./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c --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_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/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_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/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_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/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 d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:04:48,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:48,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 04:04:48,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:04:48,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:04:48,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:48,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:48,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:48,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:48,419 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:04:48,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:04:48,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:04:48,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:48,421 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:04:48,422 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:04:48,422 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:04:48,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:48,423 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:04:48,423 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:04:48,424 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:48,424 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:48,425 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:48,425 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:48,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:48,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:48,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:48,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:48,428 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:04:48,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:04:48,428 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_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 [2023-11-19 04:04:48,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:48,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:48,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:48,759 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:48,759 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:48,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2023-11-19 04:04:52,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:04:52,237 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:04:52,238 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2023-11-19 04:04:52,252 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/data/cdf7a0b2d/4b9e624381354f08b94d4829a5ad1194/FLAGac41dde62 [2023-11-19 04:04:52,270 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/data/cdf7a0b2d/4b9e624381354f08b94d4829a5ad1194 [2023-11-19 04:04:52,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:04:52,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:04:52,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:52,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:04:52,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:04:52,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:52" (1/1) ... [2023-11-19 04:04:52,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e59b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:52, skipping insertion in model container [2023-11-19 04:04:52,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:52" (1/1) ... [2023-11-19 04:04:52,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:04:52,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:52,602 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:04:52,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:52,645 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:04:52,645 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:04:52,652 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:04:52,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:52 WrapperNode [2023-11-19 04:04:52,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:52,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:52,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:04:52,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:04:52,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:52" (1/1) ... [2023-11-19 04:04:52,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:52" (1/1) ... [2023-11-19 04:04:52,702 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 151 [2023-11-19 04:04:52,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:52,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:04:52,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:04:52,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:04:52,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:52" (1/1) ... [2023-11-19 04:04:52,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:52" (1/1) ... [2023-11-19 04:04:52,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:52" (1/1) ... [2023-11-19 04:04:52,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:52" (1/1) ... [2023-11-19 04:04:52,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:52" (1/1) ... [2023-11-19 04:04:52,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:52" (1/1) ... [2023-11-19 04:04:52,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:52" (1/1) ... [2023-11-19 04:04:52,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:52" (1/1) ... [2023-11-19 04:04:52,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:52,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:52,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:52,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:52,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:52" (1/1) ... [2023-11-19 04:04:52,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:52,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:52,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:52,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:52,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:04:52,831 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:04:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:04:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:04:52,837 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:04:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:04:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:04:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:04:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:04:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:04:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:04:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:52,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:04:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:04:52,842 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 04:04:53,022 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:53,026 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:53,514 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:04:53,609 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:04:53,610 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:04:53,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:53 BoogieIcfgContainer [2023-11-19 04:04:53,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:04:53,615 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:04:53,615 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:04:53,626 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:04:53,626 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:53" (1/1) ... [2023-11-19 04:04:53,627 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 04:04:53,631 INFO L158 Benchmark]: Toolchain (without parser) took 1349.93ms. Allocated memory is still 123.7MB. Free memory was 83.0MB in the beginning and 77.1MB in the end (delta: 6.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-19 04:04:53,632 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:53,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.17ms. Allocated memory is still 123.7MB. Free memory was 83.0MB in the beginning and 71.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:04:53,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.33ms. Allocated memory is still 123.7MB. Free memory was 71.1MB in the beginning and 69.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:04:53,634 INFO L158 Benchmark]: Boogie Preprocessor took 38.25ms. Allocated memory is still 123.7MB. Free memory was 69.0MB in the beginning and 67.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:04:53,635 INFO L158 Benchmark]: RCFGBuilder took 871.52ms. Allocated memory is still 123.7MB. Free memory was 67.6MB in the beginning and 78.1MB in the end (delta: -10.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-19 04:04:53,635 INFO L158 Benchmark]: CodeCheck took 14.51ms. Allocated memory is still 123.7MB. Free memory was 78.1MB in the beginning and 77.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:53,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.17ms. Allocated memory is still 123.7MB. Free memory was 83.0MB in the beginning and 71.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.33ms. Allocated memory is still 123.7MB. Free memory was 71.1MB in the beginning and 69.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.25ms. Allocated memory is still 123.7MB. Free memory was 69.0MB in the beginning and 67.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 871.52ms. Allocated memory is still 123.7MB. Free memory was 67.6MB in the beginning and 78.1MB in the end (delta: -10.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * CodeCheck took 14.51ms. Allocated memory is still 123.7MB. Free memory was 78.1MB in the beginning and 77.