./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 527bcce2 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_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/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_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2 --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 0.2.3-dev-527bcce [2023-11-21 18:32:12,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:32:12,883 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:32:12,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:32:12,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:32:12,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:32:12,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:32:12,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:32:12,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:32:12,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:32:12,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:32:12,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:32:12,939 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:32:12,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:32:12,941 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:32:12,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:32:12,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:32:12,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:32:12,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:32:12,943 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:32:12,944 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:32:12,945 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:32:12,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:32:12,947 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:32:12,948 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:32:12,948 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:32:12,948 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:32:12,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:32:12,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:12,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:32:12,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:32:12,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:32:12,952 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:32:12,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:32:12,952 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:32:12,952 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_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 632917bb2a5e88c193ba7761220e89039206b92cb89d98172ae8e9ad69d27ca8 [2023-11-21 18:32:13,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:32:13,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:32:13,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:32:13,290 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:32:13,291 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:32:13,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-11-21 18:32:16,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:32:16,639 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:32:16,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-11-21 18:32:16,648 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/data/2e94f5747/7e8350e2331d444a81a94e840c0e3d29/FLAGffb06b054 [2023-11-21 18:32:16,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/data/2e94f5747/7e8350e2331d444a81a94e840c0e3d29 [2023-11-21 18:32:16,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:32:16,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:32:16,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:16,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:32:16,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:32:16,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:16,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd039ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16, skipping insertion in model container [2023-11-21 18:32:16,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:16,723 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:32:16,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:16,921 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:32:16,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:16,967 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:32:16,967 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:32:16,975 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:32:16,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16 WrapperNode [2023-11-21 18:32:16,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:16,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:16,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:32:16,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:32:16,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:16,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:17,023 INFO L138 Inliner]: procedures = 26, calls = 58, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2023-11-21 18:32:17,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:17,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:32:17,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:32:17,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:32:17,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:17,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:17,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:17,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:17,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:17,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:17,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:17,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:17,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:32:17,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:32:17,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:32:17,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:32:17,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:16" (1/1) ... [2023-11-21 18:32:17,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:17,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:32:17,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:32:17,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:32:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:32:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:32:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:32:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-21 18:32:17,145 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-21 18:32:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:32:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:32:17,145 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:32:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:32:17,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:32:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:32:17,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:32:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:32:17,146 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:32:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:32:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-21 18:32:17,147 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-21 18:32:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:32:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:32:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:32:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:32:17,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:32:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:32:17,150 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:32:17,268 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:32:17,270 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:32:17,710 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:32:17,906 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:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:32:17,911 INFO L158 Benchmark]: Toolchain (without parser) took 1234.80ms. Allocated memory is still 146.8MB. Free memory was 100.9MB in the beginning and 89.4MB in the end (delta: 11.6MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-11-21 18:32:17,911 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:32:17,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.97ms. Allocated memory is still 146.8MB. Free memory was 100.9MB in the beginning and 88.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:32:17,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.26ms. Allocated memory is still 146.8MB. Free memory was 88.3MB in the beginning and 86.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:32:17,913 INFO L158 Benchmark]: Boogie Preprocessor took 46.92ms. Allocated memory is still 146.8MB. Free memory was 86.6MB in the beginning and 84.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:32:17,914 INFO L158 Benchmark]: RCFGBuilder took 836.70ms. Allocated memory is still 146.8MB. Free memory was 84.8MB in the beginning and 89.4MB in the end (delta: -4.5MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-21 18:32:17,917 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.97ms. Allocated memory is still 146.8MB. Free memory was 100.9MB in the beginning and 88.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.26ms. Allocated memory is still 146.8MB. Free memory was 88.3MB in the beginning and 86.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.92ms. Allocated memory is still 146.8MB. Free memory was 86.6MB in the beginning and 84.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 836.70ms. Allocated memory is still 146.8MB. Free memory was 84.8MB in the beginning and 89.4MB in the end (delta: -4.5MB). Peak memory consumption was 15.9MB. 