./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.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_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/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_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/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_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/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 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:34:09,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:34:09,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:34:09,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:34:09,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:34:09,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:34:09,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:34:09,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:34:09,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:34:09,681 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:34:09,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:34:09,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:34:09,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:34:09,685 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:34:09,685 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:34:09,685 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:34:09,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:34:09,686 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:34:09,687 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:34:09,687 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:34:09,688 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:34:09,688 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:34:09,689 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:34:09,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:34:09,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:09,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:34:09,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:34:09,692 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:34:09,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:34:09,692 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_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-11-19 03:34:09,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:34:10,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:34:10,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:34:10,005 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:34:10,005 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:34:10,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-19 03:34:13,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:34:13,511 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:34:13,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-19 03:34:13,524 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/data/ed52eb346/665171c144a9410b848d712325d120a9/FLAG9e40d21f0 [2023-11-19 03:34:13,543 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/data/ed52eb346/665171c144a9410b848d712325d120a9 [2023-11-19 03:34:13,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:34:13,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:34:13,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:13,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:34:13,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:34:13,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f4e662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13, skipping insertion in model container [2023-11-19 03:34:13,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:13,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:13,774 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:34:13,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:13,806 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:13,806 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:13,812 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:34:13,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13 WrapperNode [2023-11-19 03:34:13,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:13,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:13,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:34:13,814 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:34:13,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,857 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 146 [2023-11-19 03:34:13,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:13,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:34:13,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:34:13,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:34:13,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:34:13,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:34:13,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:34:13,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:34:13,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:13,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:34:13,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:34:13,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:34:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:34:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:34:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:34:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:34:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:34:13,965 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:34:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:34:13,965 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:34:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:34:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:34:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:34:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:34:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:34:13,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:34:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:34:13,968 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:34:14,068 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:34:14,070 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:34:14,422 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:34:14,616 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:34:14,616 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:34:14,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:14 BoogieIcfgContainer [2023-11-19 03:34:14,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:34:14,621 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:34:14,621 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:34:14,629 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:34:14,629 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:14" (1/1) ... [2023-11-19 03:34:14,630 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:34:14,633 INFO L158 Benchmark]: Toolchain (without parser) took 1082.60ms. Allocated memory is still 144.7MB. Free memory was 102.3MB in the beginning and 93.5MB in the end (delta: 8.8MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-19 03:34:14,634 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:14,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.51ms. Allocated memory is still 144.7MB. Free memory was 102.0MB in the beginning and 90.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:34:14,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.85ms. Allocated memory is still 144.7MB. Free memory was 90.1MB in the beginning and 88.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:14,635 INFO L158 Benchmark]: Boogie Preprocessor took 36.51ms. Allocated memory is still 144.7MB. Free memory was 88.0MB in the beginning and 86.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:14,636 INFO L158 Benchmark]: RCFGBuilder took 725.23ms. Allocated memory is still 144.7MB. Free memory was 86.3MB in the beginning and 94.7MB in the end (delta: -8.4MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-19 03:34:14,637 INFO L158 Benchmark]: CodeCheck took 10.92ms. Allocated memory is still 144.7MB. Free memory was 94.7MB in the beginning and 93.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:14,640 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 0.25ms. Allocated memory is still 111.1MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.51ms. Allocated memory is still 144.7MB. Free memory was 102.0MB in the beginning and 90.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.85ms. Allocated memory is still 144.7MB. Free memory was 90.1MB in the beginning and 88.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.51ms. Allocated memory is still 144.7MB. Free memory was 88.0MB in the beginning and 86.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 725.23ms. Allocated memory is still 144.7MB. Free memory was 86.3MB in the beginning and 94.7MB in the end (delta: -8.4MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * CodeCheck took 10.92ms. Allocated memory is still 144.7MB. Free memory was 94.7MB in the beginning and 93.