./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/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_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/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_4fd6759f-a273-4ee2-b810-bdc677e39046/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 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:17,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:17,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:31:17,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:31:17,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:31:17,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:17,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:17,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:17,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:17,474 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:17,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:17,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:17,477 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:31:17,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:31:17,479 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:31:17,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:17,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:17,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:17,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:17,481 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:31:17,482 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:31:17,482 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:31:17,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:17,483 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:17,484 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:17,485 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:17,485 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:17,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:17,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:17,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:17,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:17,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:17,488 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:31:17,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:31:17,489 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:17,489 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_4fd6759f-a273-4ee2-b810-bdc677e39046/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-11-21 18:31:17,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:17,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:17,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:17,809 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:17,810 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:17,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-21 18:31:21,000 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:21,372 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:21,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-21 18:31:21,404 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/data/869405f02/e591402f5c3e43e6b0db378e9dfb6d2c/FLAG0ed51f355 [2023-11-21 18:31:21,426 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/data/869405f02/e591402f5c3e43e6b0db378e9dfb6d2c [2023-11-21 18:31:21,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:21,434 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:21,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:21,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:21,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:21,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:21" (1/1) ... [2023-11-21 18:31:21,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c6336d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:21, skipping insertion in model container [2023-11-21 18:31:21,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:21" (1/1) ... [2023-11-21 18:31:21,524 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:22,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:22,171 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:22,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:22,332 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:22,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:22 WrapperNode [2023-11-21 18:31:22,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:22,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:22,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:22,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:22,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:22" (1/1) ... [2023-11-21 18:31:22,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:22" (1/1) ... [2023-11-21 18:31:22,394 INFO L138 Inliner]: procedures = 278, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2023-11-21 18:31:22,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:22,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:22,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:22,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:22,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:22" (1/1) ... [2023-11-21 18:31:22,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:22" (1/1) ... [2023-11-21 18:31:22,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:22" (1/1) ... [2023-11-21 18:31:22,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:22" (1/1) ... [2023-11-21 18:31:22,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:22" (1/1) ... [2023-11-21 18:31:22,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:22" (1/1) ... [2023-11-21 18:31:22,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:22" (1/1) ... [2023-11-21 18:31:22,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:22" (1/1) ... [2023-11-21 18:31:22,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:22,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:22,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:22,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:22,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:22" (1/1) ... [2023-11-21 18:31:22,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:22,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:22,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:22,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:31:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:31:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:31:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:31:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:31:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:31:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:31:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:31:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:31:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-21 18:31:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-21 18:31:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:31:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:31:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-21 18:31:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-21 18:31:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:31:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:22,542 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 18:31:22,755 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:22,760 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:23,145 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:23,190 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:31:23,191 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:31:23,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:23 BoogieIcfgContainer [2023-11-21 18:31:23,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:31:23,195 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:31:23,195 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:31:23,207 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:31:23,208 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:23" (1/1) ... [2023-11-21 18:31:23,210 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 18:31:23,215 INFO L158 Benchmark]: Toolchain (without parser) took 1779.48ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 69.8MB in the beginning and 87.5MB in the end (delta: -17.7MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2023-11-21 18:31:23,216 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:23,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 895.30ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 69.8MB in the beginning and 113.7MB in the end (delta: -43.9MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-11-21 18:31:23,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.22ms. Allocated memory is still 157.3MB. Free memory was 113.7MB in the beginning and 110.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:31:23,219 INFO L158 Benchmark]: Boogie Preprocessor took 41.50ms. Allocated memory is still 157.3MB. Free memory was 110.5MB in the beginning and 108.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:23,221 INFO L158 Benchmark]: RCFGBuilder took 755.61ms. Allocated memory is still 157.3MB. Free memory was 108.4MB in the beginning and 88.5MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:31:23,222 INFO L158 Benchmark]: CodeCheck took 18.08ms. Allocated memory is still 157.3MB. Free memory was 88.5MB in the beginning and 87.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:23,226 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 0.35ms. Allocated memory is still 117.4MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 895.30ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 69.8MB in the beginning and 113.7MB in the end (delta: -43.9MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.22ms. Allocated memory is still 157.3MB. Free memory was 113.7MB in the beginning and 110.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.50ms. Allocated memory is still 157.3MB. Free memory was 110.5MB in the beginning and 108.