./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_safe-12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/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_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/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_8a1561c8-fb9e-4758-9f15-2c534266af4f/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 e169a35d3412f69777e600b250d6db82170a9573bed36816bd393f67ca1b5302 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:40:36,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:40:37,100 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:40:37,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:40:37,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:40:37,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:40:37,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:40:37,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:40:37,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:40:37,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:40:37,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:40:37,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:40:37,162 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:40:37,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:40:37,164 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:40:37,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:40:37,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:40:37,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:40:37,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:40:37,166 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:40:37,166 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:40:37,167 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:40:37,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:40:37,168 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:40:37,168 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:40:37,169 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:40:37,169 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:40:37,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:40:37,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:40:37,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:40:37,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:40:37,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:40:37,173 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:40:37,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:40:37,173 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:40:37,174 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_8a1561c8-fb9e-4758-9f15-2c534266af4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e169a35d3412f69777e600b250d6db82170a9573bed36816bd393f67ca1b5302 [2023-11-19 02:40:37,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:40:37,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:40:37,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:40:37,503 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:40:37,504 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:40:37,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_safe-12.i [2023-11-19 02:40:40,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:40:41,020 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:40:41,020 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/sv-benchmarks/c/pthread/fib_safe-12.i [2023-11-19 02:40:41,045 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/data/fab566071/aa6c6c793ca946deaf216bf398053f5f/FLAG86cb0c0e0 [2023-11-19 02:40:41,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/data/fab566071/aa6c6c793ca946deaf216bf398053f5f [2023-11-19 02:40:41,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:40:41,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:40:41,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:40:41,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:40:41,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:40:41,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:41" (1/1) ... [2023-11-19 02:40:41,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78876d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:41, skipping insertion in model container [2023-11-19 02:40:41,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:41" (1/1) ... [2023-11-19 02:40:41,138 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:40:41,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:40:41,557 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:40:41,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:40:41,686 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:40:41,687 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:40:41,694 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:40:41,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:41 WrapperNode [2023-11-19 02:40:41,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:40:41,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:40:41,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:40:41,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:40:41,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:41" (1/1) ... [2023-11-19 02:40:41,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:41" (1/1) ... [2023-11-19 02:40:41,759 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-19 02:40:41,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:40:41,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:40:41,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:40:41,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:40:41,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:41" (1/1) ... [2023-11-19 02:40:41,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:41" (1/1) ... [2023-11-19 02:40:41,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:41" (1/1) ... [2023-11-19 02:40:41,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:41" (1/1) ... [2023-11-19 02:40:41,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:41" (1/1) ... [2023-11-19 02:40:41,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:41" (1/1) ... [2023-11-19 02:40:41,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:41" (1/1) ... [2023-11-19 02:40:41,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:41" (1/1) ... [2023-11-19 02:40:41,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:40:41,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:40:41,794 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:40:41,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:40:41,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:41" (1/1) ... [2023-11-19 02:40:41,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:40:41,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:40:41,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:40:41,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:40:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 02:40:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 02:40:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 02:40:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 02:40:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:40:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:40:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:40:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:40:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:40:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:40:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:40:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:40:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:40:41,881 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 02:40:42,033 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:40:42,035 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:40:42,262 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:40:42,301 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:40:42,301 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:40:42,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:42 BoogieIcfgContainer [2023-11-19 02:40:42,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:40:42,306 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:40:42,307 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:40:42,316 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:40:42,316 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:42" (1/1) ... [2023-11-19 02:40:42,317 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 02:40:42,320 INFO L158 Benchmark]: Toolchain (without parser) took 1243.58ms. Allocated memory was 140.5MB in the beginning and 174.1MB in the end (delta: 33.6MB). Free memory was 94.1MB in the beginning and 136.8MB in the end (delta: -42.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:40:42,320 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 140.5MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:40:42,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.37ms. Allocated memory is still 140.5MB. Free memory was 93.8MB in the beginning and 74.6MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:40:42,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.54ms. Allocated memory is still 140.5MB. Free memory was 74.2MB in the beginning and 72.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:40:42,323 INFO L158 Benchmark]: Boogie Preprocessor took 32.69ms. Allocated memory is still 140.5MB. Free memory was 72.5MB in the beginning and 70.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:40:42,323 INFO L158 Benchmark]: RCFGBuilder took 511.59ms. Allocated memory was 140.5MB in the beginning and 174.1MB in the end (delta: 33.6MB). Free memory was 70.7MB in the beginning and 137.8MB in the end (delta: -67.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-11-19 02:40:42,324 INFO L158 Benchmark]: CodeCheck took 12.09ms. Allocated memory is still 174.1MB. Free memory was 137.8MB in the beginning and 136.8MB in the end (delta: 983.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:40:42,327 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 0.23ms. Allocated memory is still 140.5MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.37ms. Allocated memory is still 140.5MB. Free memory was 93.8MB in the beginning and 74.6MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.54ms. Allocated memory is still 140.5MB. Free memory was 74.2MB in the beginning and 72.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.69ms. Allocated memory is still 140.5MB. Free memory was 72.5MB in the beginning and 70.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 511.59ms. Allocated memory was 140.5MB in the beginning and 174.1MB in the end (delta: 33.6MB). Free memory was 70.7MB in the beginning and 137.8MB in the end (delta: -67.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * CodeCheck took 12.09ms. Allocated memory is still 174.1MB. Free memory was 137.8MB in the beginning and 136.8MB in the end (delta: 983.