./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:58:41,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:58:41,188 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:58:41,196 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:58:41,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:58:41,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:58:41,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:58:41,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:58:41,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:58:41,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:58:41,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:58:41,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:58:41,248 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:58:41,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:58:41,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:58:41,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:58:41,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:58:41,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:58:41,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:58:41,253 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:58:41,253 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:58:41,254 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:58:41,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:58:41,255 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:58:41,255 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:58:41,256 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:58:41,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:58:41,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:41,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:58:41,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:58:41,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:58:41,258 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:58:41,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:58:41,259 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:58:41,259 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_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 [2023-11-11 23:58:41,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:58:41,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:58:41,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:58:41,595 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:58:41,596 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:58:41,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-atomic/szymanski.i [2023-11-11 23:58:44,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:58:45,014 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:58:45,015 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/sv-benchmarks/c/pthread-atomic/szymanski.i [2023-11-11 23:58:45,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/data/fca339b1f/950c1610e60e42f793ae60ae4bf8a581/FLAGf071a3bfe [2023-11-11 23:58:45,054 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/data/fca339b1f/950c1610e60e42f793ae60ae4bf8a581 [2023-11-11 23:58:45,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:58:45,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:58:45,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:45,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:58:45,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:58:45,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da60b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45, skipping insertion in model container [2023-11-11 23:58:45,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,129 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:58:45,297 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:58:45,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:45,484 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:58:45,499 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:58:45,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:45,563 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:45,563 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:45,564 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:45,572 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:58:45,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45 WrapperNode [2023-11-11 23:58:45,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:45,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:45,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:58:45,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:58:45,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,624 INFO L138 Inliner]: procedures = 171, calls = 77, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2023-11-11 23:58:45,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:45,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:58:45,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:58:45,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:58:45,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,649 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,658 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:58:45,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:58:45,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:58:45,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:58:45,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:45" (1/1) ... [2023-11-11 23:58:45,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:45,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:58:45,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:58:45,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:58:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:58:45,758 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:58:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:58:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-11 23:58:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-11 23:58:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-11 23:58:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-11 23:58:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:58:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:58:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:58:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:58:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:58:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:58:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:58:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:58:45,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:58:45,763 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:58:45,949 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:58:45,951 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:58:46,170 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:58:46,179 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:58:46,180 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-11 23:58:46,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:46 BoogieIcfgContainer [2023-11-11 23:58:46,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:58:46,184 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:58:46,184 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:58:46,195 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:58:46,195 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:46" (1/1) ... [2023-11-11 23:58:46,196 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:58:46,201 INFO L158 Benchmark]: Toolchain (without parser) took 1141.28ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 94.2MB in the beginning and 146.1MB in the end (delta: -51.9MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-11-11 23:58:46,201 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 132.1MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:46,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.69ms. Allocated memory is still 132.1MB. Free memory was 93.8MB in the beginning and 73.3MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:58:46,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.10ms. Allocated memory is still 132.1MB. Free memory was 73.3MB in the beginning and 71.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:46,203 INFO L158 Benchmark]: Boogie Preprocessor took 38.54ms. Allocated memory is still 132.1MB. Free memory was 71.7MB in the beginning and 69.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:46,204 INFO L158 Benchmark]: RCFGBuilder took 518.65ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 69.9MB in the beginning and 147.3MB in the end (delta: -77.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:46,205 INFO L158 Benchmark]: CodeCheck took 14.56ms. Allocated memory is still 184.5MB. Free memory was 147.3MB in the beginning and 146.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:46,208 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 0.70ms. Allocated memory is still 132.1MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.69ms. Allocated memory is still 132.1MB. Free memory was 93.8MB in the beginning and 73.3MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.10ms. Allocated memory is still 132.1MB. Free memory was 73.3MB in the beginning and 71.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.54ms. Allocated memory is still 132.1MB. Free memory was 71.7MB in the beginning and 69.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 518.65ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 69.9MB in the beginning and 147.3MB in the end (delta: -77.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * CodeCheck took 14.56ms. Allocated memory is still 184.5MB. Free memory was 147.3MB in the beginning and 146.