./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL --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-9bd2c7f [2023-11-19 03:03:02,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:02,777 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:03:02,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:03:02,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:03:02,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:02,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:02,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:02,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:02,854 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:02,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:03:02,856 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:02,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:02,859 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:03:02,860 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:03:02,860 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:03:02,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:02,861 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:03:02,861 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:02,862 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:02,862 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:02,863 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:02,863 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:02,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:02,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:02,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:02,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:02,866 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:03:02,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:03:02,867 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_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-19 03:03:03,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:03,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:03,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:03,310 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:03,310 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:03,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-19 03:03:06,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:07,227 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:07,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-19 03:03:07,263 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/data/34ecc569c/c968b561cc914fcca7b6e152c34a0abc/FLAG3cdb37685 [2023-11-19 03:03:07,286 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/data/34ecc569c/c968b561cc914fcca7b6e152c34a0abc [2023-11-19 03:03:07,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:07,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:07,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:07,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:07,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:07,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:07" (1/1) ... [2023-11-19 03:03:07,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a813e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:07, skipping insertion in model container [2023-11-19 03:03:07,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:07" (1/1) ... [2023-11-19 03:03:07,401 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:08,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:08,241 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:08,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:08,492 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:03:08,492 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:03:08,499 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:08,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08 WrapperNode [2023-11-19 03:03:08,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:08,502 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:08,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:08,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:08,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2023-11-19 03:03:08,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2023-11-19 03:03:08,736 INFO L138 Inliner]: procedures = 397, calls = 219, calls flagged for inlining = 53, calls inlined = 218, statements flattened = 3807 [2023-11-19 03:03:08,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:08,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:08,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:08,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:08,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2023-11-19 03:03:08,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2023-11-19 03:03:08,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2023-11-19 03:03:08,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2023-11-19 03:03:08,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2023-11-19 03:03:08,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2023-11-19 03:03:08,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2023-11-19 03:03:08,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2023-11-19 03:03:08,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:08,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:08,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:08,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:08,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2023-11-19 03:03:08,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:09,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:09,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:09,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:03:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:03:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:03:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:03:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:03:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-19 03:03:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-19 03:03:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-19 03:03:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-19 03:03:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-19 03:03:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-19 03:03:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:03:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:03:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:03:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:03:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-19 03:03:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-19 03:03:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-19 03:03:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-19 03:03:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-19 03:03:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-19 03:03:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-19 03:03:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-19 03:03:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:03:09,071 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:03:09,495 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:09,497 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:15,331 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:22,715 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:22,715 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:03:22,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:22 BoogieIcfgContainer [2023-11-19 03:03:22,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:22,731 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:22,732 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:22,746 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:22,746 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:22" (1/1) ... [2023-11-19 03:03:22,747 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:03:22,757 INFO L158 Benchmark]: Toolchain (without parser) took 15457.78ms. Allocated memory was 140.5MB in the beginning and 692.1MB in the end (delta: 551.6MB). Free memory was 90.6MB in the beginning and 192.4MB in the end (delta: -101.8MB). Peak memory consumption was 449.6MB. Max. memory is 16.1GB. [2023-11-19 03:03:22,758 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 94.4MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:22,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1196.09ms. Allocated memory was 140.5MB in the beginning and 211.8MB in the end (delta: 71.3MB). Free memory was 90.3MB in the beginning and 162.4MB in the end (delta: -72.1MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2023-11-19 03:03:22,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 234.44ms. Allocated memory is still 211.8MB. Free memory was 162.4MB in the beginning and 143.6MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:03:22,762 INFO L158 Benchmark]: Boogie Preprocessor took 238.32ms. Allocated memory is still 211.8MB. Free memory was 143.6MB in the beginning and 124.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:03:22,763 INFO L158 Benchmark]: RCFGBuilder took 13753.12ms. Allocated memory was 211.8MB in the beginning and 692.1MB in the end (delta: 480.2MB). Free memory was 124.7MB in the beginning and 193.6MB in the end (delta: -68.8MB). Peak memory consumption was 413.3MB. Max. memory is 16.1GB. [2023-11-19 03:03:22,764 INFO L158 Benchmark]: CodeCheck took 23.69ms. Allocated memory is still 692.1MB. Free memory was 193.6MB in the beginning and 192.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:22,774 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 0.44ms. Allocated memory is still 94.4MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1196.09ms. Allocated memory was 140.5MB in the beginning and 211.8MB in the end (delta: 71.3MB). Free memory was 90.3MB in the beginning and 162.4MB in the end (delta: -72.1MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 234.44ms. Allocated memory is still 211.8MB. Free memory was 162.4MB in the beginning and 143.6MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 238.32ms. Allocated memory is still 211.8MB. Free memory was 143.6MB in the beginning and 124.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 13753.12ms. Allocated memory was 211.8MB in the beginning and 692.1MB in the end (delta: 480.2MB). Free memory was 124.7MB in the beginning and 193.6MB in the end (delta: -68.8MB). Peak memory consumption was 413.3MB. Max. memory is 16.1GB. * CodeCheck took 23.69ms. Allocated memory is still 692.1MB. Free memory was 193.6MB in the beginning and 192.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:03:22,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL --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-9bd2c7f [2023-11-19 03:03:25,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:25,922 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:03:25,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:25,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:25,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:25,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:25,966 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:25,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:03:25,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:25,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:25,969 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:03:25,969 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:03:25,970 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:03:25,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:25,971 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:03:25,971 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:03:25,972 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:03:25,972 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:03:25,973 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:25,973 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:25,974 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:25,975 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:25,975 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:25,975 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:25,976 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:03:25,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:25,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:25,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:25,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:25,978 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:03:25,979 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:25,979 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:03:25,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:03:25,980 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_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-19 03:03:26,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:26,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:26,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:26,410 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:26,411 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:26,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-19 03:03:29,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:29,951 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:29,952 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-19 03:03:29,986 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/data/acef12acf/ca3c87e22d2d4b72aff353cbea511b82/FLAGd4c269810 [2023-11-19 03:03:30,008 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/data/acef12acf/ca3c87e22d2d4b72aff353cbea511b82 [2023-11-19 03:03:30,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:30,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:30,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:30,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:30,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:30,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:30" (1/1) ... [2023-11-19 03:03:30,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@476c8dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:30, skipping insertion in model container [2023-11-19 03:03:30,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:30" (1/1) ... [2023-11-19 03:03:30,111 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:31,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:31,086 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:31,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:31,392 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:03:31,392 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:03:31,400 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:31,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31 WrapperNode [2023-11-19 03:03:31,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:31,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:31,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:31,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:31,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,619 INFO L138 Inliner]: procedures = 401, calls = 219, calls flagged for inlining = 53, calls inlined = 218, statements flattened = 3695 [2023-11-19 03:03:31,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:31,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:31,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:31,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:31,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:31,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:31,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:31,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:31,959 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:31,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:31,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:32,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0642392-4ecf-4873-a872-da8842389125/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:03:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:03:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:03:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:03:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:03:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:03:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-19 03:03:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-19 03:03:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-19 03:03:32,057 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-19 03:03:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-19 03:03:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-19 03:03:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:03:32,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:03:32,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:03:32,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:03:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:03:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-19 03:03:32,061 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-19 03:03:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-19 03:03:32,062 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-19 03:03:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-19 03:03:32,062 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-19 03:03:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-19 03:03:32,062 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-19 03:03:32,067 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:03:32,544 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:32,547 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:44,061 INFO L277 CfgBuilder]: Performing block encoding