./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_safe-5.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_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/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_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/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_e815b545-7a74-41d6-b9b2-099c410a3f65/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 74a086edb560572752b8cbc391425d974c2cbbd7d3553767e0707a5dc02a4897 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:38:57,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:38:57,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:38:57,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:38:57,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:38:57,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:38:57,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:38:57,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:38:57,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:38:57,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:38:57,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:38:57,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:38:57,900 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:38:57,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:38:57,902 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:38:57,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:38:57,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:38:57,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:38:57,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:38:57,905 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:38:57,905 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:38:57,906 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:38:57,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:38:57,907 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:38:57,907 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:38:57,908 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:38:57,908 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:38:57,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:38:57,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:57,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:38:57,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:38:57,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:38:57,912 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:38:57,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:38:57,913 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:38:57,913 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_e815b545-7a74-41d6-b9b2-099c410a3f65/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74a086edb560572752b8cbc391425d974c2cbbd7d3553767e0707a5dc02a4897 [2023-11-19 03:38:58,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:38:58,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:38:58,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:38:58,302 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:38:58,302 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:38:58,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_safe-5.i [2023-11-19 03:39:01,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:39:01,782 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:39:01,786 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/sv-benchmarks/c/pthread/fib_safe-5.i [2023-11-19 03:39:01,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/data/4462837d5/87c1f33098bb4604bc8dd585fe6071ad/FLAGe0b79a035 [2023-11-19 03:39:01,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/data/4462837d5/87c1f33098bb4604bc8dd585fe6071ad [2023-11-19 03:39:01,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:39:01,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:39:01,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:01,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:39:01,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:39:01,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:01" (1/1) ... [2023-11-19 03:39:01,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2775076e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:01, skipping insertion in model container [2023-11-19 03:39:01,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:01" (1/1) ... [2023-11-19 03:39:01,933 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:39:02,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:02,369 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:39:02,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:02,478 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:39:02,478 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:39:02,486 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:39:02,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02 WrapperNode [2023-11-19 03:39:02,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:02,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:02,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:39:02,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:39:02,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,550 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-19 03:39:02,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:02,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:39:02,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:39:02,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:39:02,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:39:02,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:39:02,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:39:02,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:39:02,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:02,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:39:02,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:39:02,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:39:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 03:39:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 03:39:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 03:39:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 03:39:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:39:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:39:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:39:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:39:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:39:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:39:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:39:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:39:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:39:02,666 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 03:39:02,817 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:39:02,820 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:39:03,049 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:39:03,088 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:39:03,088 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:39:03,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:03 BoogieIcfgContainer [2023-11-19 03:39:03,092 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:39:03,093 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:39:03,093 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:39:03,103 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:39:03,103 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:03" (1/1) ... [2023-11-19 03:39:03,104 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 03:39:03,111 INFO L158 Benchmark]: Toolchain (without parser) took 1273.87ms. Allocated memory is still 176.2MB. Free memory was 144.8MB in the beginning and 133.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-11-19 03:39:03,111 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 130.0MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:39:03,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 647.61ms. Allocated memory is still 176.2MB. Free memory was 144.6MB in the beginning and 128.7MB in the end (delta: 16.0MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2023-11-19 03:39:03,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.84ms. Allocated memory is still 176.2MB. Free memory was 128.7MB in the beginning and 126.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:03,115 INFO L158 Benchmark]: Boogie Preprocessor took 36.83ms. Allocated memory is still 176.2MB. Free memory was 126.6MB in the beginning and 124.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:03,116 INFO L158 Benchmark]: RCFGBuilder took 502.89ms. Allocated memory is still 176.2MB. Free memory was 124.9MB in the beginning and 135.1MB in the end (delta: -10.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:39:03,117 INFO L158 Benchmark]: CodeCheck took 15.93ms. Allocated memory is still 176.2MB. Free memory was 135.1MB in the beginning and 133.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:03,121 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 0.21ms. Allocated memory is still 130.0MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 647.61ms. Allocated memory is still 176.2MB. Free memory was 144.6MB in the beginning and 128.7MB in the end (delta: 16.0MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.84ms. Allocated memory is still 176.2MB. Free memory was 128.7MB in the beginning and 126.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.83ms. Allocated memory is still 176.2MB. Free memory was 126.6MB in the beginning and 124.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 502.89ms. Allocated memory is still 176.2MB. Free memory was 124.9MB in the beginning and 135.1MB in the end (delta: -10.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 15.93ms. Allocated memory is still 176.2MB. Free memory was 135.1MB in the beginning and 133.