./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2 --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 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:48:39,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:39,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:48:39,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:48:39,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:48:39,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:39,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:39,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:39,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:39,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:39,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:39,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:39,181 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:48:39,182 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:48:39,183 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:48:39,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:39,184 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:39,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:39,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:39,185 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:48:39,186 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:48:39,186 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:48:39,187 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:39,187 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:39,188 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:39,189 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:39,189 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:39,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:39,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:39,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:39,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:39,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:39,193 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:48:39,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:48:39,193 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:39,193 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_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6 [2023-11-21 18:48:39,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:39,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:39,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:39,565 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:39,565 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:39,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/fib_unsafe-11.i [2023-11-21 18:48:42,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:42,897 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:42,898 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/sv-benchmarks/c/pthread/fib_unsafe-11.i [2023-11-21 18:48:42,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/data/19c6d343b/8e71bc51b6444ca9bf759bdca8808466/FLAG5c675e88e [2023-11-21 18:48:42,939 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/data/19c6d343b/8e71bc51b6444ca9bf759bdca8808466 [2023-11-21 18:48:42,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:42,947 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:42,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:42,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:42,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:42,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:42" (1/1) ... [2023-11-21 18:48:42,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d4e1a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:42, skipping insertion in model container [2023-11-21 18:48:42,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:42" (1/1) ... [2023-11-21 18:48:43,016 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:43,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:43,392 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:43,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:43,476 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:43,477 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:43,485 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:43,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:43 WrapperNode [2023-11-21 18:48:43,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:43,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:43,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:43,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:43,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:43" (1/1) ... [2023-11-21 18:48:43,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:43" (1/1) ... [2023-11-21 18:48:43,563 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-11-21 18:48:43,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:43,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:43,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:43,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:43,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:43" (1/1) ... [2023-11-21 18:48:43,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:43" (1/1) ... [2023-11-21 18:48:43,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:43" (1/1) ... [2023-11-21 18:48:43,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:43" (1/1) ... [2023-11-21 18:48:43,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:43" (1/1) ... [2023-11-21 18:48:43,603 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:43" (1/1) ... [2023-11-21 18:48:43,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:43" (1/1) ... [2023-11-21 18:48:43,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:43" (1/1) ... [2023-11-21 18:48:43,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:43,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:43,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:43,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:43,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:43" (1/1) ... [2023-11-21 18:48:43,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:43,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:43,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:43,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:48:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:48:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:48:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:48:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:48:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:48:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:48:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:48:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:48:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:48:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:48:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:43,723 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:48:43,924 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:43,927 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:44,207 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:48:44,262 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:48:44,262 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:48:44,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:44 BoogieIcfgContainer [2023-11-21 18:48:44,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:48:44,265 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:48:44,266 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:48:44,277 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:48:44,278 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:44" (1/1) ... [2023-11-21 18:48:44,278 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) [2023-11-21 18:48:44,283 INFO L158 Benchmark]: Toolchain (without parser) took 1335.44ms. Allocated memory is still 136.3MB. Free memory was 103.8MB in the beginning and 61.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-21 18:48:44,284 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:48:44,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.35ms. Allocated memory is still 136.3MB. Free memory was 103.8MB in the beginning and 83.9MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:48:44,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.63ms. Allocated memory is still 136.3MB. Free memory was 83.9MB in the beginning and 81.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:48:44,288 INFO L158 Benchmark]: Boogie Preprocessor took 56.85ms. Allocated memory is still 136.3MB. Free memory was 81.7MB in the beginning and 80.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:48:44,296 INFO L158 Benchmark]: RCFGBuilder took 641.63ms. Allocated memory is still 136.3MB. Free memory was 80.2MB in the beginning and 63.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:48:44,297 INFO L158 Benchmark]: CodeCheck took 16.31ms. Allocated memory is still 136.3MB. Free memory was 63.0MB in the beginning and 61.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:48:44,308 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 0.19ms. Allocated memory is still 111.1MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 533.35ms. Allocated memory is still 136.3MB. Free memory was 103.8MB in the beginning and 83.9MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.63ms. Allocated memory is still 136.3MB. Free memory was 83.9MB in the beginning and 81.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.85ms. Allocated memory is still 136.3MB. Free memory was 81.7MB in the beginning and 80.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 641.63ms. Allocated memory is still 136.3MB. Free memory was 80.2MB in the beginning and 63.