./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 0e0057cc 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_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 22:16:27,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:28,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:16:28,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:28,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:28,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:28,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:28,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:28,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:28,101 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:28,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:28,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:28,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:28,105 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:16:28,106 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:16:28,106 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:16:28,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:28,107 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:16:28,108 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:28,108 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:28,109 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:28,109 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:28,110 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:28,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:28,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:28,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:28,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:28,113 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:28,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:28,114 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_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-24 22:16:28,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:28,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:28,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:28,411 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:28,411 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:28,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-24 22:16:31,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:31,923 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:31,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-24 22:16:31,961 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/data/62fb08e1d/629f633336044539994ab629d9a58da0/FLAGaadfd6beb [2023-11-24 22:16:31,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/data/62fb08e1d/629f633336044539994ab629d9a58da0 [2023-11-24 22:16:31,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:31,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:31,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:31,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:31,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:31,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:31" (1/1) ... [2023-11-24 22:16:31,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3957d78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:31, skipping insertion in model container [2023-11-24 22:16:31,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:31" (1/1) ... [2023-11-24 22:16:32,069 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:33,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:33,027 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:33,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:33,346 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:33,347 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:33,356 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:33,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:33 WrapperNode [2023-11-24 22:16:33,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:33,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:33,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:33,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:33,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:33" (1/1) ... [2023-11-24 22:16:33,426 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:33" (1/1) ... [2023-11-24 22:16:33,581 INFO L138 Inliner]: procedures = 397, calls = 219, calls flagged for inlining = 53, calls inlined = 218, statements flattened = 3807 [2023-11-24 22:16:33,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:33,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:33,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:33,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:33,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:33" (1/1) ... [2023-11-24 22:16:33,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:33" (1/1) ... [2023-11-24 22:16:33,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:33" (1/1) ... [2023-11-24 22:16:33,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:33" (1/1) ... [2023-11-24 22:16:33,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:33" (1/1) ... [2023-11-24 22:16:33,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:33" (1/1) ... [2023-11-24 22:16:33,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:33" (1/1) ... [2023-11-24 22:16:33,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:33" (1/1) ... [2023-11-24 22:16:33,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:33,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:33,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:33,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:33,882 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:33" (1/1) ... [2023-11-24 22:16:33,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:33,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:33,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:33,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:16:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:16:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:16:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:16:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-24 22:16:33,967 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-24 22:16:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-24 22:16:33,968 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-24 22:16:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-24 22:16:33,969 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-24 22:16:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:33,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:16:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:16:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:16:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-24 22:16:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-24 22:16:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-24 22:16:33,972 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-24 22:16:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-24 22:16:33,972 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-24 22:16:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-24 22:16:33,974 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-24 22:16:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:33,978 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:16:34,404 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:34,406 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:40,306 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:48,974 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:48,974 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:16:48,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:48 BoogieIcfgContainer [2023-11-24 22:16:48,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:48,979 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:48,980 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:48,992 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:48,993 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:48" (1/1) ... [2023-11-24 22:16:48,994 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) [2023-11-24 22:16:48,999 INFO L158 Benchmark]: Toolchain (without parser) took 17010.25ms. Allocated memory was 134.2MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 85.2MB in the beginning and 777.3MB in the end (delta: -692.1MB). Peak memory consumption was 419.8MB. Max. memory is 16.1GB. [2023-11-24 22:16:49,000 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 134.2MB. Free memory was 89.5MB in the beginning and 89.2MB in the end (delta: 321.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:49,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1367.71ms. Allocated memory is still 134.2MB. Free memory was 84.9MB in the beginning and 77.5MB in the end (delta: 7.3MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2023-11-24 22:16:49,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 223.00ms. Allocated memory is still 134.2MB. Free memory was 77.5MB in the beginning and 58.3MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:16:49,003 INFO L158 Benchmark]: Boogie Preprocessor took 298.02ms. Allocated memory is still 134.2MB. Free memory was 58.3MB in the beginning and 81.4MB in the end (delta: -23.