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:39:03,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/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_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/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_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/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_e815b545-7a74-41d6-b9b2-099c410a3f65/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 74a086edb560572752b8cbc391425d974c2cbbd7d3553767e0707a5dc02a4897 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:39:05,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:39:05,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:39:05,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:39:05,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:39:05,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:39:05,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:39:05,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:39:05,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:39:05,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:39:05,731 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:39:05,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:39:05,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:39:05,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:39:05,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:39:05,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:39:05,734 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:39:05,735 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:39:05,735 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:39:05,736 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:39:05,737 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:39:05,737 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:39:05,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:39:05,738 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:39:05,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:39:05,740 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:39:05,740 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:39:05,741 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:39:05,741 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:39:05,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:39:05,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:05,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:39:05,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:39:05,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:39:05,744 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:39:05,745 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:39:05,745 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:39:05,746 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:39:05,746 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:39:05,746 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_e815b545-7a74-41d6-b9b2-099c410a3f65/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74a086edb560572752b8cbc391425d974c2cbbd7d3553767e0707a5dc02a4897 [2023-11-19 03:39:06,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:39:06,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:39:06,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:39:06,163 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:39:06,163 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:39:06,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_safe-5.i [2023-11-19 03:39:09,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:39:09,637 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:39:09,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/sv-benchmarks/c/pthread/fib_safe-5.i [2023-11-19 03:39:09,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/data/c092c3afa/bd24352c3e9d46c1b488414d858ee848/FLAGd51d343a6 [2023-11-19 03:39:09,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/data/c092c3afa/bd24352c3e9d46c1b488414d858ee848 [2023-11-19 03:39:09,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:39:09,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:39:09,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:09,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:39:09,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:39:09,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:09" (1/1) ... [2023-11-19 03:39:09,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10749b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:09, skipping insertion in model container [2023-11-19 03:39:09,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:09" (1/1) ... [2023-11-19 03:39:09,733 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:39:10,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:10,083 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:39:10,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:10,182 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:39:10,183 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:39:10,190 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:39:10,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:10 WrapperNode [2023-11-19 03:39:10,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:10,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:10,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:39:10,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:39:10,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:10" (1/1) ... [2023-11-19 03:39:10,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:10" (1/1) ... [2023-11-19 03:39:10,292 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-19 03:39:10,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:10,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:39:10,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:39:10,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:39:10,304 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:10" (1/1) ... [2023-11-19 03:39:10,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:10" (1/1) ... [2023-11-19 03:39:10,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:10" (1/1) ... [2023-11-19 03:39:10,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:10" (1/1) ... [2023-11-19 03:39:10,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:10" (1/1) ... [2023-11-19 03:39:10,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:10" (1/1) ... [2023-11-19 03:39:10,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:10" (1/1) ... [2023-11-19 03:39:10,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:10" (1/1) ... [2023-11-19 03:39:10,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:39:10,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:39:10,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:39:10,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:39:10,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:10" (1/1) ... [2023-11-19 03:39:10,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:10,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:39:10,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:39:10,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:39:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 03:39:10,450 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 03:39:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 03:39:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 03:39:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:39:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:39:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:39:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:39:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:39:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:39:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:39:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:39:10,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:39:10,454 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 03:39:10,611 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:39:10,614 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:39:10,937 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:39:10,976 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:39:10,981 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:39:10,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:10 BoogieIcfgContainer [2023-11-19 03:39:10,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:39:10,988 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:39:10,989 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:39:10,998 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:39:10,998 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:10" (1/1) ... [2023-11-19 03:39:10,999 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 03:39:11,002 INFO L158 Benchmark]: Toolchain (without parser) took 1325.03ms. Allocated memory is still 104.9MB. Free memory was 80.4MB in the beginning and 60.7MB in the end (delta: 19.7MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-11-19 03:39:11,003 INFO L158 Benchmark]: CDTParser took 1.10ms. Allocated memory is still 62.9MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:39:11,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.54ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 59.5MB in the end (delta: 20.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:39:11,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.67ms. Allocated memory is still 104.9MB. Free memory was 59.5MB in the beginning and 82.4MB in the end (delta: -22.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-11-19 03:39:11,004 INFO L158 Benchmark]: Boogie Preprocessor took 78.95ms. Allocated memory is still 104.9MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:11,005 INFO L158 Benchmark]: RCFGBuilder took 612.24ms. Allocated memory is still 104.9MB. Free memory was 80.3MB in the beginning and 61.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:39:11,006 INFO L158 Benchmark]: CodeCheck took 12.28ms. Allocated memory is still 104.9MB. Free memory was 61.8MB in the beginning and 60.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:11,009 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 1.10ms. Allocated memory is still 62.9MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.54ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 59.5MB in the end (delta: 20.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.67ms. Allocated memory is still 104.9MB. Free memory was 59.5MB in the beginning and 82.4MB in the end (delta: -22.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.95ms. Allocated memory is still 104.9MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 612.24ms. Allocated memory is still 104.9MB. Free memory was 80.3MB in the beginning and 61.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 12.28ms. Allocated memory is still 104.9MB. Free memory was 61.8MB in the beginning and 60.7MB 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. [2023-11-19 03:39:11,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e815b545-7a74-41d6-b9b2-099c410a3f65/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