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:40:42,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/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_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/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_8a1561c8-fb9e-4758-9f15-2c534266af4f/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 e169a35d3412f69777e600b250d6db82170a9573bed36816bd393f67ca1b5302 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:40:45,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:40:45,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:40:45,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:40:45,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:40:45,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:40:45,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:40:45,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:40:45,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:40:45,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:40:45,243 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:40:45,244 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:40:45,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:40:45,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:40:45,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:40:45,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:40:45,246 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:40:45,247 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:40:45,248 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:40:45,248 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:40:45,249 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:40:45,249 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:40:45,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:40:45,250 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:40:45,251 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:40:45,251 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:40:45,252 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:40:45,252 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:40:45,253 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:40:45,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:40:45,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:40:45,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:40:45,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:40:45,255 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:40:45,255 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:40:45,255 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:40:45,255 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:40:45,256 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:40:45,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:40:45,256 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_8a1561c8-fb9e-4758-9f15-2c534266af4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e169a35d3412f69777e600b250d6db82170a9573bed36816bd393f67ca1b5302 [2023-11-19 02:40:45,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:40:45,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:40:45,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:40:45,769 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:40:45,770 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:40:45,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_safe-12.i [2023-11-19 02:40:48,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:40:49,261 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:40:49,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/sv-benchmarks/c/pthread/fib_safe-12.i [2023-11-19 02:40:49,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/data/70147e1d7/2f92b40b10b249cdaa9c77f9a10f0835/FLAG26b374934 [2023-11-19 02:40:49,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/data/70147e1d7/2f92b40b10b249cdaa9c77f9a10f0835 [2023-11-19 02:40:49,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:40:49,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:40:49,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:40:49,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:40:49,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:40:49,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:49" (1/1) ... [2023-11-19 02:40:49,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fc27d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:49, skipping insertion in model container [2023-11-19 02:40:49,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:49" (1/1) ... [2023-11-19 02:40:49,422 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:40:49,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:40:50,006 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:40:50,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:40:50,203 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:40:50,203 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:40:50,213 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:40:50,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:50 WrapperNode [2023-11-19 02:40:50,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:40:50,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:40:50,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:40:50,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:40:50,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:50" (1/1) ... [2023-11-19 02:40:50,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:50" (1/1) ... [2023-11-19 02:40:50,304 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-19 02:40:50,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:40:50,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:40:50,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:40:50,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:40:50,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:50" (1/1) ... [2023-11-19 02:40:50,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:50" (1/1) ... [2023-11-19 02:40:50,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:50" (1/1) ... [2023-11-19 02:40:50,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:50" (1/1) ... [2023-11-19 02:40:50,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:50" (1/1) ... [2023-11-19 02:40:50,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:50" (1/1) ... [2023-11-19 02:40:50,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:50" (1/1) ... [2023-11-19 02:40:50,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:50" (1/1) ... [2023-11-19 02:40:50,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:40:50,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:40:50,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:40:50,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:40:50,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:50" (1/1) ... [2023-11-19 02:40:50,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:40:50,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:40:50,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:40:50,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:40:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 02:40:50,496 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 02:40:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 02:40:50,497 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 02:40:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:40:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:40:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:40:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:40:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:40:50,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:40:50,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:40:50,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:40:50,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:40:50,501 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 02:40:50,680 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:40:50,683 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:40:51,005 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:40:51,043 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:40:51,044 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:40:51,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:51 BoogieIcfgContainer [2023-11-19 02:40:51,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:40:51,050 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:40:51,050 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:40:51,062 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:40:51,063 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:51" (1/1) ... [2023-11-19 02:40:51,064 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 02:40:51,069 INFO L158 Benchmark]: Toolchain (without parser) took 1744.37ms. Allocated memory was 71.3MB in the beginning and 113.2MB in the end (delta: 41.9MB). Free memory was 46.7MB in the beginning and 60.1MB in the end (delta: -13.4MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-11-19 02:40:51,069 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:40:51,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 887.18ms. Allocated memory was 71.3MB in the beginning and 113.2MB in the end (delta: 41.9MB). Free memory was 46.5MB in the beginning and 84.5MB in the end (delta: -38.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-11-19 02:40:51,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.71ms. Allocated memory is still 113.2MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:40:51,072 INFO L158 Benchmark]: Boogie Preprocessor took 77.38ms. Allocated memory is still 113.2MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:40:51,073 INFO L158 Benchmark]: RCFGBuilder took 664.72ms. Allocated memory is still 113.2MB. Free memory was 80.3MB in the beginning and 61.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:40:51,074 INFO L158 Benchmark]: CodeCheck took 17.09ms. Allocated memory is still 113.2MB. Free memory was 61.4MB in the beginning and 60.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:40:51,078 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 71.3MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 887.18ms. Allocated memory was 71.3MB in the beginning and 113.2MB in the end (delta: 41.9MB). Free memory was 46.5MB in the beginning and 84.5MB in the end (delta: -38.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.71ms. Allocated memory is still 113.2MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.38ms. Allocated memory is still 113.2MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 664.72ms. Allocated memory is still 113.2MB. Free memory was 80.3MB in the beginning and 61.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 17.09ms. Allocated memory is still 113.2MB. Free memory was 61.4MB in the beginning and 60.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:40:51,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1561c8-fb9e-4758-9f15-2c534266af4f/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