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:58:46,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:58:49,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:58:49,327 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:58:49,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:58:49,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:58:49,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:58:49,374 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:58:49,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:58:49,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:58:49,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:58:49,377 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:58:49,377 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:58:49,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:58:49,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:58:49,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:58:49,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:58:49,381 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:58:49,381 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:58:49,382 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:58:49,383 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:58:49,383 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:58:49,384 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:58:49,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:58:49,385 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:58:49,386 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:58:49,386 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:58:49,387 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:58:49,387 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:49,388 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:58:49,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:58:49,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:49,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:58:49,389 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:58:49,390 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:58:49,390 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:58:49,390 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:49,391 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:58:49,391 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:58:49,391 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:58:49,391 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_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 [2023-11-11 23:58:49,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:58:49,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:58:49,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:58:49,856 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:58:49,857 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:58:49,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-atomic/szymanski.i [2023-11-11 23:58:53,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:58:53,466 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:58:53,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/sv-benchmarks/c/pthread-atomic/szymanski.i [2023-11-11 23:58:53,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/data/8537a6814/823502ccfe53476184d1d66f9c4663b3/FLAGa7d11eaa9 [2023-11-11 23:58:53,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/data/8537a6814/823502ccfe53476184d1d66f9c4663b3 [2023-11-11 23:58:53,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:58:53,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:58:53,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:53,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:58:53,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:58:53,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:53" (1/1) ... [2023-11-11 23:58:53,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@176c4b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:53, skipping insertion in model container [2023-11-11 23:58:53,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:53" (1/1) ... [2023-11-11 23:58:53,594 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:58:53,836 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:58:54,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:54,095 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:58:54,128 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:58:54,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:54,252 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:54,253 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:54,253 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:54,261 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:58:54,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:54 WrapperNode [2023-11-11 23:58:54,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:54,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:54,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:58:54,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:58:54,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:54" (1/1) ... [2023-11-11 23:58:54,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:54" (1/1) ... [2023-11-11 23:58:54,338 INFO L138 Inliner]: procedures = 174, calls = 77, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-11-11 23:58:54,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:54,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:58:54,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:58:54,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:58:54,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:54" (1/1) ... [2023-11-11 23:58:54,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:54" (1/1) ... [2023-11-11 23:58:54,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:54" (1/1) ... [2023-11-11 23:58:54,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:54" (1/1) ... [2023-11-11 23:58:54,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:54" (1/1) ... [2023-11-11 23:58:54,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:54" (1/1) ... [2023-11-11 23:58:54,405 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:54" (1/1) ... [2023-11-11 23:58:54,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:54" (1/1) ... [2023-11-11 23:58:54,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:58:54,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:58:54,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:58:54,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:58:54,424 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:54" (1/1) ... [2023-11-11 23:58:54,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:54,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:58:54,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:58:54,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:58:54,517 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:58:54,517 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:58:54,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:58:54,518 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-11 23:58:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-11 23:58:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-11 23:58:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-11 23:58:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:58:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:58:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:58:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:58:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:58:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:58:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:58:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:58:54,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:58:54,525 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:58:54,706 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:58:54,709 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:58:54,975 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:58:54,982 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:58:54,983 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-11 23:58:54,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:54 BoogieIcfgContainer [2023-11-11 23:58:54,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:58:54,987 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:58:54,987 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:58:54,998 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:58:54,998 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:54" (1/1) ... [2023-11-11 23:58:54,999 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:58:55,004 INFO L158 Benchmark]: Toolchain (without parser) took 1479.84ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 33.4MB in the beginning and 38.4MB in the end (delta: -5.0MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-11-11 23:58:55,005 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 48.2MB. Free memory is still 24.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:55,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 738.07ms. Allocated memory is still 58.7MB. Free memory was 33.1MB in the beginning and 35.4MB in the end (delta: -2.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-11 23:58:55,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.56ms. Allocated memory is still 58.7MB. Free memory was 35.4MB in the beginning and 33.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:55,007 INFO L158 Benchmark]: Boogie Preprocessor took 80.99ms. Allocated memory is still 58.7MB. Free memory was 33.5MB in the beginning and 31.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:55,008 INFO L158 Benchmark]: RCFGBuilder took 563.84ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 31.3MB in the beginning and 39.4MB in the end (delta: -8.1MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:55,009 INFO L158 Benchmark]: CodeCheck took 15.37ms. Allocated memory is still 71.3MB. Free memory was 39.4MB in the beginning and 38.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:55,013 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 0.31ms. Allocated memory is still 48.2MB. Free memory is still 24.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 738.07ms. Allocated memory is still 58.7MB. Free memory was 33.1MB in the beginning and 35.4MB in the end (delta: -2.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.56ms. Allocated memory is still 58.7MB. Free memory was 35.4MB in the beginning and 33.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.99ms. Allocated memory is still 58.7MB. Free memory was 33.5MB in the beginning and 31.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 563.84ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 31.3MB in the beginning and 39.4MB in the end (delta: -8.1MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * CodeCheck took 15.37ms. Allocated memory is still 71.3MB. Free memory was 39.4MB in the beginning and 38.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:58:55,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2853ef3d-a03d-492e-9c33-2d9fd31aefa5/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported