./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL --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 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:05:07,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:05:08,125 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:05:08,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:05:08,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:05:08,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:05:08,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:05:08,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:05:08,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:05:08,190 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:05:08,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:05:08,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:05:08,192 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:05:08,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:05:08,193 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:05:08,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:05:08,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:05:08,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:05:08,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:05:08,196 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:05:08,197 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:05:08,199 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:05:08,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:05:08,200 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:05:08,201 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:05:08,201 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:05:08,202 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:05:08,203 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:05:08,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:08,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:05:08,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:05:08,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:05:08,206 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:05:08,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:05:08,207 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:05:08,207 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_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f [2023-11-19 03:05:08,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:05:08,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:05:08,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:05:08,657 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:05:08,657 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:05:08,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-19 03:05:11,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:11,987 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:11,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-19 03:05:12,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/data/a55586522/1cccd778a2c8414796c935d8651a4ee1/FLAG5b3c5ef2b [2023-11-19 03:05:12,023 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/data/a55586522/1cccd778a2c8414796c935d8651a4ee1 [2023-11-19 03:05:12,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:12,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:12,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:12,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:12,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:12,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59f6a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12, skipping insertion in model container [2023-11-19 03:05:12,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,096 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:12,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:12,351 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:12,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:12,401 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:05:12,401 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:05:12,409 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:12,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12 WrapperNode [2023-11-19 03:05:12,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:12,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:12,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:12,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:12,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,457 INFO L138 Inliner]: procedures = 26, calls = 80, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 128 [2023-11-19 03:05:12,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:12,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:12,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:12,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:12,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,491 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,513 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:12,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:12,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:12,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:12,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:12,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:12,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:12,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:05:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:05:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 03:05:12,599 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 03:05:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:05:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:05:12,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:05:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:05:12,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:05:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:05:12,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:05:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:05:12,601 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:05:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:05:12,601 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:05:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:05:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 03:05:12,602 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 03:05:12,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:05:12,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:05:12,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:05:12,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:12,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:05:12,605 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:05:12,804 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:12,806 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:13,390 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:13,631 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:13,632 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:05:13,634 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: #t~short2 := ~q1_back~0 >= 0 && ~q1_back~0 < ~n1~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_back~0, 4);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 03:05:13,639 INFO L158 Benchmark]: Toolchain (without parser) took 1602.20ms. Allocated memory is still 132.1MB. Free memory was 93.2MB in the beginning and 63.8MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:05:13,640 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:05:13,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.53ms. Allocated memory is still 132.1MB. Free memory was 93.2MB in the beginning and 80.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:05:13,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.08ms. Allocated memory is still 132.1MB. Free memory was 80.0MB in the beginning and 78.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:05:13,642 INFO L158 Benchmark]: Boogie Preprocessor took 67.50ms. Allocated memory is still 132.1MB. Free memory was 78.0MB in the beginning and 76.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:05:13,643 INFO L158 Benchmark]: RCFGBuilder took 1111.01ms. Allocated memory is still 132.1MB. Free memory was 75.9MB in the beginning and 63.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:05:13,647 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 98.6MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.53ms. Allocated memory is still 132.1MB. Free memory was 93.2MB in the beginning and 80.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.08ms. Allocated memory is still 132.1MB. Free memory was 80.0MB in the beginning and 78.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.50ms. Allocated memory is still 132.1MB. Free memory was 78.0MB in the beginning and 76.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1111.01ms. Allocated memory is still 132.1MB. Free memory was 75.9MB in the beginning and 63.