./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_safe-11.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_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/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_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/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_8505be5f-94a8-49c6-a369-fa641fefbc3e/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 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:49:13,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:49:13,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:49:13,400 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:49:13,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:49:13,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:49:13,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:49:13,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:49:13,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:49:13,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:49:13,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:49:13,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:49:13,462 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:49:13,463 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:49:13,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:49:13,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:49:13,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:49:13,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:49:13,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:49:13,466 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:49:13,466 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:49:13,467 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:49:13,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:49:13,468 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:49:13,468 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:49:13,469 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:49:13,469 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:49:13,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:49:13,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:13,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:49:13,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:49:13,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:49:13,473 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:49:13,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:49:13,473 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:49:13,474 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_8505be5f-94a8-49c6-a369-fa641fefbc3e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 [2023-11-19 02:49:13,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:49:13,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:49:13,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:49:13,768 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:49:13,769 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:49:13,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_safe-11.i [2023-11-19 02:49:16,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:49:17,208 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:49:17,216 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/sv-benchmarks/c/pthread/fib_safe-11.i [2023-11-19 02:49:17,231 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/data/c9afe71ea/a203b922bdef4365b4548ae8b45792c5/FLAG418e54696 [2023-11-19 02:49:17,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/data/c9afe71ea/a203b922bdef4365b4548ae8b45792c5 [2023-11-19 02:49:17,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:49:17,250 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:49:17,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:17,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:49:17,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:49:17,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:17" (1/1) ... [2023-11-19 02:49:17,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6288f9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:17, skipping insertion in model container [2023-11-19 02:49:17,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:17" (1/1) ... [2023-11-19 02:49:17,314 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:49:17,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:17,697 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:49:17,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:17,819 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:17,819 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:17,827 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:49:17,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:17 WrapperNode [2023-11-19 02:49:17,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:17,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:17,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:49:17,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:49:17,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:17" (1/1) ... [2023-11-19 02:49:17,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:17" (1/1) ... [2023-11-19 02:49:17,907 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-19 02:49:17,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:17,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:49:17,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:49:17,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:49:17,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:17" (1/1) ... [2023-11-19 02:49:17,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:17" (1/1) ... [2023-11-19 02:49:17,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:17" (1/1) ... [2023-11-19 02:49:17,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:17" (1/1) ... [2023-11-19 02:49:17,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:17" (1/1) ... [2023-11-19 02:49:17,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:17" (1/1) ... [2023-11-19 02:49:17,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:17" (1/1) ... [2023-11-19 02:49:17,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:17" (1/1) ... [2023-11-19 02:49:17,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:49:17,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:49:17,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:49:17,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:49:17,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:17" (1/1) ... [2023-11-19 02:49:17,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:17,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:49:18,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:49:18,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:49:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 02:49:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 02:49:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 02:49:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 02:49:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:49:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:49:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:49:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:49:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:49:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:49:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:49:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:49:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:49:18,064 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 02:49:18,217 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:49:18,220 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:49:18,433 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:49:18,472 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:49:18,473 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:49:18,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:18 BoogieIcfgContainer [2023-11-19 02:49:18,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:49:18,478 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:49:18,478 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:49:18,489 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:49:18,489 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:18" (1/1) ... [2023-11-19 02:49:18,491 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 02:49:18,495 INFO L158 Benchmark]: Toolchain (without parser) took 1244.21ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 95.7MB in the beginning and 153.9MB in the end (delta: -58.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:18,496 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:18,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.87ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 76.1MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:49:18,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.21ms. Allocated memory is still 142.6MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:49:18,498 INFO L158 Benchmark]: Boogie Preprocessor took 63.12ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 74.0MB in the beginning and 168.5MB in the end (delta: -94.6MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2023-11-19 02:49:18,499 INFO L158 Benchmark]: RCFGBuilder took 503.88ms. Allocated memory is still 199.2MB. Free memory was 168.5MB in the beginning and 154.8MB in the end (delta: 13.7MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-11-19 02:49:18,500 INFO L158 Benchmark]: CodeCheck took 15.48ms. Allocated memory is still 199.2MB. Free memory was 154.8MB in the beginning and 153.9MB in the end (delta: 865.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:18,503 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.87ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 76.1MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.21ms. Allocated memory is still 142.6MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.12ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 74.0MB in the beginning and 168.5MB in the end (delta: -94.6MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * RCFGBuilder took 503.88ms. Allocated memory is still 199.2MB. Free memory was 168.5MB in the beginning and 154.8MB in the end (delta: 13.7MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * CodeCheck took 15.48ms. Allocated memory is still 199.2MB. Free memory was 154.8MB in the beginning and 153.9MB in the end (delta: 865.