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:04:53,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/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_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/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_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/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 d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:04:56,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:56,583 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 04:04:56,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:56,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:56,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:56,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:56,649 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:04:56,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:04:56,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:04:56,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:56,655 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:04:56,656 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:04:56,658 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:04:56,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:56,658 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:04:56,659 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:04:56,659 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:04:56,660 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:04:56,661 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:04:56,661 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:56,662 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:56,662 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:56,663 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:56,663 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:04:56,664 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:04:56,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:56,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:56,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:56,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:56,667 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:04:56,668 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:04:56,668 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:04:56,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:04:56,669 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_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 [2023-11-19 04:04:57,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:57,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:57,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:57,128 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:57,128 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:57,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2023-11-19 04:05:00,450 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:05:00,776 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:05:00,777 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2023-11-19 04:05:00,791 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/data/0fda784f7/c0bdb88cdf8141cda0e27a8e629e7e33/FLAG3208171c7 [2023-11-19 04:05:00,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/data/0fda784f7/c0bdb88cdf8141cda0e27a8e629e7e33 [2023-11-19 04:05:00,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:05:00,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:05:00,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:00,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:05:00,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:05:00,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:00" (1/1) ... [2023-11-19 04:05:00,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8ee007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:00, skipping insertion in model container [2023-11-19 04:05:00,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:00" (1/1) ... [2023-11-19 04:05:00,880 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:05:01,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:01,120 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 04:05:01,126 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:05:01,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:01,151 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:05:01,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:01,188 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:05:01,189 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:05:01,197 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:05:01,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:01 WrapperNode [2023-11-19 04:05:01,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:01,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:01,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:05:01,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:05:01,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:01" (1/1) ... [2023-11-19 04:05:01,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:01" (1/1) ... [2023-11-19 04:05:01,249 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 148 [2023-11-19 04:05:01,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:01,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:05:01,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:05:01,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:05:01,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:01" (1/1) ... [2023-11-19 04:05:01,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:01" (1/1) ... [2023-11-19 04:05:01,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:01" (1/1) ... [2023-11-19 04:05:01,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:01" (1/1) ... [2023-11-19 04:05:01,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:01" (1/1) ... [2023-11-19 04:05:01,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:01" (1/1) ... [2023-11-19 04:05:01,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:01" (1/1) ... [2023-11-19 04:05:01,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:01" (1/1) ... [2023-11-19 04:05:01,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:05:01,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:05:01,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:05:01,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:05:01,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:01" (1/1) ... [2023-11-19 04:05:01,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:01,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:05:01,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:05:01,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:05:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:05:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:05:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:05:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:05:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:05:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:05:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:05:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:05:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:05:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:05:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:05:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:05:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:05:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:05:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:05:01,413 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 04:05:01,581 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:05:01,583 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:05:02,136 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:05:02,390 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:05:02,391 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:05:02,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:02 BoogieIcfgContainer [2023-11-19 04:05:02,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:05:02,397 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:05:02,397 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:05:02,409 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:05:02,409 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:02" (1/1) ... [2023-11-19 04:05:02,410 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 04:05:02,415 INFO L158 Benchmark]: Toolchain (without parser) took 1586.74ms. Allocated memory is still 81.8MB. Free memory was 56.8MB in the beginning and 43.9MB in the end (delta: 12.9MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-19 04:05:02,416 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 65.0MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:05:02,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.74ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 43.1MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:05:02,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.32ms. Allocated memory is still 81.8MB. Free memory was 43.0MB in the beginning and 40.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:05:02,418 INFO L158 Benchmark]: Boogie Preprocessor took 50.97ms. Allocated memory is still 81.8MB. Free memory was 40.9MB in the beginning and 58.7MB in the end (delta: -17.7MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-11-19 04:05:02,419 INFO L158 Benchmark]: RCFGBuilder took 1093.14ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 44.8MB in the end (delta: 13.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 04:05:02,419 INFO L158 Benchmark]: CodeCheck took 16.28ms. Allocated memory is still 81.8MB. Free memory was 44.8MB in the beginning and 43.9MB in the end (delta: 946.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:05:02,423 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 0.58ms. Allocated memory is still 65.0MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.74ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 43.1MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.32ms. Allocated memory is still 81.8MB. Free memory was 43.0MB in the beginning and 40.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.97ms. Allocated memory is still 81.8MB. Free memory was 40.9MB in the beginning and 58.7MB in the end (delta: -17.7MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1093.14ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 44.8MB in the end (delta: 13.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 16.28ms. Allocated memory is still 81.8MB. Free memory was 44.8MB in the beginning and 43.9MB in the end (delta: 946.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:05:02,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0ccbf0-27b5-41cc-acea-45b1e2088f19/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported