./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/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_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 670814d0a16da58b0f26835e20c05a244e2f373856f13b9d4ff2a931783edf81 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:03:59,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:03:59,440 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-12 00:03:59,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:03:59,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:03:59,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:03:59,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:03:59,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:03:59,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:03:59,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:03:59,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:03:59,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:03:59,498 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:03:59,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:03:59,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:03:59,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:03:59,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:03:59,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:03:59,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:03:59,502 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:03:59,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:03:59,503 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:03:59,505 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:03:59,506 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:03:59,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:03:59,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:59,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:03:59,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:03:59,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:03:59,509 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:03:59,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:03:59,511 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:03:59,511 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_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 670814d0a16da58b0f26835e20c05a244e2f373856f13b9d4ff2a931783edf81 [2023-11-12 00:03:59,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:03:59,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:03:59,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:03:59,847 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:03:59,847 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:03:59,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2023-11-12 00:04:03,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:04:03,251 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:04:03,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2023-11-12 00:04:03,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/data/eece6e91c/f70e44885389443abedda33207e85d93/FLAG5c97d6c80 [2023-11-12 00:04:03,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/data/eece6e91c/f70e44885389443abedda33207e85d93 [2023-11-12 00:04:03,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:04:03,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:04:03,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:03,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:04:03,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:04:03,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:03" (1/1) ... [2023-11-12 00:04:03,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22773772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:03, skipping insertion in model container [2023-11-12 00:04:03,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:03" (1/1) ... [2023-11-12 00:04:03,352 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:04:03,545 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2862,2875] [2023-11-12 00:04:03,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:03,568 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:04:03,604 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2862,2875] [2023-11-12 00:04:03,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:03,629 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:04:03,634 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:04:03,642 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:04:03,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:03 WrapperNode [2023-11-12 00:04:03,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:03,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:03,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:04:03,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:04:03,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:03" (1/1) ... [2023-11-12 00:04:03,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:03" (1/1) ... [2023-11-12 00:04:03,692 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 94 [2023-11-12 00:04:03,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:03,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:04:03,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:04:03,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:04:03,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:03" (1/1) ... [2023-11-12 00:04:03,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:03" (1/1) ... [2023-11-12 00:04:03,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:03" (1/1) ... [2023-11-12 00:04:03,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:03" (1/1) ... [2023-11-12 00:04:03,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:03" (1/1) ... [2023-11-12 00:04:03,725 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:03" (1/1) ... [2023-11-12 00:04:03,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:03" (1/1) ... [2023-11-12 00:04:03,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:03" (1/1) ... [2023-11-12 00:04:03,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:04:03,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:04:03,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:04:03,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:04:03,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:03" (1/1) ... [2023-11-12 00:04:03,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:03,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:04:03,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:04:03,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:04:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:04:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:04:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:04:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-12 00:04:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-12 00:04:03,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:04:03,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:04:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:04:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:04:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:04:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:04:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:04:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:04:03,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:04:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:04:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-12 00:04:03,829 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-12 00:04:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:04:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:04:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:04:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:04:03,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:04:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:04:03,834 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:04:04,014 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:04:04,016 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:04:04,413 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:04:04,536 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:04:04,536 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:04:04,537 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L63-1 is neither atomic block end nor a sink node. [2023-11-12 00:04:04,538 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) [2023-11-12 00:04:04,548 INFO L158 Benchmark]: Toolchain (without parser) took 1264.12ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 68.0MB in the beginning and 89.0MB in the end (delta: -21.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-12 00:04:04,549 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:04:04,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.16ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 67.7MB in the beginning and 120.4MB in the end (delta: -52.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-12 00:04:04,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.67ms. Allocated memory is still 159.4MB. Free memory was 120.4MB in the beginning and 119.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:04,553 INFO L158 Benchmark]: Boogie Preprocessor took 41.30ms. Allocated memory is still 159.4MB. Free memory was 119.1MB in the beginning and 117.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:04,554 INFO L158 Benchmark]: RCFGBuilder took 809.88ms. Allocated memory is still 159.4MB. Free memory was 117.0MB in the beginning and 89.0MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-12 00:04:04,558 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.16ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 67.7MB in the beginning and 120.4MB in the end (delta: -52.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.67ms. Allocated memory is still 159.4MB. Free memory was 120.4MB in the beginning and 119.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.30ms. Allocated memory is still 159.4MB. Free memory was 119.1MB in the beginning and 117.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 809.88ms. Allocated memory is still 159.4MB. Free memory was 117.0MB in the beginning and 89.0MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. 