./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 cf1a7837 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_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV --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-cf1a783 [2023-11-11 23:52:17,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:52:17,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:52:17,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:52:17,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:52:17,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:52:17,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:52:17,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:52:17,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:52:17,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:52:17,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:52:17,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:52:17,840 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:52:17,842 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:52:17,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:52:17,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:52:17,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:52:17,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:52:17,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:52:17,845 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:52:17,845 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:52:17,846 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:52:17,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:52:17,848 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:52:17,848 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:52:17,849 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:52:17,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:52:17,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:17,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:52:17,851 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:52:17,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:52:17,853 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:52:17,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:52:17,853 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:52:17,854 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_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e169a35d3412f69777e600b250d6db82170a9573bed36816bd393f67ca1b5302 [2023-11-11 23:52:18,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:52:18,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:52:18,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:52:18,146 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:52:18,146 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:52:18,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/fib_safe-12.i [2023-11-11 23:52:21,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:52:21,486 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:52:21,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/sv-benchmarks/c/pthread/fib_safe-12.i [2023-11-11 23:52:21,508 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/data/28a3ef09b/5484fc89643941ec8aa2210e6e9bc973/FLAG70080128d [2023-11-11 23:52:21,522 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/data/28a3ef09b/5484fc89643941ec8aa2210e6e9bc973 [2023-11-11 23:52:21,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:52:21,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:52:21,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:21,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:52:21,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:52:21,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:21" (1/1) ... [2023-11-11 23:52:21,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca03326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:21, skipping insertion in model container [2023-11-11 23:52:21,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:21" (1/1) ... [2023-11-11 23:52:21,593 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:52:22,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:22,060 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:52:22,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:22,174 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:22,174 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:22,182 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:52:22,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:22 WrapperNode [2023-11-11 23:52:22,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:22,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:22,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:52:22,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:52:22,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:22" (1/1) ... [2023-11-11 23:52:22,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:22" (1/1) ... [2023-11-11 23:52:22,262 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-11 23:52:22,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:22,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:52:22,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:52:22,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:52:22,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:22" (1/1) ... [2023-11-11 23:52:22,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:22" (1/1) ... [2023-11-11 23:52:22,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:22" (1/1) ... [2023-11-11 23:52:22,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:22" (1/1) ... [2023-11-11 23:52:22,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:22" (1/1) ... [2023-11-11 23:52:22,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:22" (1/1) ... [2023-11-11 23:52:22,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:22" (1/1) ... [2023-11-11 23:52:22,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:22" (1/1) ... [2023-11-11 23:52:22,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:52:22,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:52:22,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:52:22,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:52:22,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:22" (1/1) ... [2023-11-11 23:52:22,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:22,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:52:22,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:52:22,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:52:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:52:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:52:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:52:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:52:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:52:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:52:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:52:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:52:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:52:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:52:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:52:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:52:22,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:52:22,438 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:52:22,574 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:52:22,577 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:52:22,844 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:52:22,886 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:52:22,887 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:52:22,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:22 BoogieIcfgContainer [2023-11-11 23:52:22,889 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:52:22,890 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:52:22,891 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:52:22,901 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:52:22,902 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:22" (1/1) ... [2023-11-11 23:52:22,903 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) [2023-11-11 23:52:22,907 INFO L158 Benchmark]: Toolchain (without parser) took 1379.88ms. Allocated memory is still 125.8MB. Free memory was 83.5MB in the beginning and 89.2MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:52:22,907 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 125.8MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:52:22,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 656.15ms. Allocated memory is still 125.8MB. Free memory was 83.2MB in the beginning and 63.9MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:52:22,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.61ms. Allocated memory is still 125.8MB. Free memory was 63.9MB in the beginning and 61.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:52:22,909 INFO L158 Benchmark]: Boogie Preprocessor took 64.42ms. Allocated memory is still 125.8MB. Free memory was 61.8MB in the beginning and 60.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:52:22,910 INFO L158 Benchmark]: RCFGBuilder took 560.75ms. Allocated memory is still 125.8MB. Free memory was 60.1MB in the beginning and 90.3MB in the end (delta: -30.1MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-11 23:52:22,911 INFO L158 Benchmark]: CodeCheck took 14.64ms. Allocated memory is still 125.8MB. Free memory was 90.3MB in the beginning and 89.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:52:22,914 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 0.62ms. Allocated memory is still 125.8MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 656.15ms. Allocated memory is still 125.8MB. Free memory was 83.2MB in the beginning and 63.9MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.61ms. Allocated memory is still 125.8MB. Free memory was 63.9MB in the beginning and 61.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.42ms. Allocated memory is still 125.8MB. Free memory was 61.8MB in the beginning and 60.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 560.75ms. Allocated memory is still 125.8MB. Free memory was 60.1MB in the beginning and 90.3MB in the end (delta: -30.1MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * CodeCheck took 14.64ms. Allocated memory is still 125.8MB. Free memory was 90.3MB in the beginning and 89.