./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9 --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 632917bb2a5e88c193ba7761220e89039206b92cb89d98172ae8e9ad69d27ca8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:53:08,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:53:09,031 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:53:09,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:53:09,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:53:09,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:53:09,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:53:09,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:53:09,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:53:09,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:53:09,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:53:09,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:53:09,063 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:53:09,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:53:09,064 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:53:09,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:53:09,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:53:09,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:53:09,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:53:09,066 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:53:09,066 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:53:09,067 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:53:09,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:53:09,068 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:53:09,069 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:53:09,069 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:53:09,069 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:53:09,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:53:09,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:53:09,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:53:09,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:53:09,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:53:09,072 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:53:09,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:53:09,073 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:53:09,073 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_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 632917bb2a5e88c193ba7761220e89039206b92cb89d98172ae8e9ad69d27ca8 [2023-12-02 23:53:09,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:53:09,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:53:09,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:53:09,323 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:53:09,324 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:53:09,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-12-02 23:53:12,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:53:12,250 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:53:12,250 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-12-02 23:53:12,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/data/ab64d8c9c/5415e43794b84fa8b6047c67a754c30a/FLAG63b70cb7f [2023-12-02 23:53:12,273 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/data/ab64d8c9c/5415e43794b84fa8b6047c67a754c30a [2023-12-02 23:53:12,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:53:12,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:53:12,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:53:12,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:53:12,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:53:12,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:53:12" (1/1) ... [2023-12-02 23:53:12,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9bcff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:12, skipping insertion in model container [2023-12-02 23:53:12,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:53:12" (1/1) ... [2023-12-02 23:53:12,314 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:53:12,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:53:12,522 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:53:12,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:53:12,562 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:53:12,562 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:53:12,570 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:53:12,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:12 WrapperNode [2023-12-02 23:53:12,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:53:12,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:53:12,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:53:12,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:53:12,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:12" (1/1) ... [2023-12-02 23:53:12,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:12" (1/1) ... [2023-12-02 23:53:12,611 INFO L138 Inliner]: procedures = 26, calls = 58, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2023-12-02 23:53:12,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:53:12,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:53:12,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:53:12,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:53:12,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:12" (1/1) ... [2023-12-02 23:53:12,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:12" (1/1) ... [2023-12-02 23:53:12,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:12" (1/1) ... [2023-12-02 23:53:12,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:12" (1/1) ... [2023-12-02 23:53:12,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:12" (1/1) ... [2023-12-02 23:53:12,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:12" (1/1) ... [2023-12-02 23:53:12,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:12" (1/1) ... [2023-12-02 23:53:12,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:12" (1/1) ... [2023-12-02 23:53:12,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:53:12,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:53:12,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:53:12,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:53:12,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:12" (1/1) ... [2023-12-02 23:53:12,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:53:12,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:53:12,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:53:12,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:53:12,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:53:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:53:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:53:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-02 23:53:12,714 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-02 23:53:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:53:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 23:53:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 23:53:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 23:53:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 23:53:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 23:53:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 23:53:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:53:12,716 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:53:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:53:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-12-02 23:53:12,716 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-12-02 23:53:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:53:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:53:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:53:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:53:12,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:53:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:53:12,719 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:53:12,840 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:53:12,843 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:53:13,187 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:53:13,327 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: call #t~mem7 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~1, 4);call #t~mem8 := read~int(~B~0.base, ~B~0.offset + 4 * ~i~1, 4);). 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:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-12-02 23:53:13,331 INFO L158 Benchmark]: Toolchain (without parser) took 1052.44ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 106.6MB in the beginning and 142.0MB in the end (delta: -35.4MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-12-02 23:53:13,331 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:53:13,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.15ms. Allocated memory is still 153.1MB. Free memory was 106.6MB in the beginning and 94.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:53:13,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.20ms. Allocated memory is still 153.1MB. Free memory was 94.0MB in the beginning and 92.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:53:13,333 INFO L158 Benchmark]: Boogie Preprocessor took 36.99ms. Allocated memory is still 153.1MB. Free memory was 92.3MB in the beginning and 90.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:53:13,334 INFO L158 Benchmark]: RCFGBuilder took 678.84ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 90.5MB in the beginning and 142.0MB in the end (delta: -51.5MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-12-02 23:53:13,337 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.15ms. Allocated memory is still 153.1MB. Free memory was 106.6MB in the beginning and 94.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.20ms. Allocated memory is still 153.1MB. Free memory was 94.0MB in the beginning and 92.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.99ms. Allocated memory is still 153.1MB. Free memory was 92.3MB in the beginning and 90.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 678.84ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 90.5MB in the beginning and 142.0MB in the end (delta: -51.5MB). Peak memory consumption was 17.4MB. 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: call #t~mem7 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~1, 4);call #t~mem8 := read~int(~B~0.base, ~B~0.offset + 4 * ~i~1, 4);). 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: call #t~mem7 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~1, 4);call #t~mem8 := read~int(~B~0.base, ~B~0.offset + 4 * ~i~1, 4);). 