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. [2023-11-12 00:04:04,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/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_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/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_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 670814d0a16da58b0f26835e20c05a244e2f373856f13b9d4ff2a931783edf81 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:04:07,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:04:07,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-12 00:04:07,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:04:07,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:04:07,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:04:07,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:04:07,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:04:07,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:04:07,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:04:07,581 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:04:07,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:04:07,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:04:07,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:04:07,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:04:07,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:04:07,585 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:04:07,586 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:04:07,587 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:04:07,587 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:04:07,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:04:07,589 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:04:07,589 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:04:07,590 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:04:07,590 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:04:07,591 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:04:07,591 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:04:07,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:04:07,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:07,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:04:07,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:04:07,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:04:07,594 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:04:07,594 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:04:07,595 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:04:07,595 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:04:07,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:04:07,596 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_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 670814d0a16da58b0f26835e20c05a244e2f373856f13b9d4ff2a931783edf81 [2023-11-12 00:04:08,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:04:08,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:04:08,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:04:08,063 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:04:08,063 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:04:08,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2023-11-12 00:04:11,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:04:11,739 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:04:11,739 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2023-11-12 00:04:11,749 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/data/aef1dbb0e/4ddb7ba2fcd5478ca4d7435972c1751e/FLAG700fe2870 [2023-11-12 00:04:11,769 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/data/aef1dbb0e/4ddb7ba2fcd5478ca4d7435972c1751e [2023-11-12 00:04:11,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:04:11,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:04:11,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:11,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:04:11,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:04:11,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:11" (1/1) ... [2023-11-12 00:04:11,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39884a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:11, skipping insertion in model container [2023-11-12 00:04:11,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:11" (1/1) ... [2023-11-12 00:04:11,827 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:04:12,110 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2862,2875] [2023-11-12 00:04:12,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:12,162 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 00:04:12,177 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:04:12,209 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2862,2875] [2023-11-12 00:04:12,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:12,235 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:04:12,280 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2862,2875] [2023-11-12 00:04:12,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:12,299 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:04:12,299 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:04:12,307 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:04:12,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:12 WrapperNode [2023-11-12 00:04:12,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:12,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:12,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:04:12,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:04:12,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:12" (1/1) ... [2023-11-12 00:04:12,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:12" (1/1) ... [2023-11-12 00:04:12,379 INFO L138 Inliner]: procedures = 28, calls = 57, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 91 [2023-11-12 00:04:12,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:12,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:04:12,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:04:12,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:04:12,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:12" (1/1) ... [2023-11-12 00:04:12,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:12" (1/1) ... [2023-11-12 00:04:12,416 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:12" (1/1) ... [2023-11-12 00:04:12,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:12" (1/1) ... [2023-11-12 00:04:12,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:12" (1/1) ... [2023-11-12 00:04:12,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:12" (1/1) ... [2023-11-12 00:04:12,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:12" (1/1) ... [2023-11-12 00:04:12,453 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:12" (1/1) ... [2023-11-12 00:04:12,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:04:12,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:04:12,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:04:12,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:04:12,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:12" (1/1) ... [2023-11-12 00:04:12,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:12,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:04:12,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:04:12,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:04:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:04:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:04:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:04:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-12 00:04:12,546 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-12 00:04:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:04:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:04:12,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:04:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:04:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:04:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:04:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:04:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:04:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:04:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-12 00:04:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-12 00:04:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:04:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:04:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:04:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:04:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:04:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:04:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:04:12,555 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:04:12,732 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:04:12,733 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:04:13,215 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:04:13,370 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:04:13,370 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:04:13,371 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L63-1 is neither atomic block end nor a sink node. [2023-11-12 00:04:13,373 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) [2023-11-12 00:04:13,380 INFO L158 Benchmark]: Toolchain (without parser) took 1604.80ms. Allocated memory is still 107.0MB. Free memory was 82.8MB in the beginning and 60.2MB in the end (delta: 22.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-12 00:04:13,380 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:04:13,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.14ms. Allocated memory is still 107.0MB. Free memory was 82.5MB in the beginning and 67.9MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:04:13,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.87ms. Allocated memory is still 107.0MB. Free memory was 67.9MB in the beginning and 66.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:13,383 INFO L158 Benchmark]: Boogie Preprocessor took 76.22ms. Allocated memory is still 107.0MB. Free memory was 66.1MB in the beginning and 64.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:13,384 INFO L158 Benchmark]: RCFGBuilder took 919.52ms. Allocated memory is still 107.0MB. Free memory was 64.1MB in the beginning and 60.2MB in the end (delta: 3.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:04:13,390 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 533.14ms. Allocated memory is still 107.0MB. Free memory was 82.5MB in the beginning and 67.9MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.87ms. Allocated memory is still 107.0MB. Free memory was 67.9MB in the beginning and 66.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.22ms. Allocated memory is still 107.0MB. Free memory was 66.1MB in the beginning and 64.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 919.52ms. Allocated memory is still 107.0MB. Free memory was 64.1MB in the beginning and 60.2MB in the end (delta: 3.9MB). Peak memory consumption was 18.9MB. 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. [2023-11-12 00:04:13,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6cd6fa-9967-4cf1-9f04-0131678c0e76/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?