./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 527bcce2 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_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2 --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-527bcce [2023-11-21 18:42:19,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:42:19,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-21 18:42:19,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:42:19,444 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:42:19,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:42:19,490 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:42:19,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:42:19,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:42:19,499 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:42:19,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:42:19,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:42:19,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:42:19,501 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 18:42:19,501 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 18:42:19,502 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 18:42:19,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:42:19,502 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:42:19,505 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:42:19,505 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:42:19,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:42:19,506 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:42:19,507 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:42:19,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:42:19,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:19,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:42:19,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:42:19,509 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:42:19,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:42:19,510 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_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-21 18:42:19,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:42:19,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:42:19,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:42:19,821 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:42:19,821 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:42:19,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-21 18:42:23,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:42:23,636 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:42:23,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-21 18:42:23,676 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/data/bbd29c48a/2db6ddd2e3bf4f729cb0b471ba43de30/FLAG3703dbe4f [2023-11-21 18:42:23,695 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/data/bbd29c48a/2db6ddd2e3bf4f729cb0b471ba43de30 [2023-11-21 18:42:23,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:42:23,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:42:23,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:23,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:42:23,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:42:23,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:23" (1/1) ... [2023-11-21 18:42:23,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5708408f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:23, skipping insertion in model container [2023-11-21 18:42:23,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:23" (1/1) ... [2023-11-21 18:42:23,804 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:42:24,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:24,686 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:42:24,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:24,907 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:42:24,908 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:42:24,916 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:42:24,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:24 WrapperNode [2023-11-21 18:42:24,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:24,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:24,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:42:24,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:42:24,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:24" (1/1) ... [2023-11-21 18:42:24,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:24" (1/1) ... [2023-11-21 18:42:25,200 INFO L138 Inliner]: procedures = 397, calls = 219, calls flagged for inlining = 53, calls inlined = 218, statements flattened = 3807 [2023-11-21 18:42:25,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:25,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:42:25,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:42:25,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:42:25,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:24" (1/1) ... [2023-11-21 18:42:25,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:24" (1/1) ... [2023-11-21 18:42:25,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:24" (1/1) ... [2023-11-21 18:42:25,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:24" (1/1) ... [2023-11-21 18:42:25,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:24" (1/1) ... [2023-11-21 18:42:25,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:24" (1/1) ... [2023-11-21 18:42:25,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:24" (1/1) ... [2023-11-21 18:42:25,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:24" (1/1) ... [2023-11-21 18:42:25,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:42:25,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:42:25,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:42:25,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:42:25,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:24" (1/1) ... [2023-11-21 18:42:25,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:25,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:42:25,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:42:25,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:42:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:42:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:42:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:42:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:42:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:42:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:42:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-21 18:42:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-21 18:42:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-21 18:42:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-21 18:42:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-21 18:42:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-21 18:42:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:42:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:42:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:42:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:42:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:42:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:42:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-21 18:42:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-21 18:42:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-21 18:42:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-21 18:42:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-21 18:42:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-21 18:42:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-21 18:42:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-21 18:42:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:42:25,668 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:42:26,075 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:42:26,079 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:42:32,015 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:42:42,269 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:42:42,269 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:42:42,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:42 BoogieIcfgContainer [2023-11-21 18:42:42,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:42:42,275 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:42:42,276 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:42:42,287 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:42:42,288 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:42" (1/1) ... [2023-11-21 18:42:42,289 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) [2023-11-21 18:42:42,296 INFO L158 Benchmark]: Toolchain (without parser) took 18589.25ms. Allocated memory was 146.8MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 113.5MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 234.4MB. Max. memory is 16.1GB. [2023-11-21 18:42:42,297 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory was 80.3MB in the beginning and 80.1MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:42:42,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1210.89ms. Allocated memory is still 146.8MB. Free memory was 113.5MB in the beginning and 64.1MB in the end (delta: 49.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-21 18:42:42,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 282.01ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 64.1MB in the beginning and 143.9MB in the end (delta: -79.8MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-21 18:42:42,301 INFO L158 Benchmark]: Boogie Preprocessor took 367.14ms. Allocated memory is still 188.7MB. Free memory was 143.9MB in the beginning and 124.