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 755.61ms. Allocated memory is still 157.3MB. Free memory was 108.4MB in the beginning and 88.5MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 18.08ms. Allocated memory is still 157.3MB. Free memory was 88.5MB in the beginning and 87.5MB 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 18:31:23,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/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_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/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_4fd6759f-a273-4ee2-b810-bdc677e39046/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 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:26,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:26,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:31:26,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:26,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:26,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:26,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:26,257 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:26,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:26,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:26,259 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:31:26,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:31:26,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:26,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:26,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:26,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:26,263 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:31:26,263 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:31:26,264 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:31:26,264 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:31:26,265 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:31:26,268 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:31:26,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:26,269 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:26,270 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:26,270 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:26,271 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:26,271 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:31:26,271 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:31:26,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:26,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:26,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:26,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:26,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:26,275 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:31:26,276 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:31:26,276 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:26,276 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:31:26,277 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:31:26,278 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_4fd6759f-a273-4ee2-b810-bdc677e39046/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-11-21 18:31:26,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:26,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:26,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:26,704 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:26,704 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:26,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-21 18:31:29,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:30,422 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:30,424 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-21 18:31:30,459 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/data/2aebaaf46/39943e5b4b174ffab7d8d4316dc78afe/FLAGd4747c0b7 [2023-11-21 18:31:30,478 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/data/2aebaaf46/39943e5b4b174ffab7d8d4316dc78afe [2023-11-21 18:31:30,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:30,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:30,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:30,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:30,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:30,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:30" (1/1) ... [2023-11-21 18:31:30,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d0e386f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:30, skipping insertion in model container [2023-11-21 18:31:30,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:30" (1/1) ... [2023-11-21 18:31:30,591 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:31,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:31,429 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:31,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:31,638 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:31,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:31 WrapperNode [2023-11-21 18:31:31,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:31,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:31,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:31,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:31,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:31" (1/1) ... [2023-11-21 18:31:31,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:31" (1/1) ... [2023-11-21 18:31:31,746 INFO L138 Inliner]: procedures = 282, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2023-11-21 18:31:31,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:31,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:31,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:31,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:31,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:31" (1/1) ... [2023-11-21 18:31:31,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:31" (1/1) ... [2023-11-21 18:31:31,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:31" (1/1) ... [2023-11-21 18:31:31,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:31" (1/1) ... [2023-11-21 18:31:31,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:31" (1/1) ... [2023-11-21 18:31:31,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:31" (1/1) ... [2023-11-21 18:31:31,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:31" (1/1) ... [2023-11-21 18:31:31,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:31" (1/1) ... [2023-11-21 18:31:31,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:31,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:31,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:31,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:31,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:31" (1/1) ... [2023-11-21 18:31:31,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:31,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:31,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:31,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:31:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:31:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:31:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:31:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:31:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:31:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:31:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:31:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:31:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:31:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:31:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-21 18:31:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-21 18:31:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:31:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:31:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-21 18:31:31,903 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-21 18:31:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:31,906 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 18:31:32,181 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:32,185 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:32,570 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:32,602 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:31:32,602 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:31:32,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:32 BoogieIcfgContainer [2023-11-21 18:31:32,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:31:32,605 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:31:32,606 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:31:32,616 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:31:32,617 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:32" (1/1) ... [2023-11-21 18:31:32,618 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 18:31:32,622 INFO L158 Benchmark]: Toolchain (without parser) took 2137.87ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 41.8MB in the end (delta: 14.7MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-21 18:31:32,623 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:32,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1153.89ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 43.2MB in the end (delta: 13.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-11-21 18:31:32,624 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.22ms. Allocated memory is still 81.8MB. Free memory was 43.2MB in the beginning and 40.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:32,625 INFO L158 Benchmark]: Boogie Preprocessor took 53.22ms. Allocated memory is still 81.8MB. Free memory was 40.3MB in the beginning and 38.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:32,626 INFO L158 Benchmark]: RCFGBuilder took 802.63ms. Allocated memory is still 81.8MB. Free memory was 38.0MB in the beginning and 43.2MB in the end (delta: -5.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-11-21 18:31:32,626 INFO L158 Benchmark]: CodeCheck took 14.92ms. Allocated memory is still 81.8MB. Free memory was 42.8MB in the beginning and 41.8MB in the end (delta: 957.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:32,630 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 0.33ms. Allocated memory is still 62.9MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1153.89ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 43.2MB in the end (delta: 13.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.22ms. Allocated memory is still 81.8MB. Free memory was 43.2MB in the beginning and 40.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.22ms. Allocated memory is still 81.8MB. Free memory was 40.3MB in the beginning and 38.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 802.63ms. Allocated memory is still 81.8MB. Free memory was 38.0MB in the beginning and 43.2MB in the end (delta: -5.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * CodeCheck took 14.92ms. Allocated memory is still 81.8MB. Free memory was 42.8MB in the beginning and 41.8MB in the end (delta: 957.0kB). 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 18:31:32,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd6759f-a273-4ee2-b810-bdc677e39046/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