./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3 --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 dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:01:54,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:01:54,303 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 04:01:54,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:01:54,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:01:54,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:01:54,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:01:54,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:01:54,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:01:54,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:01:54,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:01:54,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:01:54,338 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:01:54,338 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:01:54,338 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:01:54,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:01:54,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:01:54,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:01:54,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:01:54,339 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:01:54,339 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:01:54,339 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:01:54,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:01:54,339 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:01:54,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:01:54,340 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:01:54,340 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:01:54,340 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:01:54,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:01:54,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:01:54,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:01:54,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:01:54,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:01:54,341 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:01:54,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:01:54,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3 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 -> dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 [2024-11-25 04:01:54,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:01:54,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:01:54,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:01:54,662 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:01:54,663 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:01:54,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2024-11-25 04:01:57,703 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/data/8d2e1ab48/03d6a8e9789e4b768902e896fbe95358/FLAG9949454a6 [2024-11-25 04:01:58,041 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:01:58,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2024-11-25 04:01:58,080 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/data/8d2e1ab48/03d6a8e9789e4b768902e896fbe95358/FLAG9949454a6 [2024-11-25 04:01:58,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/data/8d2e1ab48/03d6a8e9789e4b768902e896fbe95358 [2024-11-25 04:01:58,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:01:58,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:01:58,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:01:58,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:01:58,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:01:58,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:01:58" (1/1) ... [2024-11-25 04:01:58,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52c47da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:58, skipping insertion in model container [2024-11-25 04:01:58,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:01:58" (1/1) ... [2024-11-25 04:01:58,318 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:01:58,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:01:58,530 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:01:58,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:01:58,579 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:01:58,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:58 WrapperNode [2024-11-25 04:01:58,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:01:58,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:01:58,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:01:58,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:01:58,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:58" (1/1) ... [2024-11-25 04:01:58,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:58" (1/1) ... [2024-11-25 04:01:58,616 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2024-11-25 04:01:58,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:01:58,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:01:58,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:01:58,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:01:58,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:58" (1/1) ... [2024-11-25 04:01:58,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:58" (1/1) ... [2024-11-25 04:01:58,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:58" (1/1) ... [2024-11-25 04:01:58,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:58" (1/1) ... [2024-11-25 04:01:58,638 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:58" (1/1) ... [2024-11-25 04:01:58,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:58" (1/1) ... [2024-11-25 04:01:58,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:58" (1/1) ... [2024-11-25 04:01:58,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:58" (1/1) ... [2024-11-25 04:01:58,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:58" (1/1) ... [2024-11-25 04:01:58,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:01:58,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:01:58,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:01:58,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:01:58,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:58" (1/1) ... [2024-11-25 04:01:58,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:01:58,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:01:58,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:01:58,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:01:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:01:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:01:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-25 04:01:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-25 04:01:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 04:01:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-25 04:01:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-25 04:01:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-25 04:01:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-25 04:01:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-25 04:01:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-25 04:01:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-25 04:01:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-25 04:01:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:01:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:01:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:01:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-11-25 04:01:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-11-25 04:01:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 04:01:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 04:01:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:01:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:01:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:01:58,724 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 04:01:58,849 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:01:58,852 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:01:59,328 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 04:01:59,329 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:01:59,621 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume 1 + #t~post2 >= -2147483648;assume 1 + #t~post2 <= 2147483647;~q1_back~0 := 1 + #t~post2;havoc #t~post2;#t~post3 := ~i~0;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~i~0 := 1 + #t~post3;havoc #t~post3;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:01:59,629 INFO L158 Benchmark]: Toolchain (without parser) took 1341.92ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 37.8MB in the end (delta: 56.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 04:01:59,631 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:01:59,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.70ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 81.1MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:01:59,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.29ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:01:59,671 INFO L158 Benchmark]: Boogie Preprocessor took 31.38ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:01:59,672 INFO L158 Benchmark]: RCFGBuilder took 977.37ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 37.8MB in the end (delta: 40.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:01:59,674 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.70ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 81.1MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.29ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.38ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 977.37ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 37.8MB in the end (delta: 40.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume 1 + #t~post2 >= -2147483648;assume 1 + #t~post2 <= 2147483647;~q1_back~0 := 1 + #t~post2;havoc #t~post2;#t~post3 := ~i~0;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~i~0 := 1 + #t~post3;havoc #t~post3;). 