./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/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_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/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_7285b3a4-44bb-4a17-a769-ce94d86b49f8/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 e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:47:54,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:47:54,544 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:47:54,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:47:54,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:47:54,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:47:54,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:47:54,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:47:54,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:47:54,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:47:54,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:47:54,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:47:54,615 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:47:54,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:47:54,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:47:54,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:47:54,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:47:54,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:47:54,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:47:54,620 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:47:54,620 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:47:54,621 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:47:54,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:47:54,622 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:47:54,622 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:47:54,623 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:47:54,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:47:54,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:54,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:47:54,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:47:54,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:47:54,627 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:47:54,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:47:54,644 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:47:54,644 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_7285b3a4-44bb-4a17-a769-ce94d86b49f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe [2023-11-11 23:47:54,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:47:54,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:47:54,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:47:54,963 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:47:54,964 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:47:54,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-11 23:47:58,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:47:58,552 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:47:58,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-11 23:47:58,563 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/data/2e3d596fd/322552ee6cb9416f93a7b629e7e5bbdc/FLAG0b2be2c1f [2023-11-11 23:47:58,579 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/data/2e3d596fd/322552ee6cb9416f93a7b629e7e5bbdc [2023-11-11 23:47:58,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:47:58,584 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:47:58,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:58,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:47:58,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:47:58,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:58,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@740f4659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58, skipping insertion in model container [2023-11-11 23:47:58,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:58,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:47:58,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:58,865 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:47:58,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:58,919 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:58,919 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:58,932 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:47:58,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58 WrapperNode [2023-11-11 23:47:58,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:58,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:58,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:47:58,935 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:47:58,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:58,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:58,982 INFO L138 Inliner]: procedures = 27, calls = 81, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-11-11 23:47:58,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:58,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:47:58,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:47:58,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:47:58,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:58,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:58,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:59,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:59,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:59,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:59,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:59,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:59,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:47:59,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:47:59,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:47:59,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:47:59,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:59,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:59,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:47:59,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:47:59,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:47:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:47:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:47:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:47:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-11 23:47:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-11 23:47:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:47:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:47:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:47:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:47:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:47:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:47:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:47:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:47:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:47:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:47:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:47:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:47:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-11 23:47:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-11 23:47:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:47:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:47:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:47:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:47:59,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:47:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:47:59,115 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 23:47:59,245 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:47:59,252 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:47:59,759 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:47:59,985 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:47:59,985 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-11 23:47:59,986 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2023-11-11 23:47:59,987 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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 23:47:59,997 INFO L158 Benchmark]: Toolchain (without parser) took 1411.91ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 83.4MB in the beginning and 117.3MB in the end (delta: -33.9MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2023-11-11 23:47:59,998 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 127.9MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:00,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.89ms. Allocated memory is still 127.9MB. Free memory was 83.1MB in the beginning and 70.4MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:48:00,001 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.90ms. Allocated memory is still 127.9MB. Free memory was 70.2MB in the beginning and 68.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:00,002 INFO L158 Benchmark]: Boogie Preprocessor took 43.41ms. Allocated memory is still 127.9MB. Free memory was 68.4MB in the beginning and 66.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:00,005 INFO L158 Benchmark]: RCFGBuilder took 967.70ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 66.3MB in the beginning and 117.3MB in the end (delta: -51.0MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-11-11 23:48:00,010 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 127.9MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.89ms. Allocated memory is still 127.9MB. Free memory was 83.1MB in the beginning and 70.4MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.90ms. Allocated memory is still 127.9MB. Free memory was 70.2MB in the beginning and 68.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.41ms. Allocated memory is still 127.9MB. Free memory was 68.4MB in the beginning and 66.