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:52:22,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV --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-cf1a783 [2023-11-11 23:52:25,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:52:25,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:52:25,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:52:25,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:52:25,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:52:25,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:52:25,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:52:25,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:52:25,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:52:25,690 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:52:25,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:52:25,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:52:25,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:52:25,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:52:25,693 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:52:25,694 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:52:25,694 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:52:25,695 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:52:25,696 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:52:25,696 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:52:25,697 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:52:25,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:52:25,699 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:52:25,699 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:52:25,700 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:52:25,700 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:52:25,701 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:52:25,701 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:52:25,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:52:25,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:25,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:52:25,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:52:25,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:52:25,704 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:52:25,705 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:52:25,705 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:52:25,705 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:52:25,706 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:52:25,706 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_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e169a35d3412f69777e600b250d6db82170a9573bed36816bd393f67ca1b5302 [2023-11-11 23:52:26,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:52:26,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:52:26,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:52:26,161 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:52:26,161 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:52:26,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/fib_safe-12.i [2023-11-11 23:52:29,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:52:29,790 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:52:29,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/sv-benchmarks/c/pthread/fib_safe-12.i [2023-11-11 23:52:29,809 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/data/8dbd223b3/7a67c606c53349e9a3843588c90c9625/FLAGfcbeb3c73 [2023-11-11 23:52:29,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/data/8dbd223b3/7a67c606c53349e9a3843588c90c9625 [2023-11-11 23:52:29,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:52:29,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:52:29,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:29,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:52:29,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:52:29,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:29" (1/1) ... [2023-11-11 23:52:29,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b83b593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:29, skipping insertion in model container [2023-11-11 23:52:29,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:29" (1/1) ... [2023-11-11 23:52:29,941 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:52:30,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:30,479 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:52:30,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:30,606 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:30,607 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:30,616 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:52:30,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30 WrapperNode [2023-11-11 23:52:30,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:30,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:30,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:52:30,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:52:30,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,706 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-11 23:52:30,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:30,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:52:30,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:52:30,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:52:30,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:52:30,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:52:30,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:52:30,793 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:52:30,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:30,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:52:30,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:52:30,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:52:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:52:30,887 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:52:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:52:30,887 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:52:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:52:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:52:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:52:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:52:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:52:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:52:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:52:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:52:30,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:52:30,891 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:52:31,127 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:52:31,130 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:52:31,451 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:52:31,491 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:52:31,491 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:52:31,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:31 BoogieIcfgContainer [2023-11-11 23:52:31,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:52:31,497 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:52:31,498 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:52:31,510 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:52:31,510 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:31" (1/1) ... [2023-11-11 23:52:31,511 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) [2023-11-11 23:52:31,518 INFO L158 Benchmark]: Toolchain (without parser) took 1677.11ms. Allocated memory was 69.2MB in the beginning and 104.9MB in the end (delta: 35.7MB). Free memory was 34.5MB in the beginning and 72.6MB in the end (delta: -38.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:52:31,519 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 69.2MB. Free memory was 45.5MB in the beginning and 45.4MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:52:31,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 774.05ms. Allocated memory was 69.2MB in the beginning and 104.9MB in the end (delta: 35.7MB). Free memory was 34.4MB in the beginning and 66.8MB in the end (delta: -32.5MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-11-11 23:52:31,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.78ms. Allocated memory is still 104.9MB. Free memory was 66.8MB in the beginning and 64.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:52:31,523 INFO L158 Benchmark]: Boogie Preprocessor took 79.97ms. Allocated memory is still 104.9MB. Free memory was 64.8MB in the beginning and 62.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:52:31,524 INFO L158 Benchmark]: RCFGBuilder took 706.70ms. Allocated memory is still 104.9MB. Free memory was 62.7MB in the beginning and 73.7MB in the end (delta: -11.0MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-11-11 23:52:31,524 INFO L158 Benchmark]: CodeCheck took 19.05ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 72.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:52:31,535 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 1.25ms. Allocated memory is still 69.2MB. Free memory was 45.5MB in the beginning and 45.4MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 774.05ms. Allocated memory was 69.2MB in the beginning and 104.9MB in the end (delta: 35.7MB). Free memory was 34.4MB in the beginning and 66.8MB in the end (delta: -32.5MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.78ms. Allocated memory is still 104.9MB. Free memory was 66.8MB in the beginning and 64.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.97ms. Allocated memory is still 104.9MB. Free memory was 64.8MB in the beginning and 62.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 706.70ms. Allocated memory is still 104.9MB. Free memory was 62.7MB in the beginning and 73.7MB in the end (delta: -11.0MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * CodeCheck took 19.05ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 72.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:52:31,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e653539-0eaa-4eff-b3ad-e6c446fc6a39/bin/ukojak-verify-0OAaufAVZV/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