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:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:32:17,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/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_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/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_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2 --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 0.2.3-dev-527bcce [2023-11-21 18:32:20,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:32:20,745 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:32:20,798 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:32:20,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:32:20,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:32:20,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:32:20,801 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:32:20,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:32:20,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:32:20,808 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:32:20,808 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:32:20,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:32:20,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:32:20,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:32:20,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:32:20,812 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:32:20,812 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:32:20,813 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:32:20,814 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:32:20,814 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:32:20,815 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:32:20,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:32:20,816 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:32:20,816 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:32:20,816 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:32:20,817 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:32:20,817 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:32:20,818 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:32:20,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:32:20,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:20,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:32:20,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:32:20,821 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:32:20,821 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:32:20,821 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:32:20,821 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:32:20,822 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:32:20,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:32:20,823 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_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 632917bb2a5e88c193ba7761220e89039206b92cb89d98172ae8e9ad69d27ca8 [2023-11-21 18:32:21,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:32:21,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:32:21,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:32:21,327 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:32:21,329 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:32:21,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-11-21 18:32:24,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:32:24,680 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:32:24,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-11-21 18:32:24,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/data/4acde7af6/2465b3db614f42c2874fadaa11f17713/FLAGc325680c7 [2023-11-21 18:32:24,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/data/4acde7af6/2465b3db614f42c2874fadaa11f17713 [2023-11-21 18:32:24,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:32:24,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:32:24,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:24,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:32:24,734 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:32:24,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:24" (1/1) ... [2023-11-21 18:32:24,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72741dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:24, skipping insertion in model container [2023-11-21 18:32:24,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:24" (1/1) ... [2023-11-21 18:32:24,771 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:32:25,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:25,090 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 18:32:25,107 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:32:25,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:25,171 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:32:25,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:25,243 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:32:25,244 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:32:25,252 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:32:25,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:25 WrapperNode [2023-11-21 18:32:25,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:25,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:25,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:32:25,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:32:25,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:25" (1/1) ... [2023-11-21 18:32:25,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:25" (1/1) ... [2023-11-21 18:32:25,311 INFO L138 Inliner]: procedures = 28, calls = 58, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2023-11-21 18:32:25,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:25,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:32:25,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:32:25,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:32:25,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:25" (1/1) ... [2023-11-21 18:32:25,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:25" (1/1) ... [2023-11-21 18:32:25,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:25" (1/1) ... [2023-11-21 18:32:25,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:25" (1/1) ... [2023-11-21 18:32:25,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:25" (1/1) ... [2023-11-21 18:32:25,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:25" (1/1) ... [2023-11-21 18:32:25,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:25" (1/1) ... [2023-11-21 18:32:25,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:25" (1/1) ... [2023-11-21 18:32:25,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:32:25,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:32:25,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:32:25,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:32:25,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:25" (1/1) ... [2023-11-21 18:32:25,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:25,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:32:25,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:32:25,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:32:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:32:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:32:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:32:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-21 18:32:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-21 18:32:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:32:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:32:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:32:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:32:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:32:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:32:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:32:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:32:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:32:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-21 18:32:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-21 18:32:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:32:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:32:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:32:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:32:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:32:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:32:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:32:25,481 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:32:25,612 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:32:25,615 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:32:26,355 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:32:26,618 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:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:32:26,625 INFO L158 Benchmark]: Toolchain (without parser) took 1899.64ms. Allocated memory is still 90.2MB. Free memory was 66.6MB in the beginning and 65.3MB in the end (delta: 1.3MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2023-11-21 18:32:26,625 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 69.2MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:32:26,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.96ms. Allocated memory is still 90.2MB. Free memory was 66.4MB in the beginning and 51.5MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:32:26,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.96ms. Allocated memory is still 90.2MB. Free memory was 51.5MB in the beginning and 49.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:32:26,630 INFO L158 Benchmark]: Boogie Preprocessor took 71.69ms. Allocated memory is still 90.2MB. Free memory was 49.6MB in the beginning and 47.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:32:26,631 INFO L158 Benchmark]: RCFGBuilder took 1236.96ms. Allocated memory is still 90.2MB. Free memory was 47.3MB in the beginning and 65.3MB in the end (delta: -18.0MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-11-21 18:32:26,635 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 69.2MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.96ms. Allocated memory is still 90.2MB. Free memory was 66.4MB in the beginning and 51.5MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.96ms. Allocated memory is still 90.2MB. Free memory was 51.5MB in the beginning and 49.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.69ms. Allocated memory is still 90.2MB. Free memory was 49.6MB in the beginning and 47.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1236.96ms. Allocated memory is still 90.2MB. Free memory was 47.3MB in the beginning and 65.3MB in the end (delta: -18.0MB). Peak memory consumption was 23.5MB. 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:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:32:26,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0eebe1c-32fd-4e15-b2fd-be3bd539d035/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: 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?