./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9 --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 5bf99dd5722e6551de991a345b21615b777cf7cef3d452afb8b79773fd45d3d8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:45:25,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:45:25,226 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 22:45:25,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:45:25,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:45:25,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:45:25,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:45:25,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:45:25,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:45:25,255 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:45:25,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:45:25,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:45:25,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:45:25,257 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 22:45:25,257 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 22:45:25,258 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 22:45:25,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:45:25,259 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:45:25,259 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:45:25,260 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:45:25,260 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:45:25,261 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:45:25,261 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:45:25,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:45:25,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:45:25,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:45:25,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:45:25,264 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:45:25,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:45:25,264 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_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bf99dd5722e6551de991a345b21615b777cf7cef3d452afb8b79773fd45d3d8 [2023-12-02 22:45:25,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:45:25,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:45:25,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:45:25,499 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:45:25,500 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:45:25,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2023-12-02 22:45:28,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:45:28,532 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:45:28,533 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2023-12-02 22:45:28,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/data/5d106ad9b/b725ebb0209d4cbb9e6560d678bbf540/FLAG8330da2a5 [2023-12-02 22:45:28,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/data/5d106ad9b/b725ebb0209d4cbb9e6560d678bbf540 [2023-12-02 22:45:28,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:45:28,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:45:28,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:45:28,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:45:28,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:45:28,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:45:28" (1/1) ... [2023-12-02 22:45:28,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a429ec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:28, skipping insertion in model container [2023-12-02 22:45:28,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:45:28" (1/1) ... [2023-12-02 22:45:28,619 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:45:28,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:45:28,896 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:45:28,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:45:28,964 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:45:28,964 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:45:28,970 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:45:28,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:28 WrapperNode [2023-12-02 22:45:28,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:45:28,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:45:28,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:45:28,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:45:28,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:28" (1/1) ... [2023-12-02 22:45:28,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:28" (1/1) ... [2023-12-02 22:45:29,014 INFO L138 Inliner]: procedures = 172, calls = 40, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 110 [2023-12-02 22:45:29,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:45:29,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:45:29,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:45:29,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:45:29,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:28" (1/1) ... [2023-12-02 22:45:29,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:28" (1/1) ... [2023-12-02 22:45:29,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:28" (1/1) ... [2023-12-02 22:45:29,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:28" (1/1) ... [2023-12-02 22:45:29,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:28" (1/1) ... [2023-12-02 22:45:29,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:28" (1/1) ... [2023-12-02 22:45:29,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:28" (1/1) ... [2023-12-02 22:45:29,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:28" (1/1) ... [2023-12-02 22:45:29,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:45:29,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:45:29,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:45:29,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:45:29,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:28" (1/1) ... [2023-12-02 22:45:29,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:45:29,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:45:29,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:45:29,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:45:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:45:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-12-02 22:45:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-12-02 22:45:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:45:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:45:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:45:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:45:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:45:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:45:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:45:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:45:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:45:29,119 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:45:29,250 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:45:29,252 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:45:29,534 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:45:29,681 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:45:29,681 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 22:45:29,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:45:29 BoogieIcfgContainer [2023-12-02 22:45:29,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:45:29,684 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:45:29,684 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:45:29,694 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:45:29,694 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:45:29" (1/1) ... [2023-12-02 22:45:29,695 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) [2023-12-02 22:45:29,699 INFO L158 Benchmark]: Toolchain (without parser) took 1132.44ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 108.4MB in the beginning and 158.2MB in the end (delta: -49.8MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-12-02 22:45:29,700 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:45:29,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.76ms. Allocated memory is still 157.3MB. Free memory was 108.4MB in the beginning and 88.3MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 22:45:29,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.47ms. Allocated memory is still 157.3MB. Free memory was 88.3MB in the beginning and 86.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:45:29,702 INFO L158 Benchmark]: Boogie Preprocessor took 28.59ms. Allocated memory is still 157.3MB. Free memory was 86.2MB in the beginning and 84.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:45:29,703 INFO L158 Benchmark]: RCFGBuilder took 638.12ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 84.6MB in the beginning and 159.4MB in the end (delta: -74.8MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-12-02 22:45:29,704 INFO L158 Benchmark]: CodeCheck took 13.48ms. Allocated memory is still 209.7MB. Free memory was 159.4MB in the beginning and 158.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:45:29,708 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 0.22ms. Allocated memory is still 94.4MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.76ms. Allocated memory is still 157.3MB. Free memory was 108.4MB in the beginning and 88.3MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.47ms. Allocated memory is still 157.3MB. Free memory was 88.3MB in the beginning and 86.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.59ms. Allocated memory is still 157.3MB. Free memory was 86.2MB in the beginning and 84.