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 end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume 1 + #t~post2 >= -2147483648;assume 1 + #t~post2 <= 2147483647;~q1_back~0 := 1 + #t~post2;havoc #t~post2;#t~post3 := ~i~0;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~i~0 := 1 + #t~post3;havoc #t~post3;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:01:59,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3 --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 dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:02:02,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:02:02,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-25 04:02:02,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:02:02,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:02:02,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:02:02,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:02:02,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:02:02,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:02:02,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:02:02,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:02:02,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:02:02,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:02:02,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:02:02,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:02:02,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:02:02,364 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:02:02,364 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:02:02,364 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:02:02,364 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:02:02,364 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:02:02,365 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:02:02,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:02:02,365 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:02:02,365 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:02:02,365 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:02:02,365 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:02:02,365 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:02:02,366 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:02,366 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:02:02,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:02:02,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:02:02,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:02:02,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:02:02,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:02:02,367 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:02:02,367 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:02,367 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:02:02,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3 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 -> dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 [2024-11-25 04:02:02,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:02:02,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:02:02,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:02:02,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:02:02,693 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:02:02,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2024-11-25 04:02:05,553 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/data/73a0043d0/af2f6fadf96047d79c87bdb02020d915/FLAGf9b6ba677 [2024-11-25 04:02:05,816 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:02:05,817 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2024-11-25 04:02:05,827 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/data/73a0043d0/af2f6fadf96047d79c87bdb02020d915/FLAGf9b6ba677 [2024-11-25 04:02:06,140 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/data/73a0043d0/af2f6fadf96047d79c87bdb02020d915 [2024-11-25 04:02:06,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:02:06,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:02:06,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:02:06,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:02:06,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:02:06,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:02:06" (1/1) ... [2024-11-25 04:02:06,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e91c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:06, skipping insertion in model container [2024-11-25 04:02:06,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:02:06" (1/1) ... [2024-11-25 04:02:06,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:02:06,373 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:02:06,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:02:06,391 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:02:06,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:02:06,469 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:02:06,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:06 WrapperNode [2024-11-25 04:02:06,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:02:06,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:02:06,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:02:06,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:02:06,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:06" (1/1) ... [2024-11-25 04:02:06,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:06" (1/1) ... [2024-11-25 04:02:06,503 INFO L138 Inliner]: procedures = 28, calls = 57, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2024-11-25 04:02:06,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:02:06,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:02:06,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:02:06,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:02:06,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:06" (1/1) ... [2024-11-25 04:02:06,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:06" (1/1) ... [2024-11-25 04:02:06,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:06" (1/1) ... [2024-11-25 04:02:06,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:06" (1/1) ... [2024-11-25 04:02:06,529 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:06" (1/1) ... [2024-11-25 04:02:06,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:06" (1/1) ... [2024-11-25 04:02:06,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:06" (1/1) ... [2024-11-25 04:02:06,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:06" (1/1) ... [2024-11-25 04:02:06,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:06" (1/1) ... [2024-11-25 04:02:06,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:02:06,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:02:06,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:02:06,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:02:06,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:06" (1/1) ... [2024-11-25 04:02:06,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:02:06,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:02:06,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:02:06,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:02:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:02:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:02:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-25 04:02:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-25 04:02:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 04:02:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-25 04:02:06,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-25 04:02:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-25 04:02:06,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-25 04:02:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-25 04:02:06,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-25 04:02:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-25 04:02:06,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-25 04:02:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:02:06,623 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:02:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-11-25 04:02:06,624 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-11-25 04:02:06,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 04:02:06,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 04:02:06,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:02:06,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:02:06,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:02:06,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 04:02:06,627 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 04:02:06,793 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:02:06,796 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:02:07,420 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 04:02:07,421 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:02:07,659 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;#t~post3 := ~i~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~i~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:02:07,668 INFO L158 Benchmark]: Toolchain (without parser) took 1523.52ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 75.3MB in the end (delta: 17.9MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2024-11-25 04:02:07,672 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:02:07,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.23ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 78.5MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:02:07,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.37ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:02:07,676 INFO L158 Benchmark]: Boogie Preprocessor took 36.28ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:02:07,677 INFO L158 Benchmark]: RCFGBuilder took 1125.18ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 75.3MB in the end (delta: -85.0kB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-11-25 04:02:07,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.23ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 78.5MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.37ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.28ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1125.18ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 75.3MB in the end (delta: -85.0kB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;#t~post3 := ~i~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~i~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). 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 end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;#t~post3 := ~i~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~i~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:02:07,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1334a0d1-fcb6-4f2f-a744-082c6f0f6425/bin/ukojak-verify-ENZ3QT5qd3/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 end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;#t~post3 := ~i~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~i~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). Is there illegal control flow (e.g. loops) within an atomic block?