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:34:14,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/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_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/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_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/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 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:34:17,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:34:17,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:34:17,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:34:17,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:34:17,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:34:17,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:34:17,404 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:34:17,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:34:17,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:34:17,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:34:17,411 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:34:17,411 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:34:17,413 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:34:17,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:34:17,414 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:34:17,414 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:34:17,414 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:34:17,415 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:34:17,415 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:34:17,416 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:34:17,416 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:34:17,417 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:34:17,417 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:34:17,417 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:34:17,418 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:34:17,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:34:17,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:17,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:34:17,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:34:17,421 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:34:17,421 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:34:17,421 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:34:17,422 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:34:17,422 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_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-11-19 03:34:17,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:34:17,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:34:17,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:34:17,829 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:34:17,830 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:34:17,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-19 03:34:21,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:34:21,399 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:34:21,399 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-19 03:34:21,408 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/data/81cd2a53d/238ae76b8858424bb5c587a04a349226/FLAG18213946e [2023-11-19 03:34:21,433 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/data/81cd2a53d/238ae76b8858424bb5c587a04a349226 [2023-11-19 03:34:21,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:34:21,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:34:21,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:21,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:34:21,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:34:21,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:21" (1/1) ... [2023-11-19 03:34:21,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a060cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:21, skipping insertion in model container [2023-11-19 03:34:21,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:21" (1/1) ... [2023-11-19 03:34:21,469 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:21,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:21,689 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:34:21,694 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:21,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:21,716 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:34:21,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:21,750 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:21,751 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:21,759 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:34:21,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:21 WrapperNode [2023-11-19 03:34:21,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:21,760 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:21,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:34:21,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:34:21,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:21" (1/1) ... [2023-11-19 03:34:21,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:21" (1/1) ... [2023-11-19 03:34:21,806 INFO L138 Inliner]: procedures = 28, calls = 37, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 142 [2023-11-19 03:34:21,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:21,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:34:21,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:34:21,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:34:21,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:21" (1/1) ... [2023-11-19 03:34:21,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:21" (1/1) ... [2023-11-19 03:34:21,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:21" (1/1) ... [2023-11-19 03:34:21,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:21" (1/1) ... [2023-11-19 03:34:21,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:21" (1/1) ... [2023-11-19 03:34:21,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:21" (1/1) ... [2023-11-19 03:34:21,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:21" (1/1) ... [2023-11-19 03:34:21,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:21" (1/1) ... [2023-11-19 03:34:21,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:34:21,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:34:21,861 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:34:21,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:34:21,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:21" (1/1) ... [2023-11-19 03:34:21,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:21,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:34:21,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:34:21,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:34:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:34:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:34:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:34:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:34:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:34:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:34:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:34:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:34:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:34:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:34:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:34:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:34:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:34:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:34:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:34:21,949 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:34:22,111 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:34:22,113 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:34:22,658 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:34:22,910 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:34:22,911 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:34:22,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:22 BoogieIcfgContainer [2023-11-19 03:34:22,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:34:22,918 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:34:22,918 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:34:22,928 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:34:22,928 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:22" (1/1) ... [2023-11-19 03:34:22,929 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:34:22,935 INFO L158 Benchmark]: Toolchain (without parser) took 1497.18ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 45.1MB in the beginning and 53.5MB in the end (delta: -8.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-11-19 03:34:22,936 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 65.0MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 52.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:22,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.05ms. Allocated memory is still 65.0MB. Free memory was 44.8MB in the beginning and 31.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:34:22,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.90ms. Allocated memory is still 65.0MB. Free memory was 31.2MB in the beginning and 29.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:22,939 INFO L158 Benchmark]: Boogie Preprocessor took 52.50ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 29.1MB in the beginning and 74.6MB in the end (delta: -45.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-19 03:34:22,940 INFO L158 Benchmark]: RCFGBuilder took 1055.22ms. Allocated memory is still 96.5MB. Free memory was 74.6MB in the beginning and 54.2MB in the end (delta: 20.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:34:22,941 INFO L158 Benchmark]: CodeCheck took 15.26ms. Allocated memory is still 96.5MB. Free memory was 54.2MB in the beginning and 53.5MB in the end (delta: 757.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:22,949 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 0.35ms. Allocated memory is still 65.0MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 52.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.05ms. Allocated memory is still 65.0MB. Free memory was 44.8MB in the beginning and 31.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.90ms. Allocated memory is still 65.0MB. Free memory was 31.2MB in the beginning and 29.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.50ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 29.1MB in the beginning and 74.6MB in the end (delta: -45.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1055.22ms. Allocated memory is still 96.5MB. Free memory was 74.6MB in the beginning and 54.2MB in the end (delta: 20.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 15.26ms. Allocated memory is still 96.5MB. Free memory was 54.2MB in the beginning and 53.5MB in the end (delta: 757.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:34:22,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e5d757-b6f6-4136-b7ea-1aeb3cf0f994/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