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-11-24 22:16:49,004 INFO L158 Benchmark]: RCFGBuilder took 15097.74ms. Allocated memory was 134.2MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 81.4MB in the beginning and 778.4MB in the end (delta: -696.9MB). Peak memory consumption was 437.2MB. Max. memory is 16.1GB. [2023-11-24 22:16:49,005 INFO L158 Benchmark]: CodeCheck took 17.82ms. Allocated memory is still 1.2GB. Free memory was 778.4MB in the beginning and 777.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:49,009 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 0.37ms. Allocated memory is still 134.2MB. Free memory was 89.5MB in the beginning and 89.2MB in the end (delta: 321.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1367.71ms. Allocated memory is still 134.2MB. Free memory was 84.9MB in the beginning and 77.5MB in the end (delta: 7.3MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 223.00ms. Allocated memory is still 134.2MB. Free memory was 77.5MB in the beginning and 58.3MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 298.02ms. Allocated memory is still 134.2MB. Free memory was 58.3MB in the beginning and 81.4MB in the end (delta: -23.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * RCFGBuilder took 15097.74ms. Allocated memory was 134.2MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 81.4MB in the beginning and 778.4MB in the end (delta: -696.9MB). Peak memory consumption was 437.2MB. Max. memory is 16.1GB. * CodeCheck took 17.82ms. Allocated memory is still 1.2GB. Free memory was 778.4MB in the beginning and 777.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:16:49,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/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_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 22:16:51,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:52,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 22:16:52,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:52,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:52,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:52,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:52,156 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:52,157 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:52,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:52,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:52,163 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:16:52,163 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:16:52,165 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:16:52,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:52,166 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:16:52,166 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:16:52,167 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:16:52,167 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:16:52,167 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:52,168 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:52,168 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:52,169 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:52,169 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:52,170 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:52,170 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:52,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:52,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:52,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:52,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:52,173 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:16:52,174 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:52,174 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:16:52,174 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:52,175 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_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-24 22:16:52,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:52,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:52,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:52,624 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:52,625 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:52,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-24 22:16:55,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:56,379 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:56,380 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-24 22:16:56,415 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/data/04c43879e/e7d8520a8dec4019b9386a7de10b5dda/FLAG61e79044a [2023-11-24 22:16:56,431 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/data/04c43879e/e7d8520a8dec4019b9386a7de10b5dda [2023-11-24 22:16:56,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:56,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:56,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:56,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:56,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:56,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:56" (1/1) ... [2023-11-24 22:16:56,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b1a930f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:56, skipping insertion in model container [2023-11-24 22:16:56,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:56" (1/1) ... [2023-11-24 22:16:56,508 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:57,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:57,625 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:57,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:57,934 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:57,934 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:57,942 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:57,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57 WrapperNode [2023-11-24 22:16:57,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:57,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:57,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:57,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:57,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:58,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:58,201 INFO L138 Inliner]: procedures = 401, calls = 219, calls flagged for inlining = 53, calls inlined = 218, statements flattened = 3695 [2023-11-24 22:16:58,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:58,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:58,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:58,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:58,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:58,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:58,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:58,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:58,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:58,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:58,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:58,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:58,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:58,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:58,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:58,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:58,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:58,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:58,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:58,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:58,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e90f8f-dbcb-4652-b911-65e05b150a97/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:16:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:16:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 22:16:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:16:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:16:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-24 22:16:58,697 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-24 22:16:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-24 22:16:58,698 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-24 22:16:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-24 22:16:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-24 22:16:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:16:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:16:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:16:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:16:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-24 22:16:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-24 22:16:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-24 22:16:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-24 22:16:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-24 22:16:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-24 22:16:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-24 22:16:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-24 22:16:58,706 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:16:59,246 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:59,249 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:17:12,249 INFO L282 CfgBuilder]: Performing block encoding