./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 670814d0a16da58b0f26835e20c05a244e2f373856f13b9d4ff2a931783edf81 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:18:08,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:18:08,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:18:08,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:18:08,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:18:09,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:18:09,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:18:09,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:18:09,009 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:18:09,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:18:09,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:18:09,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:18:09,012 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:18:09,012 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:18:09,013 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:18:09,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:18:09,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:18:09,014 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:18:09,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:18:09,015 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:18:09,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:18:09,017 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:18:09,018 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:18:09,018 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:18:09,019 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:18:09,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:18:09,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:09,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:18:09,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:18:09,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:18:09,023 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:18:09,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:18:09,024 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:18:09,024 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_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 670814d0a16da58b0f26835e20c05a244e2f373856f13b9d4ff2a931783edf81 [2023-11-19 03:18:09,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:18:09,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:18:09,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:18:09,304 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:18:09,304 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:18:09,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2023-11-19 03:18:12,380 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:18:12,633 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:18:12,634 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2023-11-19 03:18:12,645 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/data/dacabe297/335be18b9cf84780af41b10796d00bdf/FLAGc0be1aa09 [2023-11-19 03:18:12,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/data/dacabe297/335be18b9cf84780af41b10796d00bdf [2023-11-19 03:18:12,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:18:12,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:18:12,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:12,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:18:12,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:18:12,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:12" (1/1) ... [2023-11-19 03:18:12,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ec251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:12, skipping insertion in model container [2023-11-19 03:18:12,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:12" (1/1) ... [2023-11-19 03:18:12,726 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:18:12,962 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2862,2875] [2023-11-19 03:18:12,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:12,982 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:18:13,007 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2862,2875] [2023-11-19 03:18:13,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:13,022 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:18:13,022 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:18:13,031 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:18:13,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13 WrapperNode [2023-11-19 03:18:13,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:13,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:13,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:18:13,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:18:13,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,075 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 94 [2023-11-19 03:18:13,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:13,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:18:13,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:18:13,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:18:13,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:18:13,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:18:13,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:18:13,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:18:13,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:13,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:18:13,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:18:13,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:18:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:18:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:18:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:18:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 03:18:13,218 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 03:18:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:18:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:18:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:18:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:18:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:18:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:18:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:18:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:18:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:18:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:18:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 03:18:13,221 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 03:18:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:18:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:18:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:18:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:18:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:18:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:18:13,226 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:18:13,385 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:18:13,387 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:18:13,729 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:18:13,888 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:18:13,889 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:18:13,891 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:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:18:13,896 INFO L158 Benchmark]: Toolchain (without parser) took 1219.00ms. Allocated memory was 155.2MB in the beginning and 228.6MB in the end (delta: 73.4MB). Free memory was 108.5MB in the beginning and 187.1MB in the end (delta: -78.5MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2023-11-19 03:18:13,897 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 101.3MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:18:13,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.00ms. Allocated memory is still 155.2MB. Free memory was 108.1MB in the beginning and 95.8MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:18:13,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.71ms. Allocated memory is still 155.2MB. Free memory was 95.8MB in the beginning and 93.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:13,899 INFO L158 Benchmark]: Boogie Preprocessor took 39.67ms. Allocated memory is still 155.2MB. Free memory was 93.8MB in the beginning and 92.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:18:13,900 INFO L158 Benchmark]: RCFGBuilder took 777.61ms. Allocated memory was 155.2MB in the beginning and 228.6MB in the end (delta: 73.4MB). Free memory was 92.1MB in the beginning and 187.1MB in the end (delta: -94.9MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2023-11-19 03:18:13,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 101.3MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.00ms. Allocated memory is still 155.2MB. Free memory was 108.1MB in the beginning and 95.8MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.71ms. Allocated memory is still 155.2MB. Free memory was 95.8MB in the beginning and 93.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.67ms. Allocated memory is still 155.2MB. Free memory was 93.8MB in the beginning and 92.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 777.61ms. Allocated memory was 155.2MB in the beginning and 228.6MB in the end (delta: 73.4MB). Free memory was 92.1MB in the beginning and 187.1MB in the end (delta: -94.9MB). Peak memory consumption was 26.7MB. 