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: #t~short2 := ~q1_back~0 >= 0 && ~q1_back~0 < ~n1~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_back~0, 4);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: #t~short2 := ~q1_back~0 >= 0 && ~q1_back~0 < ~n1~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_back~0, 4);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:05:13,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL --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 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:05:16,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:05:16,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:05:16,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:05:16,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:05:16,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:05:16,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:05:16,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:05:16,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:05:16,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:05:16,817 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:05:16,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:05:16,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:05:16,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:05:16,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:05:16,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:05:16,821 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:05:16,821 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:05:16,822 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:05:16,823 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:05:16,823 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:05:16,824 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:05:16,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:05:16,825 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:05:16,825 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:05:16,826 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:05:16,826 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:05:16,827 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:05:16,827 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:05:16,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:05:16,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:16,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:05:16,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:05:16,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:05:16,830 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:05:16,831 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:05:16,831 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:05:16,831 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:05:16,831 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:05:16,832 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_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f [2023-11-19 03:05:17,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:05:17,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:05:17,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:05:17,334 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:05:17,335 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:05:17,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-19 03:05:20,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:20,802 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:20,803 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-19 03:05:20,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/data/77e724f9b/427214893c5848978305f88f9730069b/FLAG52dbc3af7 [2023-11-19 03:05:20,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/data/77e724f9b/427214893c5848978305f88f9730069b [2023-11-19 03:05:20,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:20,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:20,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:20,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:20,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:20,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:20" (1/1) ... [2023-11-19 03:05:20,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b98476b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:20, skipping insertion in model container [2023-11-19 03:05:20,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:20" (1/1) ... [2023-11-19 03:05:20,907 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:21,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:21,168 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:05:21,173 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:21,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:21,219 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:21,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:21,295 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:05:21,299 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:05:21,312 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:21,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:21 WrapperNode [2023-11-19 03:05:21,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:21,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:21,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:21,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:21,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:21" (1/1) ... [2023-11-19 03:05:21,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:21" (1/1) ... [2023-11-19 03:05:21,389 INFO L138 Inliner]: procedures = 28, calls = 80, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2023-11-19 03:05:21,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:21,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:21,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:21,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:21,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:21" (1/1) ... [2023-11-19 03:05:21,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:21" (1/1) ... [2023-11-19 03:05:21,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:21" (1/1) ... [2023-11-19 03:05:21,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:21" (1/1) ... [2023-11-19 03:05:21,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:21" (1/1) ... [2023-11-19 03:05:21,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:21" (1/1) ... [2023-11-19 03:05:21,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:21" (1/1) ... [2023-11-19 03:05:21,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:21" (1/1) ... [2023-11-19 03:05:21,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:21,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:21,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:21,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:21,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:21" (1/1) ... [2023-11-19 03:05:21,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:21,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:21,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:21,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:05:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:05:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 03:05:21,540 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 03:05:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:05:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:05:21,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:05:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:05:21,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:05:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:05:21,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:05:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:05:21,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:05:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:05:21,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:05:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 03:05:21,545 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 03:05:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:05:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:05:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:05:21,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:21,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:21,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:05:21,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:05:21,549 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:05:21,713 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:21,716 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:22,358 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:22,643 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:22,643 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:05:22,646 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 03:05:22,652 INFO L158 Benchmark]: Toolchain (without parser) took 1805.42ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 53.4MB in the beginning and 59.8MB in the end (delta: -6.5MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-11-19 03:05:22,653 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 77.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:05:22,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.16ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 56.1MB in the end (delta: -2.9MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-11-19 03:05:22,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.64ms. Allocated memory is still 77.6MB. Free memory was 56.1MB in the beginning and 54.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:05:22,655 INFO L158 Benchmark]: Boogie Preprocessor took 47.37ms. Allocated memory is still 77.6MB. Free memory was 54.0MB in the beginning and 51.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:05:22,656 INFO L158 Benchmark]: RCFGBuilder took 1211.84ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 51.7MB in the beginning and 59.8MB in the end (delta: -8.2MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-11-19 03:05:22,664 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 77.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.16ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 56.1MB in the end (delta: -2.9MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.64ms. Allocated memory is still 77.6MB. Free memory was 56.1MB in the beginning and 54.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.37ms. Allocated memory is still 77.6MB. Free memory was 54.0MB in the beginning and 51.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1211.84ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 51.7MB in the beginning and 59.8MB in the end (delta: -8.2MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:05:22,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a544f6eb-18dc-42c8-b0f5-96bbe6428354/bin/ukojak-verify-G8NBE6pJGL/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: Incomplete atomic composition (dangling start of atomic block: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block?