./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/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_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:12,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:12,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:07:12,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:12,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:12,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:12,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:12,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:12,288 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:12,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:12,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:12,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:12,291 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:12,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:12,292 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:12,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:12,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:12,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:12,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:12,295 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:07:12,295 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:07:12,296 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:12,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:12,297 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:12,298 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:12,298 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:12,299 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:12,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:12,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:12,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:12,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:12,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:12,302 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:12,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:12,303 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:12,304 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_b8a8e697-9973-4338-b144-443d56d7d41e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2023-11-19 04:07:12,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:12,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:12,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:12,597 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:12,598 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:12,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/stack-1.i [2023-11-19 04:07:15,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:16,001 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:16,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/sv-benchmarks/c/pthread/stack-1.i [2023-11-19 04:07:16,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/data/dec44298a/59078dd951884f5786c88e8d8194912e/FLAG9c46d5771 [2023-11-19 04:07:16,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/data/dec44298a/59078dd951884f5786c88e8d8194912e [2023-11-19 04:07:16,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:16,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:16,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:16,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:16,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:16,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1387b749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16, skipping insertion in model container [2023-11-19 04:07:16,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,133 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:16,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:16,641 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:16,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:16,789 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:16,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16 WrapperNode [2023-11-19 04:07:16,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:16,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:16,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:16,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:16,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,861 INFO L138 Inliner]: procedures = 277, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2023-11-19 04:07:16,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:16,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:16,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:16,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:16,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:16,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:16,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:16,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:16,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:16,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:16,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:16,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 04:07:16,996 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 04:07:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 04:07:16,996 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 04:07:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:07:16,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:07:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:07:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:07:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-19 04:07:16,999 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-19 04:07:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 04:07:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-19 04:07:17,000 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-19 04:07:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:07:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:17,002 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:07:17,242 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:17,244 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:17,560 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:17,573 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:17,574 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:07:17,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:17 BoogieIcfgContainer [2023-11-19 04:07:17,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:17,581 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:17,581 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:17,593 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:17,593 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:17" (1/1) ... [2023-11-19 04:07:17,594 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 04:07:17,599 INFO L158 Benchmark]: Toolchain (without parser) took 1555.81ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 110.4MB in the beginning and 154.7MB in the end (delta: -44.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:17,600 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 159.4MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:17,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 743.02ms. Allocated memory is still 159.4MB. Free memory was 110.3MB in the beginning and 81.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 04:07:17,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.94ms. Allocated memory is still 159.4MB. Free memory was 80.5MB in the beginning and 77.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:17,602 INFO L158 Benchmark]: Boogie Preprocessor took 39.20ms. Allocated memory is still 159.4MB. Free memory was 77.9MB in the beginning and 76.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:17,603 INFO L158 Benchmark]: RCFGBuilder took 677.38ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 76.3MB in the beginning and 155.7MB in the end (delta: -79.5MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-11-19 04:07:17,604 INFO L158 Benchmark]: CodeCheck took 16.48ms. Allocated memory is still 197.1MB. Free memory is still 154.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:17,608 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 159.4MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 743.02ms. Allocated memory is still 159.4MB. Free memory was 110.3MB in the beginning and 81.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.94ms. Allocated memory is still 159.4MB. Free memory was 80.5MB in the beginning and 77.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.20ms. Allocated memory is still 159.4MB. Free memory was 77.9MB in the beginning and 76.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 677.38ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 76.3MB in the beginning and 155.7MB in the end (delta: -79.5MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * CodeCheck took 16.48ms. Allocated memory is still 197.1MB. Free memory is still 154.