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:49:18,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/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_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/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_8505be5f-94a8-49c6-a369-fa641fefbc3e/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 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:49:21,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:49:21,354 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:49:21,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:49:21,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:49:21,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:49:21,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:49:21,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:49:21,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:49:21,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:49:21,417 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:49:21,418 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:49:21,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:49:21,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:49:21,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:49:21,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:49:21,422 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:49:21,422 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:49:21,423 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:49:21,424 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:49:21,425 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:49:21,425 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:49:21,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:49:21,426 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:49:21,427 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:49:21,427 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:49:21,428 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:49:21,429 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:49:21,429 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:49:21,429 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:49:21,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:21,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:49:21,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:49:21,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:49:21,432 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:49:21,433 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:49:21,433 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:49:21,433 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:49:21,433 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:49:21,434 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_8505be5f-94a8-49c6-a369-fa641fefbc3e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 [2023-11-19 02:49:21,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:49:21,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:49:21,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:49:21,906 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:49:21,907 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:49:21,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_safe-11.i [2023-11-19 02:49:25,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:49:25,491 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:49:25,492 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/sv-benchmarks/c/pthread/fib_safe-11.i [2023-11-19 02:49:25,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/data/aebf57a7a/83a74d7e095248648003540cf747dfbc/FLAG6b527b661 [2023-11-19 02:49:25,539 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/data/aebf57a7a/83a74d7e095248648003540cf747dfbc [2023-11-19 02:49:25,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:49:25,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:49:25,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:25,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:49:25,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:49:25,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:25" (1/1) ... [2023-11-19 02:49:25,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d1f73fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:25, skipping insertion in model container [2023-11-19 02:49:25,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:25" (1/1) ... [2023-11-19 02:49:25,621 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:49:26,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:26,098 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:49:26,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:26,270 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:26,270 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:26,279 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:49:26,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:26 WrapperNode [2023-11-19 02:49:26,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:26,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:26,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:49:26,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:49:26,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:26" (1/1) ... [2023-11-19 02:49:26,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:26" (1/1) ... [2023-11-19 02:49:26,383 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-19 02:49:26,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:26,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:49:26,385 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:49:26,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:49:26,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:26" (1/1) ... [2023-11-19 02:49:26,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:26" (1/1) ... [2023-11-19 02:49:26,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:26" (1/1) ... [2023-11-19 02:49:26,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:26" (1/1) ... [2023-11-19 02:49:26,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:26" (1/1) ... [2023-11-19 02:49:26,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:26" (1/1) ... [2023-11-19 02:49:26,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:26" (1/1) ... [2023-11-19 02:49:26,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:26" (1/1) ... [2023-11-19 02:49:26,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:49:26,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:49:26,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:49:26,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:49:26,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:26" (1/1) ... [2023-11-19 02:49:26,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:26,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:49:26,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:49:26,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:49:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 02:49:26,550 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 02:49:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 02:49:26,551 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 02:49:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:49:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:49:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:49:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:49:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:49:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:49:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:49:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:49:26,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:49:26,554 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 02:49:26,739 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:49:26,742 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:49:27,067 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:49:27,119 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:49:27,124 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:49:27,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:27 BoogieIcfgContainer [2023-11-19 02:49:27,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:49:27,132 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:49:27,132 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:49:27,181 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:49:27,182 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:27" (1/1) ... [2023-11-19 02:49:27,182 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 02:49:27,189 INFO L158 Benchmark]: Toolchain (without parser) took 1641.74ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 61.5MB in the end (delta: -2.2MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2023-11-19 02:49:27,190 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 60.8MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 52.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:27,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.50ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 58.1MB in the end (delta: 943.3kB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2023-11-19 02:49:27,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.53ms. Allocated memory is still 83.9MB. Free memory was 58.1MB in the beginning and 55.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:49:27,193 INFO L158 Benchmark]: Boogie Preprocessor took 73.60ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 53.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:27,194 INFO L158 Benchmark]: RCFGBuilder took 671.76ms. Allocated memory is still 83.9MB. Free memory was 53.9MB in the beginning and 35.7MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:49:27,195 INFO L158 Benchmark]: CodeCheck took 55.69ms. Allocated memory is still 83.9MB. Free memory was 35.3MB in the beginning and 61.5MB in the end (delta: -26.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-11-19 02:49:27,204 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 60.8MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 52.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.50ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 58.1MB in the end (delta: 943.3kB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.53ms. Allocated memory is still 83.9MB. Free memory was 58.1MB in the beginning and 55.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.60ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 53.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 671.76ms. Allocated memory is still 83.9MB. Free memory was 53.9MB in the beginning and 35.7MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 55.69ms. Allocated memory is still 83.9MB. Free memory was 35.3MB in the beginning and 61.5MB in the end (delta: -26.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:49:27,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8505be5f-94a8-49c6-a369-fa641fefbc3e/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