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:42:42,303 INFO L158 Benchmark]: RCFGBuilder took 16705.04ms. Allocated memory was 188.7MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 124.0MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 448.7MB. Max. memory is 16.1GB. [2023-11-21 18:42:42,303 INFO L158 Benchmark]: CodeCheck took 17.69ms. Allocated memory is still 2.6GB. Free memory was 2.3GB in the beginning and 2.3GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:42:42,314 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 0.33ms. Allocated memory is still 121.6MB. Free memory was 80.3MB in the beginning and 80.1MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1210.89ms. Allocated memory is still 146.8MB. Free memory was 113.5MB in the beginning and 64.1MB in the end (delta: 49.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 282.01ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 64.1MB in the beginning and 143.9MB in the end (delta: -79.8MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 367.14ms. Allocated memory is still 188.7MB. Free memory was 143.9MB in the beginning and 124.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 16705.04ms. Allocated memory was 188.7MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 124.0MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 448.7MB. Max. memory is 16.1GB. * CodeCheck took 17.69ms. Allocated memory is still 2.6GB. Free memory was 2.3GB in the beginning and 2.3GB 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. [2023-11-21 18:42:42,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/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_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2 --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-527bcce [2023-11-21 18:42:45,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:42:45,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-21 18:42:45,304 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:42:45,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:42:45,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:42:45,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:42:45,308 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:42:45,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:42:45,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:42:45,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:42:45,315 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 18:42:45,316 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 18:42:45,318 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 18:42:45,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:42:45,319 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:42:45,320 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:42:45,320 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:42:45,321 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:42:45,322 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:42:45,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:42:45,323 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:42:45,324 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:42:45,324 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:42:45,325 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:42:45,325 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:42:45,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:42:45,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:45,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:42:45,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:42:45,329 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:42:45,329 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:42:45,330 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:42:45,330 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:42:45,331 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_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-21 18:42:45,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:42:45,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:42:45,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:42:45,793 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:42:45,794 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:42:45,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-21 18:42:49,055 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:42:49,556 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:42:49,557 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-21 18:42:49,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/data/ce37f824f/09c3044b1f8a40eb8d28cff99b99981a/FLAG70aee549e [2023-11-21 18:42:49,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/data/ce37f824f/09c3044b1f8a40eb8d28cff99b99981a [2023-11-21 18:42:49,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:42:49,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:42:49,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:49,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:42:49,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:42:49,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:49" (1/1) ... [2023-11-21 18:42:49,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20fa5983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:49, skipping insertion in model container [2023-11-21 18:42:49,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:49" (1/1) ... [2023-11-21 18:42:49,731 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:42:50,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:50,716 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:42:50,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:50,969 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:42:50,969 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:42:50,978 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:42:50,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:50 WrapperNode [2023-11-21 18:42:50,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:50,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:50,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:42:50,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:42:50,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:50" (1/1) ... [2023-11-21 18:42:51,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:50" (1/1) ... [2023-11-21 18:42:51,239 INFO L138 Inliner]: procedures = 401, calls = 219, calls flagged for inlining = 53, calls inlined = 218, statements flattened = 3695 [2023-11-21 18:42:51,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:51,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:42:51,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:42:51,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:42:51,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:50" (1/1) ... [2023-11-21 18:42:51,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:50" (1/1) ... [2023-11-21 18:42:51,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:50" (1/1) ... [2023-11-21 18:42:51,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:50" (1/1) ... [2023-11-21 18:42:51,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:50" (1/1) ... [2023-11-21 18:42:51,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:50" (1/1) ... [2023-11-21 18:42:51,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:50" (1/1) ... [2023-11-21 18:42:51,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:50" (1/1) ... [2023-11-21 18:42:51,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:42:51,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:42:51,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:42:51,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:42:51,559 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:50" (1/1) ... [2023-11-21 18:42:51,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:51,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:42:51,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:42:51,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec8c78a-22c3-4588-bcae-f1151dc8c014/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:42:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:42:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:42:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:42:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:42:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:42:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:42:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:42:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-21 18:42:51,654 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-21 18:42:51,654 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-21 18:42:51,655 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-21 18:42:51,655 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-21 18:42:51,655 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-21 18:42:51,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:42:51,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:42:51,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:42:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:42:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:42:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:42:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:42:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-21 18:42:51,658 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-21 18:42:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-21 18:42:51,658 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-21 18:42:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-21 18:42:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-21 18:42:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-21 18:42:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-21 18:42:51,663 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:42:52,183 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:42:52,186 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:04,448 INFO L281 CfgBuilder]: Performing block encoding