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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:53:13,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9 --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 632917bb2a5e88c193ba7761220e89039206b92cb89d98172ae8e9ad69d27ca8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:53:15,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:53:15,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 23:53:15,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:53:15,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:53:15,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:53:15,358 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:53:15,358 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:53:15,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:53:15,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:53:15,360 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:53:15,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:53:15,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:53:15,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:53:15,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:53:15,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:53:15,363 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:53:15,364 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:53:15,364 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:53:15,365 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:53:15,365 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:53:15,366 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:53:15,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:53:15,367 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:53:15,367 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:53:15,367 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:53:15,368 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:53:15,368 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:15,369 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:53:15,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:53:15,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:53:15,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:53:15,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:53:15,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:53:15,371 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:53:15,372 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:53:15,372 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:53:15,372 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:53:15,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:53:15,373 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_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 632917bb2a5e88c193ba7761220e89039206b92cb89d98172ae8e9ad69d27ca8 [2023-12-02 23:53:15,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:53:15,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:53:15,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:53:15,696 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:53:15,696 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:53:15,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-12-02 23:53:18,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:53:18,648 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:53:18,648 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-12-02 23:53:18,655 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/data/f2485ecb2/f8a0c967227349cdb52d8f06c94a333c/FLAG310e74b4d [2023-12-02 23:53:18,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/data/f2485ecb2/f8a0c967227349cdb52d8f06c94a333c [2023-12-02 23:53:18,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:53:18,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:53:18,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:53:18,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:53:18,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:53:18,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:53:18" (1/1) ... [2023-12-02 23:53:18,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db04f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:18, skipping insertion in model container [2023-12-02 23:53:18,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:53:18" (1/1) ... [2023-12-02 23:53:18,701 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:53:18,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:53:18,887 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:53:18,892 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:53:18,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:53:18,924 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:53:18,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:53:18,966 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:53:18,967 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:53:18,972 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:53:18,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:18 WrapperNode [2023-12-02 23:53:18,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:53:18,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:53:18,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:53:18,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:53:18,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:18" (1/1) ... [2023-12-02 23:53:18,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:18" (1/1) ... [2023-12-02 23:53:19,013 INFO L138 Inliner]: procedures = 28, calls = 58, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2023-12-02 23:53:19,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:53:19,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:53:19,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:53:19,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:53:19,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:18" (1/1) ... [2023-12-02 23:53:19,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:18" (1/1) ... [2023-12-02 23:53:19,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:18" (1/1) ... [2023-12-02 23:53:19,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:18" (1/1) ... [2023-12-02 23:53:19,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:18" (1/1) ... [2023-12-02 23:53:19,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:18" (1/1) ... [2023-12-02 23:53:19,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:18" (1/1) ... [2023-12-02 23:53:19,052 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:18" (1/1) ... [2023-12-02 23:53:19,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:53:19,058 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:53:19,058 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:53:19,058 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:53:19,059 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:18" (1/1) ... [2023-12-02 23:53:19,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:53:19,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:53:19,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:53:19,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:53:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:53:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:53:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:53:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-02 23:53:19,123 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-02 23:53:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:53:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 23:53:19,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 23:53:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 23:53:19,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 23:53:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 23:53:19,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 23:53:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:53:19,125 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:53:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-12-02 23:53:19,125 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-12-02 23:53:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:53:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:53:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:53:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:53:19,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:53:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:53:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:53:19,128 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:53:19,272 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:53:19,275 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:53:19,731 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:53:19,869 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: call #t~mem7 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~1)), 4bv32);call #t~mem8 := read~intINTTYPE4(~B~0.base, ~bvadd~32(~B~0.offset, ~bvmul~32(4bv32, ~i~1)), 4bv32);). 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:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-12-02 23:53:19,874 INFO L158 Benchmark]: Toolchain (without parser) took 1202.31ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 34.4MB in the end (delta: 40.6MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-12-02 23:53:19,874 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:53:19,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.72ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 59.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:53:19,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.42ms. Allocated memory is still 98.6MB. Free memory was 59.5MB in the beginning and 57.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:53:19,876 INFO L158 Benchmark]: Boogie Preprocessor took 41.92ms. Allocated memory is still 98.6MB. Free memory was 57.9MB in the beginning and 55.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:53:19,877 INFO L158 Benchmark]: RCFGBuilder took 814.28ms. Allocated memory is still 98.6MB. Free memory was 55.6MB in the beginning and 34.4MB in the end (delta: 21.1MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-12-02 23:53:19,879 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.72ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 59.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.42ms. Allocated memory is still 98.6MB. Free memory was 59.5MB in the beginning and 57.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.92ms. Allocated memory is still 98.6MB. Free memory was 57.9MB in the beginning and 55.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 814.28ms. Allocated memory is still 98.6MB. Free memory was 55.6MB in the beginning and 34.4MB in the end (delta: 21.1MB). Peak memory consumption was 21.1MB. 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: call #t~mem7 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~1)), 4bv32);call #t~mem8 := read~intINTTYPE4(~B~0.base, ~bvadd~32(~B~0.offset, ~bvmul~32(4bv32, ~i~1)), 4bv32);). 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: call #t~mem7 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~1)), 4bv32);call #t~mem8 := read~intINTTYPE4(~B~0.base, ~bvadd~32(~B~0.offset, ~bvmul~32(4bv32, ~i~1)), 4bv32);). 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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:53:19,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6180872-3bae-49d5-9aeb-542c9664b85a/bin/ukojak-verify-Qdu7aM0XO9/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: call #t~mem7 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~1)), 4bv32);call #t~mem8 := read~intINTTYPE4(~B~0.base, ~bvadd~32(~B~0.offset, ~bvmul~32(4bv32, ~i~1)), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?