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:07:17,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/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_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:20,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:20,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 04:07:20,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:20,626 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:20,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:20,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:20,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:20,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:20,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:20,637 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:20,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:20,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:20,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:20,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:20,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:20,641 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:07:20,642 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:07:20,642 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:07:20,644 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:07:20,644 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:07:20,645 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:20,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:20,646 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:20,647 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:20,647 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:20,648 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:20,648 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:20,649 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:20,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:20,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:20,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:20,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:20,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:20,653 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:07:20,654 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:20,654 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:20,654 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:07:20,655 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:20,656 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_b8a8e697-9973-4338-b144-443d56d7d41e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2023-11-19 04:07:21,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:21,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:21,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:21,164 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:21,165 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:21,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/stack-1.i [2023-11-19 04:07:24,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:24,590 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:24,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/sv-benchmarks/c/pthread/stack-1.i [2023-11-19 04:07:24,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/data/67ee4b6d6/85a1e781448247abbaef8e14f460ad1c/FLAGf4575fd28 [2023-11-19 04:07:24,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/data/67ee4b6d6/85a1e781448247abbaef8e14f460ad1c [2023-11-19 04:07:24,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:24,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:24,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:24,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:24,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:24,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:24" (1/1) ... [2023-11-19 04:07:24,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70110e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:24, skipping insertion in model container [2023-11-19 04:07:24,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:24" (1/1) ... [2023-11-19 04:07:24,715 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:25,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:25,350 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:25,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:25,577 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:25,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:25 WrapperNode [2023-11-19 04:07:25,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:25,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:25,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:25,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:25,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:25" (1/1) ... [2023-11-19 04:07:25,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:25" (1/1) ... [2023-11-19 04:07:25,676 INFO L138 Inliner]: procedures = 281, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2023-11-19 04:07:25,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:25,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:25,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:25,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:25,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:25" (1/1) ... [2023-11-19 04:07:25,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:25" (1/1) ... [2023-11-19 04:07:25,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:25" (1/1) ... [2023-11-19 04:07:25,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:25" (1/1) ... [2023-11-19 04:07:25,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:25" (1/1) ... [2023-11-19 04:07:25,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:25" (1/1) ... [2023-11-19 04:07:25,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:25" (1/1) ... [2023-11-19 04:07:25,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:25" (1/1) ... [2023-11-19 04:07:25,768 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:25,769 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:25,773 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:25,773 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:25,774 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:25" (1/1) ... [2023-11-19 04:07:25,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:25,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:25,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:25,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:07:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 04:07:25,856 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 04:07:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 04:07:25,856 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 04:07:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:07:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:07:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:07:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:07:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:07:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-19 04:07:25,858 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-19 04:07:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 04:07:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-19 04:07:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-19 04:07:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:25,862 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:07:26,105 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:26,107 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:26,476 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:26,489 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:26,490 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:07:26,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:26 BoogieIcfgContainer [2023-11-19 04:07:26,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:26,502 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:26,503 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:26,514 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:26,514 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:26" (1/1) ... [2023-11-19 04:07:26,515 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 04:07:26,522 INFO L158 Benchmark]: Toolchain (without parser) took 1876.67ms. Allocated memory is still 86.0MB. Free memory was 60.0MB in the beginning and 46.8MB in the end (delta: 13.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-19 04:07:26,524 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:26,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 932.51ms. Allocated memory is still 86.0MB. Free memory was 59.8MB in the beginning and 47.1MB in the end (delta: 12.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2023-11-19 04:07:26,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.55ms. Allocated memory is still 86.0MB. Free memory was 47.1MB in the beginning and 44.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:26,527 INFO L158 Benchmark]: Boogie Preprocessor took 88.55ms. Allocated memory is still 86.0MB. Free memory was 44.2MB in the beginning and 41.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:26,528 INFO L158 Benchmark]: RCFGBuilder took 731.91ms. Allocated memory is still 86.0MB. Free memory was 41.9MB in the beginning and 47.9MB in the end (delta: -6.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-19 04:07:26,529 INFO L158 Benchmark]: CodeCheck took 17.72ms. Allocated memory is still 86.0MB. Free memory was 47.9MB in the beginning and 46.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:26,539 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 0.26ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 932.51ms. Allocated memory is still 86.0MB. Free memory was 59.8MB in the beginning and 47.1MB in the end (delta: 12.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.55ms. Allocated memory is still 86.0MB. Free memory was 47.1MB in the beginning and 44.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.55ms. Allocated memory is still 86.0MB. Free memory was 44.2MB in the beginning and 41.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 731.91ms. Allocated memory is still 86.0MB. Free memory was 41.9MB in the beginning and 47.9MB in the end (delta: -6.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * CodeCheck took 17.72ms. Allocated memory is still 86.0MB. Free memory was 47.9MB in the beginning and 46.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:07:26,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a8e697-9973-4338-b144-443d56d7d41e/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