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 638.12ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 84.6MB in the beginning and 159.4MB in the end (delta: -74.8MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * CodeCheck took 13.48ms. Allocated memory is still 209.7MB. Free memory was 159.4MB in the beginning and 158.2MB 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. [2023-12-02 22:45:29,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/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_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9 --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 5bf99dd5722e6551de991a345b21615b777cf7cef3d452afb8b79773fd45d3d8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:45:31,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:45:31,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-02 22:45:31,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:45:31,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:45:31,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:45:31,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:45:31,726 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:45:31,726 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:45:31,727 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:45:31,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:45:31,728 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 22:45:31,728 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 22:45:31,729 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 22:45:31,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:45:31,730 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:45:31,731 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:45:31,731 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:45:31,732 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:45:31,732 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:45:31,733 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:45:31,735 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:45:31,735 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:45:31,736 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:45:31,736 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:31,737 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:45:31,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:45:31,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:45:31,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:45:31,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:45:31,739 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:45:31,739 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:31,740 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:45:31,740 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:45:31,740 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_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bf99dd5722e6551de991a345b21615b777cf7cef3d452afb8b79773fd45d3d8 [2023-12-02 22:45:32,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:45:32,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:45:32,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:45:32,046 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:45:32,047 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:45:32,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2023-12-02 22:45:34,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:45:35,033 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:45:35,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2023-12-02 22:45:35,047 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/data/7f8866424/914d3086eb944395936cc9f1e5850703/FLAGea4a3903f [2023-12-02 22:45:35,059 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/data/7f8866424/914d3086eb944395936cc9f1e5850703 [2023-12-02 22:45:35,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:45:35,062 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:45:35,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:45:35,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:45:35,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:45:35,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:45:35" (1/1) ... [2023-12-02 22:45:35,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc6b1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:35, skipping insertion in model container [2023-12-02 22:45:35,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:45:35" (1/1) ... [2023-12-02 22:45:35,119 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:45:35,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:45:35,451 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:45:35,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:45:35,531 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:45:35,531 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:45:35,538 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:45:35,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:35 WrapperNode [2023-12-02 22:45:35,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:45:35,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:45:35,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:45:35,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:45:35,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:35" (1/1) ... [2023-12-02 22:45:35,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:35" (1/1) ... [2023-12-02 22:45:35,623 INFO L138 Inliner]: procedures = 176, calls = 40, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 111 [2023-12-02 22:45:35,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:45:35,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:45:35,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:45:35,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:45:35,633 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:35" (1/1) ... [2023-12-02 22:45:35,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:35" (1/1) ... [2023-12-02 22:45:35,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:35" (1/1) ... [2023-12-02 22:45:35,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:35" (1/1) ... [2023-12-02 22:45:35,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:35" (1/1) ... [2023-12-02 22:45:35,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:35" (1/1) ... [2023-12-02 22:45:35,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:35" (1/1) ... [2023-12-02 22:45:35,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:35" (1/1) ... [2023-12-02 22:45:35,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:45:35,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:45:35,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:45:35,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:45:35,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:45:35" (1/1) ... [2023-12-02 22:45:35,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:45:35,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:45:35,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:45:35,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:45:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:45:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-12-02 22:45:35,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-12-02 22:45:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:45:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:45:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:45:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:45:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:45:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:45:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 22:45:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:45:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:45:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:45:35,721 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:45:35,865 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:45:35,867 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:45:36,213 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:45:36,392 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:45:36,392 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 22:45:36,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:45:36 BoogieIcfgContainer [2023-12-02 22:45:36,394 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:45:36,395 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:45:36,395 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:45:36,404 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:45:36,404 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:45:36" (1/1) ... [2023-12-02 22:45:36,405 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) [2023-12-02 22:45:36,409 INFO L158 Benchmark]: Toolchain (without parser) took 1346.34ms. Allocated memory is still 90.2MB. Free memory was 65.3MB in the beginning and 50.5MB in the end (delta: 14.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-12-02 22:45:36,410 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:45:36,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.47ms. Allocated memory is still 90.2MB. Free memory was 65.2MB in the beginning and 68.8MB in the end (delta: -3.5MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2023-12-02 22:45:36,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.87ms. Allocated memory is still 90.2MB. Free memory was 68.8MB in the beginning and 66.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:45:36,411 INFO L158 Benchmark]: Boogie Preprocessor took 31.95ms. Allocated memory is still 90.2MB. Free memory was 66.7MB in the beginning and 65.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:45:36,412 INFO L158 Benchmark]: RCFGBuilder took 737.42ms. Allocated memory is still 90.2MB. Free memory was 64.6MB in the beginning and 51.5MB in the end (delta: 13.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 22:45:36,413 INFO L158 Benchmark]: CodeCheck took 12.60ms. Allocated memory is still 90.2MB. Free memory was 51.5MB in the beginning and 50.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:45:36,416 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 0.31ms. Allocated memory is still 60.8MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.47ms. Allocated memory is still 90.2MB. Free memory was 65.2MB in the beginning and 68.8MB in the end (delta: -3.5MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.87ms. Allocated memory is still 90.2MB. Free memory was 68.8MB in the beginning and 66.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.95ms. Allocated memory is still 90.2MB. Free memory was 66.7MB in the beginning and 65.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 737.42ms. Allocated memory is still 90.2MB. Free memory was 64.6MB in the beginning and 51.5MB in the end (delta: 13.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 12.60ms. Allocated memory is still 90.2MB. Free memory was 51.5MB in the beginning and 50.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:45:36,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951442b-d29d-48a4-8687-aabfeb5628f0/bin/ukojak-verify-Qdu7aM0XO9/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