./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c --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_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/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_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/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_65910046-65fe-48fb-adbf-24fd8721d4c0/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 a063462cb7b21c5f8dae2503e70fbd4d55b33be159df87fb06824a6d79ada34a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:42:50,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:42:50,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:42:50,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:42:50,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:42:50,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:42:50,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:42:50,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:42:50,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:42:50,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:42:50,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:42:50,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:42:50,421 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:42:50,422 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:42:50,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:42:50,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:42:50,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:42:50,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:42:50,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:42:50,426 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:42:50,426 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:42:50,427 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:42:50,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:42:50,428 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:42:50,429 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:42:50,429 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:42:50,430 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:42:50,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:42:50,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:50,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:42:50,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:42:50,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:42:50,432 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:42:50,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:42:50,433 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:42:50,433 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_65910046-65fe-48fb-adbf-24fd8721d4c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a063462cb7b21c5f8dae2503e70fbd4d55b33be159df87fb06824a6d79ada34a [2023-11-21 18:42:50,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:42:50,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:42:50,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:42:50,749 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:42:50,749 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:42:50,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c [2023-11-21 18:42:54,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:42:54,339 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:42:54,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/sv-benchmarks/c/weaver/chl-sre-symm.wvr.c [2023-11-21 18:42:54,349 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/data/2c665d97e/492bb0f9a7944b4faf54f3932f3d9bf0/FLAG70338e645 [2023-11-21 18:42:54,363 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/data/2c665d97e/492bb0f9a7944b4faf54f3932f3d9bf0 [2023-11-21 18:42:54,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:42:54,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:42:54,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:54,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:42:54,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:42:54,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:54" (1/1) ... [2023-11-21 18:42:54,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16612951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:54, skipping insertion in model container [2023-11-21 18:42:54,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:54" (1/1) ... [2023-11-21 18:42:54,401 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:42:54,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:54,629 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:42:54,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:54,664 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:42:54,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:54 WrapperNode [2023-11-21 18:42:54,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:54,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:54,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:42:54,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:42:54,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:54" (1/1) ... [2023-11-21 18:42:54,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:54" (1/1) ... [2023-11-21 18:42:54,703 INFO L138 Inliner]: procedures = 21, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2023-11-21 18:42:54,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:54,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:42:54,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:42:54,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:42:54,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:54" (1/1) ... [2023-11-21 18:42:54,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:54" (1/1) ... [2023-11-21 18:42:54,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:54" (1/1) ... [2023-11-21 18:42:54,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:54" (1/1) ... [2023-11-21 18:42:54,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:54" (1/1) ... [2023-11-21 18:42:54,725 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:54" (1/1) ... [2023-11-21 18:42:54,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:54" (1/1) ... [2023-11-21 18:42:54,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:54" (1/1) ... [2023-11-21 18:42:54,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:42:54,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:42:54,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:42:54,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:42:54,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:54" (1/1) ... [2023-11-21 18:42:54,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:54,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:42:54,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:42:54,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:42:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:42:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:42:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:42:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:42:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:42:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:42:54,833 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:42:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:42:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:42:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:42:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:42:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:42:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:42:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:42:54,838 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 18:42:54,979 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:42:54,981 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:42:55,178 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:42:55,189 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:42:55,189 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:42:55,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:55 BoogieIcfgContainer [2023-11-21 18:42:55,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:42:55,193 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:42:55,193 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:42:55,201 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:42:55,201 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:55" (1/1) ... [2023-11-21 18:42:55,202 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 18:42:55,206 INFO L158 Benchmark]: Toolchain (without parser) took 837.43ms. Allocated memory is still 138.4MB. Free memory was 107.2MB in the beginning and 80.5MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-21 18:42:55,207 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:42:55,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.32ms. Allocated memory is still 138.4MB. Free memory was 106.8MB in the beginning and 96.0MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:42:55,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.02ms. Allocated memory is still 138.4MB. Free memory was 96.0MB in the beginning and 94.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:42:55,210 INFO L158 Benchmark]: Boogie Preprocessor took 27.29ms. Allocated memory is still 138.4MB. Free memory was 94.8MB in the beginning and 93.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:42:55,210 INFO L158 Benchmark]: RCFGBuilder took 459.86ms. Allocated memory is still 138.4MB. Free memory was 93.5MB in the beginning and 81.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:42:55,211 INFO L158 Benchmark]: CodeCheck took 11.58ms. Allocated memory is still 138.4MB. Free memory was 81.3MB in the beginning and 80.5MB in the end (delta: 857.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:42:55,214 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 0.29ms. Allocated memory is still 107.0MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.32ms. Allocated memory is still 138.4MB. Free memory was 106.8MB in the beginning and 96.0MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.02ms. Allocated memory is still 138.4MB. Free memory was 96.0MB in the beginning and 94.