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 967.70ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 66.3MB in the beginning and 117.3MB in the end (delta: -51.0MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:48:00,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/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_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/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_7285b3a4-44bb-4a17-a769-ce94d86b49f8/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 e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:02,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:02,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:48:02,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:02,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:48:02,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:48:02,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:02,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:02,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:02,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:48:02,931 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:48:02,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:48:02,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:02,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:48:02,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:02,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:48:02,939 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:48:02,939 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:48:02,940 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:48:02,941 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:48:02,941 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:02,942 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:48:02,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:48:02,943 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:02,943 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:02,943 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:02,944 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:48:02,944 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:02,945 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:48:02,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:02,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:02,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:02,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:02,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:48:02,948 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:48:02,948 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:02,948 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:48:02,949 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:48:02,949 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:48:02,950 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_7285b3a4-44bb-4a17-a769-ce94d86b49f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe [2023-11-11 23:48:03,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:03,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:03,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:03,416 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:03,416 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:03,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-11 23:48:06,534 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:06,774 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:06,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-11 23:48:06,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/data/b5d216ef9/a196497b4d3245b698d4e96b0f19550b/FLAGa3b4a6e50 [2023-11-11 23:48:06,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/data/b5d216ef9/a196497b4d3245b698d4e96b0f19550b [2023-11-11 23:48:06,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:06,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:06,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:06,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:06,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:06,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:06" (1/1) ... [2023-11-11 23:48:06,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6339bc1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:06, skipping insertion in model container [2023-11-11 23:48:06,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:06" (1/1) ... [2023-11-11 23:48:06,841 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:07,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:07,062 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-11 23:48:07,069 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:07,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:07,102 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:07,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:07,148 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:07,148 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:07,155 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:07,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:07 WrapperNode [2023-11-11 23:48:07,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:07,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:07,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:07,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:07,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:07" (1/1) ... [2023-11-11 23:48:07,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:07" (1/1) ... [2023-11-11 23:48:07,201 INFO L138 Inliner]: procedures = 29, calls = 81, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-11 23:48:07,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:07,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:07,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:07,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:07,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:07" (1/1) ... [2023-11-11 23:48:07,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:07" (1/1) ... [2023-11-11 23:48:07,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:07" (1/1) ... [2023-11-11 23:48:07,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:07" (1/1) ... [2023-11-11 23:48:07,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:07" (1/1) ... [2023-11-11 23:48:07,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:07" (1/1) ... [2023-11-11 23:48:07,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:07" (1/1) ... [2023-11-11 23:48:07,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:07" (1/1) ... [2023-11-11 23:48:07,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:07,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:07,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:07,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:07,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:07" (1/1) ... [2023-11-11 23:48:07,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:07,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:07,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:07,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:48:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:48:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-11 23:48:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-11 23:48:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:48:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:48:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:48:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:48:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:48:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:48:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:48:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:48:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:48:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:48:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:48:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-11 23:48:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-11 23:48:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:48:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:48:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:48:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:48:07,384 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 23:48:07,652 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:07,654 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:08,217 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:08,523 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:08,523 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-11 23:48:08,524 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2023-11-11 23:48:08,525 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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 23:48:08,531 INFO L158 Benchmark]: Toolchain (without parser) took 1727.66ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 67.1MB in the beginning and 77.3MB in the end (delta: -10.3MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2023-11-11 23:48:08,532 INFO L158 Benchmark]: CDTParser took 1.16ms. Allocated memory is still 90.2MB. Free memory was 66.3MB in the beginning and 66.2MB in the end (delta: 92.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:08,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.90ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 50.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:48:08,533 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.37ms. Allocated memory is still 90.2MB. Free memory was 50.3MB in the beginning and 48.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:08,534 INFO L158 Benchmark]: Boogie Preprocessor took 86.33ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 46.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:08,536 INFO L158 Benchmark]: RCFGBuilder took 1239.75ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 46.2MB in the beginning and 77.3MB in the end (delta: -31.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-11-11 23:48:08,543 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16ms. Allocated memory is still 90.2MB. Free memory was 66.3MB in the beginning and 66.2MB in the end (delta: 92.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.90ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 50.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.37ms. Allocated memory is still 90.2MB. Free memory was 50.3MB in the beginning and 48.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.33ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 46.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1239.75ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 46.2MB in the beginning and 77.3MB in the end (delta: -31.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:48:08,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7285b3a4-44bb-4a17-a769-ce94d86b49f8/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?