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:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:18:13,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 670814d0a16da58b0f26835e20c05a244e2f373856f13b9d4ff2a931783edf81 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:18:16,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:18:16,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:18:16,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:18:16,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:18:16,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:18:16,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:18:16,947 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:18:16,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:18:16,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:18:16,954 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:18:16,955 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:18:16,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:18:16,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:18:16,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:18:16,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:18:16,959 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:18:16,959 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:18:16,960 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:18:16,961 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:18:16,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:18:16,962 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:18:16,963 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:18:16,963 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:18:16,963 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:18:16,964 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:18:16,964 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:18:16,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:18:16,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:16,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:18:16,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:18:16,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:18:16,968 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:18:16,973 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:18:16,973 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:18:16,974 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:18:16,974 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:18:16,974 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_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 670814d0a16da58b0f26835e20c05a244e2f373856f13b9d4ff2a931783edf81 [2023-11-19 03:18:17,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:18:17,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:18:17,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:18:17,535 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:18:17,536 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:18:17,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2023-11-19 03:18:20,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:18:21,033 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:18:21,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2023-11-19 03:18:21,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/data/0755bc366/74c976c6d2b14779aea47b4fcafa8f8d/FLAG954c67d10 [2023-11-19 03:18:21,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/data/0755bc366/74c976c6d2b14779aea47b4fcafa8f8d [2023-11-19 03:18:21,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:18:21,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:18:21,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:21,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:18:21,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:18:21,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:21" (1/1) ... [2023-11-19 03:18:21,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70aad941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:21, skipping insertion in model container [2023-11-19 03:18:21,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:21" (1/1) ... [2023-11-19 03:18:21,126 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:18:21,383 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2862,2875] [2023-11-19 03:18:21,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:21,425 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:18:21,440 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:18:21,466 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2862,2875] [2023-11-19 03:18:21,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:21,494 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:18:21,537 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c[2862,2875] [2023-11-19 03:18:21,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:21,553 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:18:21,553 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:18:21,561 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:18:21,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:21 WrapperNode [2023-11-19 03:18:21,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:21,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:21,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:18:21,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:18:21,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:21" (1/1) ... [2023-11-19 03:18:21,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:21" (1/1) ... [2023-11-19 03:18:21,629 INFO L138 Inliner]: procedures = 28, calls = 57, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 91 [2023-11-19 03:18:21,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:21,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:18:21,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:18:21,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:18:21,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:21" (1/1) ... [2023-11-19 03:18:21,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:21" (1/1) ... [2023-11-19 03:18:21,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:21" (1/1) ... [2023-11-19 03:18:21,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:21" (1/1) ... [2023-11-19 03:18:21,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:21" (1/1) ... [2023-11-19 03:18:21,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:21" (1/1) ... [2023-11-19 03:18:21,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:21" (1/1) ... [2023-11-19 03:18:21,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:21" (1/1) ... [2023-11-19 03:18:21,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:18:21,700 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:18:21,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:18:21,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:18:21,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:21" (1/1) ... [2023-11-19 03:18:21,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:21,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:18:21,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:18:21,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:18:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:18:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:18:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:18:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 03:18:21,822 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 03:18:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:18:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:18:21,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:18:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:18:21,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:18:21,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:18:21,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:18:21,826 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:18:21,826 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:18:21,826 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 03:18:21,826 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 03:18:21,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:18:21,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:18:21,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:18:21,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:18:21,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:18:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:18:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:18:21,829 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:18:22,047 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:18:22,051 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:18:22,624 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:18:22,940 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:18:22,940 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:18:22,943 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:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:18:22,952 INFO L158 Benchmark]: Toolchain (without parser) took 1875.08ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 70.5MB in the end (delta: -82.0kB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2023-11-19 03:18:22,953 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 69.2MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:18:22,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.35ms. Allocated memory is still 94.4MB. Free memory was 70.2MB in the beginning and 55.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:18:22,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.85ms. Allocated memory is still 94.4MB. Free memory was 55.4MB in the beginning and 53.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:22,956 INFO L158 Benchmark]: Boogie Preprocessor took 69.52ms. Allocated memory is still 94.4MB. Free memory was 53.6MB in the beginning and 51.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:22,958 INFO L158 Benchmark]: RCFGBuilder took 1249.95ms. Allocated memory is still 94.4MB. Free memory was 51.5MB in the beginning and 70.5MB in the end (delta: -19.0MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-11-19 03:18:22,963 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 45.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.35ms. Allocated memory is still 94.4MB. Free memory was 70.2MB in the beginning and 55.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.85ms. Allocated memory is still 94.4MB. Free memory was 55.4MB in the beginning and 53.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.52ms. Allocated memory is still 94.4MB. Free memory was 53.6MB in the beginning and 51.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1249.95ms. Allocated memory is still 94.4MB. Free memory was 51.5MB in the beginning and 70.5MB in the end (delta: -19.0MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: 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:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:18:23,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43eed1c9-9fd3-40d3-9a78-622de4433eb4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: 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?