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 16.31ms. Allocated memory is still 136.3MB. Free memory was 63.0MB in the beginning and 61.8MB 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. [2023-11-21 18:48:44,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2 --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 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:48:46,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:46,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:48:47,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:47,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:47,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:47,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:47,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:47,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:47,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:47,013 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:48:47,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:48:47,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:47,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:47,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:47,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:47,020 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:48:47,021 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:48:47,021 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:48:47,022 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:48:47,022 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:48:47,023 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:48:47,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:47,024 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:47,024 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:47,025 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:47,025 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:47,025 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:48:47,026 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:48:47,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:47,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:47,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:47,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:47,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:47,029 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:48:47,030 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:48:47,030 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:47,030 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:48:47,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:48:47,032 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_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6 [2023-11-21 18:48:47,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:47,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:47,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:47,464 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:47,464 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:47,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/fib_unsafe-11.i [2023-11-21 18:48:50,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:50,933 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:50,934 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/sv-benchmarks/c/pthread/fib_unsafe-11.i [2023-11-21 18:48:50,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/data/880221fdf/00d673cdf90a41939010133a1b7f88d1/FLAGf1703248a [2023-11-21 18:48:50,980 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/data/880221fdf/00d673cdf90a41939010133a1b7f88d1 [2023-11-21 18:48:50,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:50,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:50,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:50,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:50,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:51,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:50" (1/1) ... [2023-11-21 18:48:51,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa83f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:51, skipping insertion in model container [2023-11-21 18:48:51,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:50" (1/1) ... [2023-11-21 18:48:51,071 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:51,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:51,493 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:51,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:51,600 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:51,600 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:51,608 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:51,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:51 WrapperNode [2023-11-21 18:48:51,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:51,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:51,610 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:51,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:51,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:51" (1/1) ... [2023-11-21 18:48:51,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:51" (1/1) ... [2023-11-21 18:48:51,691 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-11-21 18:48:51,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:51,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:51,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:51,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:51,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:51" (1/1) ... [2023-11-21 18:48:51,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:51" (1/1) ... [2023-11-21 18:48:51,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:51" (1/1) ... [2023-11-21 18:48:51,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:51" (1/1) ... [2023-11-21 18:48:51,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:51" (1/1) ... [2023-11-21 18:48:51,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:51" (1/1) ... [2023-11-21 18:48:51,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:51" (1/1) ... [2023-11-21 18:48:51,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:51" (1/1) ... [2023-11-21 18:48:51,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:51,766 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:51,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:51,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:51,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:51" (1/1) ... [2023-11-21 18:48:51,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:51,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:51,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:51,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:48:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:48:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:48:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:48:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:48:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:48:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:48:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:48:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:48:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:48:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:48:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:51,852 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:48:52,011 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:52,014 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:52,358 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:48:52,394 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:48:52,394 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:48:52,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:52 BoogieIcfgContainer [2023-11-21 18:48:52,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:48:52,397 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:48:52,397 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:48:52,408 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:48:52,408 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:52" (1/1) ... [2023-11-21 18:48:52,409 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) [2023-11-21 18:48:52,413 INFO L158 Benchmark]: Toolchain (without parser) took 1423.94ms. Allocated memory is still 92.3MB. Free memory was 65.5MB in the beginning and 41.3MB in the end (delta: 24.1MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-11-21 18:48:52,414 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 37.7MB in the beginning and 37.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:48:52,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.13ms. Allocated memory is still 92.3MB. Free memory was 65.2MB in the beginning and 64.9MB in the end (delta: 382.5kB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-11-21 18:48:52,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.78ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 62.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:48:52,416 INFO L158 Benchmark]: Boogie Preprocessor took 72.03ms. Allocated memory is still 92.3MB. Free memory was 62.7MB in the beginning and 61.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:48:52,416 INFO L158 Benchmark]: RCFGBuilder took 630.40ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 42.6MB in the end (delta: 18.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:48:52,417 INFO L158 Benchmark]: CodeCheck took 14.45ms. Allocated memory is still 92.3MB. Free memory was 42.6MB in the beginning and 41.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:48:52,421 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 0.18ms. Allocated memory is still 60.8MB. Free memory was 37.7MB in the beginning and 37.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 619.13ms. Allocated memory is still 92.3MB. Free memory was 65.2MB in the beginning and 64.9MB in the end (delta: 382.5kB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.78ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 62.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.03ms. Allocated memory is still 92.3MB. Free memory was 62.7MB in the beginning and 61.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 630.40ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 42.6MB in the end (delta: 18.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 14.45ms. Allocated memory is still 92.3MB. Free memory was 42.6MB in the beginning and 41.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:48:52,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a4ce2c-c0ef-4e83-a3b2-ae4b6f4bb353/bin/ukojak-verify-i0I2FZA1j2/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