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.29ms. Allocated memory is still 138.4MB. Free memory was 94.8MB in the beginning and 93.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 459.86ms. Allocated memory is still 138.4MB. Free memory was 93.5MB in the beginning and 81.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 11.58ms. Allocated memory is still 138.4MB. Free memory was 81.3MB in the beginning and 80.5MB in the end (delta: 857.1kB). 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 18:42:55,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/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_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/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_65910046-65fe-48fb-adbf-24fd8721d4c0/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 a063462cb7b21c5f8dae2503e70fbd4d55b33be159df87fb06824a6d79ada34a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:42:57,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:42:58,035 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:42:58,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:42:58,088 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:42:58,089 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:42:58,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:42:58,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:42:58,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:42:58,097 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:42:58,098 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:42:58,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:42:58,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:42:58,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:42:58,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:42:58,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:42:58,102 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:42:58,103 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:42:58,103 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:42:58,104 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:42:58,105 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:42:58,105 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:42:58,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:42:58,106 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:42:58,107 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:42:58,107 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:42:58,108 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:42:58,108 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:42:58,109 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:42:58,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:42:58,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:58,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:42:58,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:42:58,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:42:58,113 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:42:58,113 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:42:58,113 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:42:58,113 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:42:58,114 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:42:58,115 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_65910046-65fe-48fb-adbf-24fd8721d4c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a063462cb7b21c5f8dae2503e70fbd4d55b33be159df87fb06824a6d79ada34a [2023-11-21 18:42:58,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:42:58,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:42:58,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:42:58,594 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:42:58,595 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:42:58,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c [2023-11-21 18:43:01,867 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:02,166 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:02,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/sv-benchmarks/c/weaver/chl-sre-symm.wvr.c [2023-11-21 18:43:02,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/data/e16b119db/85a426496ff9465ebb5f3684b8f53438/FLAGa9efd51d2 [2023-11-21 18:43:02,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/data/e16b119db/85a426496ff9465ebb5f3684b8f53438 [2023-11-21 18:43:02,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:02,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:02,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:02,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:02,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:02,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e20f12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02, skipping insertion in model container [2023-11-21 18:43:02,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,225 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:02,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:02,468 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:02,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:02,528 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:02,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02 WrapperNode [2023-11-21 18:43:02,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:02,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:02,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:02,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:02,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,591 INFO L138 Inliner]: procedures = 23, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2023-11-21 18:43:02,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:02,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:02,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:02,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:02,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,612 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:02,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:02,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:02,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:02,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:02,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:02,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:02,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:43:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:43:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:43:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:43:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:43:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:43:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:43:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:43:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:43:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:43:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:43:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:43:02,819 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 18:43:02,942 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:02,946 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:03,193 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:43:03,208 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:43:03,209 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:43:03,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:03 BoogieIcfgContainer [2023-11-21 18:43:03,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:43:03,211 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:43:03,212 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:43:03,224 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:43:03,224 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:03" (1/1) ... [2023-11-21 18:43:03,225 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 18:43:03,232 INFO L158 Benchmark]: Toolchain (without parser) took 1038.05ms. Allocated memory is still 79.7MB. Free memory was 55.7MB in the beginning and 47.5MB in the end (delta: 8.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-21 18:43:03,233 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:43:03,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.74ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 44.2MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:43:03,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.89ms. Allocated memory is still 79.7MB. Free memory was 44.2MB in the beginning and 42.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:43:03,236 INFO L158 Benchmark]: Boogie Preprocessor took 45.11ms. Allocated memory is still 79.7MB. 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 18:43:03,238 INFO L158 Benchmark]: RCFGBuilder took 559.63ms. Allocated memory is still 79.7MB. Free memory was 41.3MB in the beginning and 48.4MB in the end (delta: -7.0MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2023-11-21 18:43:03,238 INFO L158 Benchmark]: CodeCheck took 18.61ms. Allocated memory is still 79.7MB. Free memory was 48.4MB in the beginning and 47.5MB in the end (delta: 891.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:43:03,247 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 0.32ms. Allocated memory is still 65.0MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.74ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 44.2MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.89ms. Allocated memory is still 79.7MB. Free memory was 44.2MB in the beginning and 42.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.11ms. Allocated memory is still 79.7MB. 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. * RCFGBuilder took 559.63ms. Allocated memory is still 79.7MB. Free memory was 41.3MB in the beginning and 48.4MB in the end (delta: -7.0MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * CodeCheck took 18.61ms. Allocated memory is still 79.7MB. Free memory was 48.4MB in the beginning and 47.5MB in the end (delta: 891.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:43:03,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65910046-65fe-48fb-adbf-24fd8721d4c0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported