (1/1) ... [2023-11-11 23:55:21,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35842228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:21, skipping insertion in model container [2023-11-11 23:55:21,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:21" (1/1) ... [2023-11-11 23:55:21,159 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:21,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:21,969 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:22,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:22,179 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:22,179 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:22,187 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:22,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22 WrapperNode [2023-11-11 23:55:22,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:22,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:22,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:22,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:22,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,483 INFO L138 Inliner]: procedures = 397, calls = 219, calls flagged for inlining = 53, calls inlined = 218, statements flattened = 3807 [2023-11-11 23:55:22,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:22,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:22,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:22,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:22,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:22,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:22,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:22,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:22,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:22,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:22,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:22,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:55:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:55:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:55:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:55:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-11 23:55:22,842 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-11 23:55:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-11 23:55:22,843 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-11 23:55:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-11 23:55:22,844 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-11 23:55:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:22,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:55:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:55:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-11 23:55:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:55:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-11 23:55:22,846 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-11 23:55:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-11 23:55:22,846 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-11 23:55:22,847 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-11 23:55:22,847 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-11 23:55:22,847 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-11 23:55:22,848 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-11 23:55:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:55:22,852 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:55:23,275 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:23,280 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:29,076 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:36,974 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:36,974 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:55:36,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:36 BoogieIcfgContainer [2023-11-11 23:55:36,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:55:36,982 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:55:36,983 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:55:36,993 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:55:36,993 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:36" (1/1) ... [2023-11-11 23:55:36,995 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) [2023-11-11 23:55:37,003 INFO L158 Benchmark]: Toolchain (without parser) took 15944.74ms. Allocated memory was 163.6MB in the beginning and 775.9MB in the end (delta: 612.4MB). Free memory was 116.9MB in the beginning and 407.7MB in the end (delta: -290.8MB). Peak memory consumption was 322.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:37,005 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:37,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1127.22ms. Allocated memory is still 163.6MB. Free memory was 116.9MB in the beginning and 68.2MB in the end (delta: 48.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-11 23:55:37,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 294.42ms. Allocated memory is still 163.6MB. Free memory was 68.2MB in the beginning and 123.9MB in the end (delta: -55.8MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:37,008 INFO L158 Benchmark]: Boogie Preprocessor took 282.28ms. Allocated memory is still 163.6MB. Free memory was 123.9MB in the beginning and 105.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:55:37,010 INFO L158 Benchmark]: RCFGBuilder took 14213.93ms. Allocated memory was 163.6MB in the beginning and 775.9MB in the end (delta: 612.4MB). Free memory was 105.0MB in the beginning and 408.7MB in the end (delta: -303.7MB). Peak memory consumption was 392.6MB. Max. memory is 16.1GB. [2023-11-11 23:55:37,010 INFO L158 Benchmark]: CodeCheck took 18.85ms. Allocated memory is still 775.9MB. Free memory was 408.7MB in the beginning and 407.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:37,020 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 0.32ms. Allocated memory is still 123.7MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1127.22ms. Allocated memory is still 163.6MB. Free memory was 116.9MB in the beginning and 68.2MB in the end (delta: 48.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 294.42ms. Allocated memory is still 163.6MB. Free memory was 68.2MB in the beginning and 123.9MB in the end (delta: -55.8MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 282.28ms. Allocated memory is still 163.6MB. Free memory was 123.9MB in the beginning and 105.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 14213.93ms. Allocated memory was 163.6MB in the beginning and 775.9MB in the end (delta: 612.4MB). Free memory was 105.0MB in the beginning and 408.7MB in the end (delta: -303.7MB). Peak memory consumption was 392.6MB. Max. memory is 16.1GB. * CodeCheck took 18.85ms. Allocated memory is still 775.9MB. Free memory was 408.7MB in the beginning and 407.7MB 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. [2023-11-11 23:55:37,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:39,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:39,955 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-11 23:55:39,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:39,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:39,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:39,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:39,994 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:55:39,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:55:39,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:55:39,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:39,997 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:55:39,997 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:55:39,998 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:55:39,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:39,999 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:55:40,000 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:55:40,001 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:55:40,001 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:40,002 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:55:40,003 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:40,003 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:40,004 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:40,004 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:55:40,005 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:40,005 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:40,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:40,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:40,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:40,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:40,008 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:55:40,008 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:40,009 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:55:40,009 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:40,010 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_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-11 23:55:40,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:40,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:40,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:40,462 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:40,463 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:40,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-11 23:55:43,593 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:44,077 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:44,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-11 23:55:44,111 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/data/c1f91c694/927ef5f61d514279b2fb94fc20cb831e/FLAG455f41a8c [2023-11-11 23:55:44,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/data/c1f91c694/927ef5f61d514279b2fb94fc20cb831e [2023-11-11 23:55:44,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:44,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:44,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:44,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:44,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:44,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:44" (1/1) ... [2023-11-11 23:55:44,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c354d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:44, skipping insertion in model container [2023-11-11 23:55:44,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:44" (1/1) ... [2023-11-11 23:55:44,213 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:45,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:45,372 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:45,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:45,630 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:45,630 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:45,639 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:45,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:45 WrapperNode [2023-11-11 23:55:45,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:45,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:45,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:45,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:45,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:45" (1/1) ... [2023-11-11 23:55:45,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:45" (1/1) ... [2023-11-11 23:55:45,856 INFO L138 Inliner]: procedures = 401, calls = 219, calls flagged for inlining = 53, calls inlined = 218, statements flattened = 3695 [2023-11-11 23:55:45,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:45,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:45,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:45,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:45,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:45" (1/1) ... [2023-11-11 23:55:45,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:45" (1/1) ... [2023-11-11 23:55:45,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:45" (1/1) ... [2023-11-11 23:55:45,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:45" (1/1) ... [2023-11-11 23:55:46,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:45" (1/1) ... [2023-11-11 23:55:46,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:45" (1/1) ... [2023-11-11 23:55:46,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:45" (1/1) ... [2023-11-11 23:55:46,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:45" (1/1) ... [2023-11-11 23:55:46,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:46,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:46,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:46,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:46,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:45" (1/1) ... [2023-11-11 23:55:46,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:46,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:46,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:46,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09917ae-3e62-40e3-aea9-39d42ac4f444/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:46,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:55:46,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:46,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:55:46,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:55:46,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:55:46,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:46,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:55:46,306 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-11 23:55:46,307 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-11 23:55:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-11 23:55:46,307 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-11 23:55:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-11 23:55:46,307 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-11 23:55:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:46,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:55:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:55:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:55:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:55:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-11 23:55:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-11 23:55:46,309 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-11 23:55:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-11 23:55:46,310 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-11 23:55:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-11 23:55:46,310 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-11 23:55:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-11 23:55:46,310 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-11 23:55:46,314 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:55:46,746 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:46,748 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:58,637 INFO L277 CfgBuilder]: Performing block encoding